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Articoli di riviste sul tema "Melaleuca quinquenervia"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 21 febbraio 2023

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1

Laroche, François B. "Managing Melaleuca (Melaleuca quinquenervia) in the Everglades". Weed Technology 12, n. 4 (dicembre 1998): 726–32. http://dx.doi.org/10.1017/s0890037x00044626.

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Until recently melaleuca was spreading at a rate faster than it was being controlled throughout the boundaries of the South Florida Water Management District (District). Although melaleuca is a difficult species to eradicate, apparently District efforts, along with those of other governmental agencies and private groups, are containing its spread within the Everglades Water Conservation Areas (WCAs) and the marsh of Lake Okeechobee. Melaleuca has been completely cleared from WCA-2A, -3B, and -3A, south of Alligator Alley. These areas are now under “maintenance control.” Maintenance control means applying management techniques in a continuous basis to keep an invasive plant population at its lowest feasible level. Today, the melaleuca infestation is no longer increasing; in many areas, it is being reduced. Preliminary results from the latest District survey indicate melaleuca infestation has decreased considerably in South Florida, especially in public lands. The intent of this paper is to provide an assessment of progress made by the District's melaleuca control program over the past 7 yr.

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2

El-Toumy, S. A. A., M. S. Marzouk, F. A. Moharram e E. A. Aboutabl. "ChemInform Abstract: Flavonoids of Melaleuca quinquenervia." ChemInform 32, n. 17 (24 aprile 2001): no. http://dx.doi.org/10.1002/chin.200117207.

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3

Rayachhetry, Min B., e M. L. Elliott. "Evaluation of Fungus-Chemical Compatibility for Melaleuca (Melaleuca quinquenervia) Control". Weed Technology 11, n. 1 (marzo 1997): 64–69. http://dx.doi.org/10.1017/s0890037x0004135x.

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Integration of a fungal pathogen with herbicides may enhance melaleuca control efforts in South Florida. Hyphal inoculum of fourBotryosphaeria ribisGross & Duggar isolates were evaluated in vitro for compatibility with imazapyr, glyphosate, and a surfactant. Imazapyr at 12 to 60 mg ai/ml did not cause significant loss of inoculum viability in all four isolates within 2 h after mixing. After 24 h, inoculum viability of isolate BR-4 remained unchanged at these imazapyr concentrations, but viability of BR-1 through BR-3 was reduced. Glyphosate at the lowest concentration (32 mg ai/ml) significantly reduced inoculum viability of all isolates within 2 h. Initially, the inoculum viability of all isolates remained unaffected by 1, 5, and 10% (v/v) surfactant concentrations. After 24 h, the surfactant reduced inoculum viability of BR-2, BR-3, and BR-4 inconsistently between experiments, while the inoculum viability of BR-1 was reduced significantly at all concentrations. Mixing of the lowest concentrations of imazapyr, glyphosate, and surfactant significantly reduced inoculum viability within 2 h. This corresponded to the results obtained for glyphosate alone. These results show that hyphal inoculum ofB. ribismay be mixed with imazapyr and surfactant for field applications, but mixing the fungus with glyphosate may not be as efficacious.

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4

Johnston, S. G., P. G. Slavich e P. Hirst. "Alteration of groundwater and sediment geochemistry in a sulfidic backswamp due to Melaleuca quinquenervia encroachment". Soil Research 41, n. 7 (2003): 1343. http://dx.doi.org/10.1071/sr03027.

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Extensive encroachment of the native tree species Melaleuca quinquenervia (Cav.) Blake has occurred on a coastal floodplain sulfidic backswamp in eastern Australia. Almost 50% of the open swamp area c. 1870 is now monospecific M. quinquenervia forest. Encroachment has been associated with shortened hydroperiods and land management changes following drainage for agriculture. Large differences to shallow groundwater and sediment geochemistry were observed beneath both individual M. quinquenervia trees and encroaching forests compared to open swamp. Groundwater beneath M. quinquenervia had enhanced titratable acidity and acidic metal cations, increased concentrations of other ionic species (Cl–, SO42–), altered ionic ratios, and increased dissolved organic carbon. Soil beneath M. quinquenervia displayed enhanced accumulation of acidity and soluble ions, with concentration profiles suggesting vertical redistribution towards the surface. Deepening of the sulfide oxidation front in the soil beneath encroached M. quinquenervia suggests that enhanced sulfide oxidation may be occurring. Changes in soil pH, redox potential, and Fe mineral precipitation/dissolution were also evident. These changes appear to be the result of interactions between M. quinquenervia physiology and the unique groundwater and sediment geochemistry of the surrounding sulfidic/sulfuric horizons. Mechanisms to explain the observed changes are discussed along with potential management implications.

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5

Lockhart, Christine S. "Aquatic heterophylly as a survival strategy in Melaleuca quinquenervia (Myrtaceae)". Canadian Journal of Botany 74, n. 2 (1 febbraio 1996): 243–46. http://dx.doi.org/10.1139/b96-029.

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The broad-leaf paper bark or melaleuca tree (Melaleuca quinquenervia (Cav.) Blake) is an emergent, semiaquatic tree whose morphological plasticity allows it to invade wetland and terrestrial habitats. While studying the effect of hydroperiod on melaleuca seedlings, two types of aquatic leaf forms were observed under submersed conditions. Linear leaves developed at least 9.5 cm below the water surface and were associated with short internodes. Short, broad, incurved transitional leaves formed as the seedlings approached the water surface. Aerial leaves were flat and spatulate to oblanceolate. Leaf length to width ratios, stomatal density, and shoot internode lengths were significantly different between the three leaf forms. Characteristics of submersed melaleuca seedlings are similar to those of other aquatic heterophyllic plants that grow in areas where water levels fluctuate. An increased understanding of morphological variations of this invasive tree may lead to additional control methods and mechanisms. Keywords: Melaleuca, aquatic, heterophylly.

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6

Grover, DR, e PJ Slater. "Conservation Value to Birds of Remnants of Melaleuca Forest in Suburban Brisbane." Wildlife Research 21, n. 4 (1994): 433. http://dx.doi.org/10.1071/wr9940433.

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The bird species composition of nine remnants of Melaleuca quinquenervia forest in NE Brisbane, Queensland, was censused from March 1992 to March 1993 to investigate the effect of forest fragmentation and fragment characteristics. Remnant area was a correlated with the total number of bird species and the number of raptors occurring, while understorey vegetation density was related to the number of forest and understorey bird species. The species composition of the M. quinquenervia remnants was compared with that of the Cooloola National Park and with that of eucalypt [Eucalyptus] remnants in lowland SE Queensland. Even the small M. quinquenervia remnants around Brisbane play an important role in conserving the avian fauna of the region by providing habitat and refuges for migrant, nesting, locally rate and uncommon species, and species not commonly found in other forest types. Future recommended management involves the maintenance of size, habitat diversity and understorey vegetation density, the prevention of disturbance and the preservation of swampy areas and ponds.

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7

Rojas-Rodríguez, Freddy, e Gustavo Torres-Córdoba. "Árboles del Valle Central de Costa Rica: reproducción Corcho (Melaleuca quinquenervia (Cav.) S.T. Blake.)". Revista Forestal Mesoamericana Kurú 12, n. 29 (22 giugno 2015): 80. http://dx.doi.org/10.18845/rfmk.v12i29.2259.

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Se presenta una breve descripción del árbol corcho (Melaleuca quinquenervia (Cav.) S.T. Blake.), incluyendo información sobre fenología como base para la recolección de frutos, el manejo de las semillas, la viverización y el proceso de germinación. (Cav.) S.T. Blake.

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8

Center, Ted D., Matthew F. Purcell, Paul D. Pratt, Min B. Rayamajhi, Philip W. Tipping, Susan A. Wright e F. Allen Dray. "Biological control of Melaleuca quinquenervia: an Everglades invader". BioControl 57, n. 2 (29 luglio 2011): 151–65. http://dx.doi.org/10.1007/s10526-011-9390-6.

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9

Bolton, Keith G. E., e Margaret Greenway. "Nutrient Sinks in a Constructed Melaleuca Wetland Receiving Secondary Treated Effluent". Water Science and Technology 40, n. 3 (1 agosto 1999): 341–47. http://dx.doi.org/10.2166/wst.1999.0180.

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This study examined N, P and K partitioning in the sinks of a 130 m2 constructed Melaleuca wetland after receiving secondary treated sewage effluent for 21 months. The sinks examined were: 1) biomass, which was further partitioned into the harvestable above ground portion and the roots; 2) sediment; 3) gravel and; 4) the clay base. Gravel was the major nutrient storage sink, however this was a function of the high gravel particle mass (525 kg m−2) rather than high nutrient concentrations. M. alternifolia trees had the highest biomass due to high growth rates, higher planting densities, and low litterfall. M. quinquenervia trees were severely attacked by a sap sucking Heteropteron (Eucerocoris. suspectus) which stunted growth, but resulted in a cumulative litterfall mass three times that of the M. alternifolia trees. The sediment sink was strongly influenced by litterfall, with the sediment sink in the M. quinquenervia terraces storing more than twice the nutrients in the sediment sink of the M. alternifolia terraces. Because of their higher grwoth rates and above ground biomass fraction, and their potential to produce tea tree oil, M. alternifolia is most suitable for constructed wetlands incorporating a harvesting regime. Because of their high rate of transfer from the biomass to sediment sink via litterfall, M. quinquenervia is more suited to non-harvested constructed wetlands.

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10

Martins, C. C., M. R. R. Pereira e S. R. Marchi. "Germinação de sementes de Melaleuca quinquenervia em condições de estresse hídrico e salino". Planta Daninha 29, n. 1 (marzo 2011): 1–6. http://dx.doi.org/10.1590/s0100-83582011000100001.

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O comportamento invasivo de Melaleuca quinquenervia em áreas úmidas deve-se à sua estratégia de regeneração agressiva, que está alicerçada na produção de sementes em massa. O conhecimento da fisiologia da germinação de sementes de plantas daninhas pode contribuir significativamente para o desenvolvimento de estratégias de manejo. O objetivo deste trabalho foi avaliar os possíveis efeitos dos estresses hídrico e salino na germinação de sementes de M. quinquenervia. A semeadura foi realizada com quatro repetições de 0,05 g de sementes em papel umedecido com soluções nos potenciais osmóticos de 0,0; -0,2; -0,4; e -0,8 MPa, induzidos com polietilenoglicol (PEG 6000) e NaCl. O teste de germinação foi conduzido a 25 ºC na presença de luz. Avaliou-se a primeira contagem do teste aos sete dias após a semeadura e, semanalmente, a germinação (plântulas normais) até os 28 dias. Foi calculado o índice de velocidade de germinação. A análise dos resultados permitiu a conclusão de que o estresse hídrico acarreta maior redução na velocidade de germinação e na germinação acumulada de sementes de M. quinquenervia do que o estresse salino e, independentemente da substância utilizada para indução do estresse, o limite para germinação está entre -0,4 e -0,8MPa.

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11

Yala, Jean-Fabrice, Rolande Mabika Mabika, Brahima Camara, Seydou Tuo, Alain Souza, Alexis Nicaise Lepengue, Daouda Koné e Bertrand M’batchi. "Assessment of the antibacterial activity of four essential oils and the biobactericide Neco." International Journal of Phytomedicine 9, n. 3 (2 settembre 2017): 443. http://dx.doi.org/10.5138/09750185.2106.

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<p>The purpose of this study was to assess <em>in vitro</em> the activity of four essential oils (<em>Cymbopogon citratus, Eucalyptus citriodora, Lippia multiflora, Melaleuca quinquenervia</em>) and the biobactericide Neco® on Gram-positive bacteria.</p><p><strong>T</strong>he aromatogram and antibiogram were assessed by the agar well diffusion method and the Muller Hinton disk-agar diffusion method, respectively. Also, the minimum inhibitory concentration and the minimum bactericidal concentration were determined by the microdilution method in liquid medium.</p><p>The aromatogram showed that the biobactericide Neco® induced the largest inhibition diameters (34.53 ± 11.82 - 43.92 ± 5.38 mm) of all strains combined, followed by the essential oils of <em>Eucalyptus Citriodora</em> (30.01 ± 3.02 - 41.89 ± 1.77 mm) and <em>Lippia multiflora</em> (20.72 ± 4.72 - 37.61 ± 2.80 mm). However, the essential oils of <em>Melaleuca quinquenervia</em> (19.99 ± 3.93 - 26.20 ± 13.27 mm) and <em>Cymbopogon citratus</em> (13.52 ± 3.59 - 29.08 ± 2.35 mm) had the smallest inhibition diameters. Moreover, the comparison of the activities of the aromatogram and antibiogram revealed generally that activities were higher with essential oils than with antibiotics.</p><p>At the end of this study, the essential oils of <em>Cymbopogon citratus</em>, <em>Eucalyptus citriodora, Lippia multiflora, Melaleuca quinquenervia</em> and the biobactericide Neco® had an antibacterial activity on Gram+ bacteria.</p><p><strong><br /></strong></p>

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12

Stocker, RandallK. "Mechanical harvesting of Melaleuca quinquenervia in Lake Okeechobee, Florida". Ecological Engineering 12, n. 3-4 (febbraio 1999): 373–86. http://dx.doi.org/10.1016/s0925-8574(98)00115-3.

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13

Tipping, Philip W., Melissa R. Martin, Min B. Rayamajhi, Paul D. Pratt e Lyn A. Gettys. "Combining biological and mechanical tactics to suppress Melaleuca quinquenervia". Biological Control 121 (giugno 2018): 229–33. http://dx.doi.org/10.1016/j.biocontrol.2018.03.009.

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14

Rayamajhi, M. B., P. D. Pratt, T. D. Center e G. S. Wheeler. "Differential Response by Melaleuca quinquenervia Trees to Attack by the Rust Fungus Puccinia psidii in Florida". Plant Disease 94, n. 9 (settembre 2010): 1165. http://dx.doi.org/10.1094/pdis-94-9-1165b.

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Melaleuca quinquenervia (melaleuca) is an exotic invasive tree in Florida, Hawaii, and some Caribbean islands (1,2). Puccinia psidii (rust fungus) attacks melaleuca as well as other plants in a few genera of the Myrtaceae and Heteropyxidaceae, both members of the Myrtales (1,2). Disease occurs on succulent stems and foliage of melaleuca, causing twig dieback and defoliation (3). Melaleuca trees growing under similar field conditions exhibit susceptible or resistant reactions toward this fungus. To document this differential susceptibility of melaleuca to P. psidii, we visually evaluated 331 field-grown melaleuca trees from southeast Florida for occurrence of disease attributes: pustules (susceptible), nonpersistent halos (resistant), or asymptomatic (no macroscopic symptoms) conditions on leaves and succulent twigs during February and March when symptoms were at their peak. Percentages of trees manifesting susceptible, resistant, and asymptomatic responses to this fungus were 85.8, 13.0, and 1.2%, respectively. A screenhouse study was conducted to corroborate these observations by raising plants from composite seed sources and maintaining them in seven 3.8-liter plastic pots that were filled with commercial potting media. Nine to eleven plants per pot (with new foliage) were individually tagged, grown to 30 to 45 cm high, and spray inoculated (during February and March) with uredospores (~2 × 106/ml) obtained from melaleuca trees and suspended in water. Inoculated plants were placed on a screenhouse bench under infected trees and subjected to additional inoculum, thereby simulating field conditions. Evaluations made weekly during a 4-week period revealed that susceptible, resistant, and asymptomatic seedlings constituted 63.3, 33.6, and 3.2%, respectively, of the tagged plants. To assess the stability of these fungal and host attributes over time and space, we multiplied two P. psidii susceptible and two resistant plants from cuttings. We spray inoculated 6 to 13 rooted cuttings from each plant types with uredospores (0.8 to 2 × 106/ml) obtained from diseased melaleuca trees and suspended in water. These plants were incubated in a dew chamber for 72 to 96 h under 100% relative humidity at 19 to 23°C maintained with a 12-h fluorescent light cycle. After incubation, plants were placed randomly on a bench in a screenhouse (21 to 23°C) and evaluated weekly for symptom development during a 4-week experimental period. Noninoculated controls were maintained as well. The experiment was repeated twice. Foliage of the resistant plants developed a few incipient halos whereas 100% of the susceptible plants developed erupted uredinia and were defoliated in both replications. No detectable change in P. psidii virulence and melaleuca susceptibility patterns was observed. Despite wide host range within Myrtales, resistance to P. psidii exists within M. quinquenervia. Other P. psidii susceptible host systems of economic and environmental importance may have host/pathogen relationships similar to that of melaleuca and the selection of resistant individuals from their affected populations may be possible. Additional studies will be needed to ascertain the attributes of virulence or resistance in this rust fungus-melaleuca association. References: (1) M. Glen et al. Australas. Plant Pathol. 36:1, 2007. (2) P. D. Pratt et al. J. Aquat. Plant Manag. 45:8, 2007. (3) M. B. Rayachhetry et al. Biol. Control 22:38, 2001.

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15

Cilingir-Kaya, Ozlem T., e E. Bihter Gurler. "Therapeutic potential of essential oil of Melaleuca quinquenervia (Myrtaceae) in a rat model of ethanol-induced peptic ulcer". Tropical Journal of Pharmaceutical Research 20, n. 5 (26 gennaio 2022): 981–86. http://dx.doi.org/10.4314/tjpr.v20i5.14.

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Purpose: To evaluate the effects of M. quinquenervia extract on ethanol-induced peptic ulcer in rats. Methods: The following three groups of (n = 6) Sprague Dawley rats were included in this study: vehicle (C), ethanol-administered (E) and ethanol + M. quinquenervia-treated (MQ). MQ group rats received 100 μg/mL M. quinquenervia essential oil just before 96 % ethanol induction (1 ml/kg). One hour after ulcer induction, the animals were euthanized, and gastric and duodenal tissues were removed. Tissue samples were analysed for myeloperoxidase (MPO) activity, malondialdehyde (MDA), glutathione (GSH), myeloperoxidase (MPO) activity, malondialdehyde (MDA) and glutathione (GSH) levels, and histopathological examinations were performed by light microscopy. Results: Gastric and duodenal GSH levels that decreased in the ethanol-administered ulcer groups (p < 0.001), rose following MQ treatment (p < 0.5). Moreover, elevated MPO and MDA levels (p < 0.5) in gastric tissues decreased after MQ-treatment. Similarly, the MQ-treated group showed recovery and control-like morphology compared to the ethanol group in both gastric and duodenal tissues when examined by microscopy. Conclusion: The results indicate that M. quinquenervia extract has a positive impact on gastric injury in rats due to its antioxidant activity. Thus, the plant has a potential for the clinical management of gastric ulcer.

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16

Fuller, D. O. "Remote detection of invasive Melaleuca trees (Melaleuca quinquenervia) in South Florida with multispectral IKONOS imagery". International Journal of Remote Sensing 26, n. 5 (marzo 2005): 1057–63. http://dx.doi.org/10.1080/01430060512331314119.

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17

Rayachhetry, Min B., Monica L. Elliott, Ted D. Center e Francois Laroche. "Field Evaluation of a Native Fungus for Control of Melaleuca (Melaleuca quinquenervia) in Southern Florida". Weed Technology 13, n. 1 (marzo 1999): 59–64. http://dx.doi.org/10.1017/s0890037x00044912.

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A native fungus,Botryosphaeria ribis, was evaluated under field conditions to determine its potential to control melaleuca. Applications consisted of either wound inoculations of trees withB. ribisor fresh stump treatments withB. ribisalone or mixed with imazapyr herbicide. There was no mortality among nondefoliated trees inoculated withB. ribis. Mortality ofB. ribis-inoculated trees was increased by three complete defoliation cycles. Defoliated trees inoculated with isolate BR-5 exhibited 100% mortality compared to 17% for defoliated but noninoculated trees. Wounds inoculated withB. ribisduring winter produced longer cankers than did noninoculated wounds. Stump regrowth reduction by treatment withB. ribisalone was less effective than treatment with imazapyr alone. Mixtures ofB. ribiswith imazapyr or imazapyr alone at comparable concentrations did not differ in stump regrowth control.

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Rayachhetry, Min B., George M. Blakeslee e Ted D. Center. "Predisposition of Melaleuca (Melaleuca quinquenervia) to Invasion by the Potential Biological Control Agent Botryosphaeria ribis". Weed Science 44, n. 3 (settembre 1996): 603–8. http://dx.doi.org/10.1017/s0043174500094418.

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Enhancement of the canker causing ability of Botryosphaeria ribis on melaleuca was studied with respect to stress from simulated drought, low temperature, and defoliation treatments. Low xylem water potential was related to increased level of canker development and subsequent tree mortality. Canker development was enhanced by low temperature treatments with alternating exposure to 6 C for 3 d followed by 4 d at 30 (±5) C for 8 wk. Partial defoliation did not affect canker development but complete defoliation of B. ribis-inoculated ramets resulted in tree mortality within 4 wk. Callusing of melaleuca wounds was either reduced or prevented in stressed trees. These observations suggest that stress induced on the tree enhances the tree-killing efficacy of this fungus.

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Dray, F. Allen, Bradley C. Bennett e Ted D. Center. "Invasion History of Melaleuca quinquenervia (Cav.) S.T. Blake in Florida". Castanea 71, n. 3 (settembre 2006): 210–25. http://dx.doi.org/10.2179/05-27.1.

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Ramanoelina, Panja A. R., Jean Pierre Bianchini e Emile M. Gaydou. "Main Industrial Niaouli (Melaleuca quinquenervia) Oil Chemotype Productions from Madagascar". Journal of Essential Oil Research 20, n. 3 (maggio 2008): 261–66. http://dx.doi.org/10.1080/10412905.2008.9700007.

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Tipping, Philip W., Melissa R. Martin e Lyn A. Gettys. "Biological control increases the susceptibility of melaleuca quinquenervia to fire". Biocontrol Science and Technology 27, n. 8 (3 agosto 2017): 1014–17. http://dx.doi.org/10.1080/09583157.2017.1366424.

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Bolton, Keith G. E., e Margaret Greenway. "A feasibility study of Melaleuca trees for use in constructed wetlands in subtropical Australia". Water Science and Technology 35, n. 5 (1 marzo 1997): 247–54. http://dx.doi.org/10.2166/wst.1997.0209.

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Three tree species from the genus Melaleuca are being examined for use in constructed wetlands in subtropical SE Queensland, Australia. Growth responses of Melaleuca to secondary treated effluent (100% - approximately 5mgPL−1 and 8mgNL−1), half strength (50%), P enriched (+P) and N enriched (+N) secondary treated effluents were monitored in a 2 year pot trial. A growth index was derived from measurements of height, girth diameter, branch number and new leaf number. Highest rates of growth were achieved in the +N and 100% treatments, and lowest rates in the +P and 50% treatments. Seasonal growth trends were evident. Continuously waterlogged trees had slightly higher growth rates than those subjected to aeration cycles, demonstrating their suitability to wetland environments. An aerated network through the bark extending to the roots may provide a mechanism of root aeration. Biomass and nutrient partitioning were measured in an experimental constructed Melaleuca wetlands receiving pure effluent. Biomass nutrient accumulation rates were comparable to studies of other macrophytes. M. alternifolia stored approximately three times more N and P than M. quinquenervia. However, M. quinquenervia had higher rates of litter fall induced by severe insect damage, increasing the rate of transfer of nutrients to the long term sediment sink. P concentrations in the senescent leaves were highly responsive to external concentrations, and may be used as an indicator of P loading rates in constructed wetlands. Since senescent leaves provide a major pathway of biomass nutrients into the sediment sink, this provides a self regulating P storage mechanism.

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DRAY, F. ALLEN, BRADLEY C. BENNETT, TED D. CENTER, GREG S. WHEELER e PAUL T. MADEIRA. "Genetic Variation in Melaleuca quinquenervia Affects the Biocontrol Agent Oxyops vitiosa1". Weed Technology 18, sp1 (dicembre 2004): 1400–1402. http://dx.doi.org/10.1614/0890-037x(2004)018[1400:gvimqa]2.0.co;2.

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Jang, Ha Na, e Soo Nam Park. "Antimicrobial Activity of Niaouli (Melaleuca quinquenervia) Leaf Extracts against Skin Flora". Journal of the Society of Cosmetic Scientists of Korea 40, n. 3 (30 settembre 2014): 313–20. http://dx.doi.org/10.15230/scsk.2014.40.3.313.

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Kim, Moon Jin, Eun Jong Kim e Soo Nam Park. "Antioxidative Effect and Component Analysis of Niaoulin (Melaleuca quinquenervia) Leaf Extracts." Journal of the Korean Oil Chemists' Society 31, n. 4 (30 dicembre 2014): 771–80. http://dx.doi.org/10.12925/jkocs.2014.31.4.771.

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Bombarda, Isabelle, Phila Raharivelomanana, Panja A. R. Ramanoelina, Robert Faure, Jean-Pierre Bianchini e Emile M. Gaydou. "Spectrometric identifications of sesquiterpene alcohols from niaouli ( Melaleuca quinquenervia ) essential oil". Analytica Chimica Acta 447, n. 1-2 (novembre 2001): 113–23. http://dx.doi.org/10.1016/s0003-2670(01)01307-1.

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Purcell, Matthew F., Joe K. Balciunas e Peter Jones. "Biology and Host-Range of Boreioglycaspis melaleucae (Hemiptera: Psyllidae), Potential Biological Control Agent for Melaleuca quinquenervia (Myrtaceae)". Environmental Entomology 26, n. 2 (1 aprile 1997): 366–72. http://dx.doi.org/10.1093/ee/26.2.366.

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Poole, Richard T., e Charles A. Conover. "Growth of Ficus benjamina in Combinations of Peat, Sand, and Melaleuca". HortScience 20, n. 3 (giugno 1985): 383–85. http://dx.doi.org/10.21273/hortsci.20.3.383.

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Abstract Ficus benjamina were grown in potting media containing various combinations of Florida sedge peat, builder’s sand, and shredded portions of Melaleuca quinquenervia (Cav.) S.T. Blake and irrigated either 2 or 4 times per week. Eight months after initiation of experiment, plants were sleeved and placed in dark coolers maintained at 13° ± 1°C and 85% ± 10% RH for 4 weeks. After removal from coolers, plants were placed in rooms with irradiance of 15 μmol s-1m-2, temperature of 25° ± 2° and 60% ± 10% RH. Plant height was not affected by treatment. Plant grade, fresh weight and root grade decreased with an increase in shredded Melaleuca bark and wood. Plants watered 2 times/week had less than one-half the leaf drop of plants watered 4 times/week. As the percentage of shredded Melaleuca bark and wood decreased, pH and the percentage of noncapillary pore space decreased, and soluble salts and capillary pore space increased. An increase in sand increased pH, soluble salts, bulk density, and decreased cation exchange capacity and percent capillary pore space.

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29

Wei, Lili, David A. Lockington, Shen Yu e Catherine E. Lovelock. "Nitrogen sharing and water source partitioning co-occur in estuarine wetlands". Functional Plant Biology 42, n. 4 (2015): 410. http://dx.doi.org/10.1071/fp14141.

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Plant–plant interactions are particularly complex in multi-resource limited environments. The aim of this study was to assess species interactions in estuarine wetlands where both N and fresh water are limited. We combined stable isotope methods and dissimilarity analyses to compare interspecific interactions in N source use and water source use. Both Melaleuca quinquenervia (Cav.) S. T Blake and Avicennia marina (Forssk.) Vierh. had a lower leaf δ15N when they were growing together with the N-fixer Casuarina glauca Sieb. ex Spreng. compared with those trees growing in monospecific stands, but their water isotopes, δ18O and δD, were different from C. glauca. Our results indicate that the N-fixer C. glauca shared their N with co-existing neighbours, either indirectly or directly, but that water sources were partitioned among them. Further analyses showed that M. quinquenervia and C. glauca had lower dissimilarity in N source use but higher dissimilarity in water source use than the C. glauca–A. marina pair, implying that the co-existence between M. quinquenervia and C. glauca is relatively stable. Our results suggest that facilitative interaction and resource partitioning can co-occur in estuarine wetlands, and which could be important in maintaining diversity across resource gradients.

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30

Greenway, M. "Litter accession and accumulation in a Melaleuca quinquenervia (Cav.) S.T. Blake wetland in south-eastern Queensland". Marine and Freshwater Research 45, n. 8 (1994): 1509. http://dx.doi.org/10.1071/mf9941509.

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Litterfall and litter accumulation were investigated over two years in a Melaleuca quinquenewia wetland in south-eastern Queensland. In 1992, a seasonally wet year, litterfall was 809 � 135 g m-2 yr-1 at the floodplain site and 764 �192 g m-2 yr-1 at the riparian site, of which Melaleuca leaf litter made up 65% and 56% respectively. Litterfall was significantly lower and more variable in 1993, a drought year, being 725�106 g m-2 and 675 � 216 g m-2 year-1. There was a distinct seasonal pattern, with peak leaf litterfall occurring in spring in 1992 but extending into summer in 1993. Melaleuca leaf fall was significantly lower in 1993, possibly because drought conditions caused greater leaf longevity. Litter accumulation on the forest floor was 3457 g m-2 at the floodplain site and 2320 g m-2 at the riparian site; there was no significant difference between years, although the organic matter content of the litter was lower in 1992, possibly as a result of leaching during flooding. Carbon content decreased with decreasing particle size of the litter, whereas nitrogen and phosphorus increased. There was no evidence to suggest leaching of nitrogen or phosphorus, and the high C: N: P ratios indicate slow rates of litter decay. The high accumulation of litter mass suggests that these woody wetlands may function as nutrient sinks.

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31

Doran, J. C., J. E. Drinnan, P. F. Macdonell e K. M. Aken. "Screening selected myrtaceous tree species for production of essential oils in northern Queensland". Australian Journal of Experimental Agriculture 47, n. 6 (2007): 755. http://dx.doi.org/10.1071/ea06191.

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Trials to identify alternative cropping options to Melaleuca alternifolia for northern Queensland essential oil growers were established at Dimbulah and Innot Hot Springs in 2001. Seed sources of Asteromyrtus symphyocarpa (1,8-cineole form), Eucalyptus staigeriana (citral), Melaleuca cajuputi subsp. cajuputi (trans-nerolidol), M. ericifolia (d-linalool), M. quinquenervia (trans-nerolidol and viridiflorol forms) and M. viridiflora (methyl cinnamate) with potential to produce commercial foliar oils were evaluated. Information was gathered on their adaptability, growth and oil yields over 49 months and 52 months (two harvests) from planting at Dimbulah and Innot Hot Springs, respectively. Of the species and chemotypes evaluated, M. quinquenervia showed potential for commercial production of trans-nerolidol, a compound used in perfumery. It had a very high survival rate (96%) and yields could be expected to improve dramatically from the average 100 kg/ha per harvest achieved in these trials with further research into selection of seed source, control of insect damage and breeding for genetic improvement. M. cajuputi subsp. cajuputi gave a similar performance to M. quinquenervia. The rarity of the trans-nerolidol form of this species and remoteness of its natural occurrence are impediments to further planting and research. E. staigeriana, with second harvest yields of ~600 kg/ha, performed exceptionally well on both sites but potential for development is limited by the ready availability of competitively priced E. staigeriana oil produced in South America. Survival of M. ericifolia ranged from 62% to 82% at 32 months (second harvest) at Innot Hot Springs and was deemed a failure at Dimbulah with poor growth and low survival, raising a major question about the suitability of this species for cultivation in the seasonally dry tropics. Planting of this species on a wider scale in northern Queensland cannot be recommended until more is known about factors affecting its survival. A. symphyocarpa and M. viridiflora were too slow-growing to warrant further consideration as potential oil-producing species at this time.

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32

Rayachhetry, Min B., George M. Blakeslee e Thomas Miller. "Histopathology of Botryosphaeria ribis in Melaleuca quinquenervia: Pathogen Invasion and Host Response". International Journal of Plant Sciences 157, n. 2 (marzo 1996): 219–27. http://dx.doi.org/10.1086/297340.

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33

Pratt, P. D., M. B. Rayamajhi, T. K. Van, T. D. Center e P. W. Tipping. "Herbivory alters resource allocation and compensation in the invasive tree Melaleuca quinquenervia". Ecological Entomology 30, n. 3 (giugno 2005): 316–26. http://dx.doi.org/10.1111/j.0307-6946.2005.00691.x.

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34

Leyva, Maureen, Leidys French-Pacheco, Felipe Quintana, Domingo Montada, Mayda Castex, Ariel Hernandez e María del Carmen Marquetti. "Melaleuca quinquenervia (Cav.) S.T. Blake (Myrtales: Myrtaceae): Natural alternative for mosquito control". Asian Pacific Journal of Tropical Medicine 9, n. 10 (ottobre 2016): 979–84. http://dx.doi.org/10.1016/j.apjtm.2016.07.034.

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35

Rayamajhi, Min B., Paul D. Pratt, Ted D. Center e Thai K. Van. "Insects and a pathogen suppress Melaleuca quinquenervia cut-stump regrowth in Florida". Biological Control 53, n. 1 (aprile 2010): 1–8. http://dx.doi.org/10.1016/j.biocontrol.2009.07.017.

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36

Rayamajhi, Min B., Paul D. Pratt, Ted D. Center, Philip W. Tipping e Thai K. Van. "Aboveground Biomass of an Invasive Tree Melaleuca (Melaleuca quinquenervia) before and after Herbivory by Adventive and Introduced Natural Enemies: A Temporal Case Study in Florida". Weed Science 56, n. 3 (giugno 2008): 451–56. http://dx.doi.org/10.1614/ws-07-152.1.

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Abstract (sommario):

Invasive plants can respond to injury from natural enemies by altering the quantity and distribution of biomass among woody materials, foliage, fruits, and seeds. Melaleuca, an Australian tree that has naturalized in south Florida, has been reunited with two natural enemies: a weevil introduced during 1997 and a psyllid introduced during 2002. We hypothesized that herbivory from these and other adventive organisms (lobate-lac scale and a leaf-rust fungus) would alter the distribution and allocation of biomass on melaleuca trees. This hypothesis was tested by temporally assessing changes in aboveground biomass components in conjunction with the presence of natural enemies and their damage to melaleuca trees. Melaleuca trees of different diameters representing the range (1 to 33 cm diam at 1.3 m height) within study sites were harvested during 1996, prior to the introduction of herbivorous insects, and again during 2003 after extensive tree damage had become apparent. Aboveground biomass, partitioned into several components (woody structures, foliage, fruits, and seeds), was quantified both times in Broward, Miami–Dade, and Palm Beach county sites located in south Florida. The two harvests within each site were performed in closely-matched melaleuca stands, and changes in biomass components were compared between years. Total biomass and woody portions decreased in Broward, whereas they increased in Miami–Dade and Palm Beach sites. Reductions in foliage (on all trees) and seed biomass (among seed-bearing trees) were greatest at Broward and least at Miami–Dade County site. Hence, overall seed and foliage production was severely reduced at the Broward site where both the natural enemy incidence and damage were more abundant compared to other sites. We therefore attribute the reduced foliar biomass and reproductive capability of melaleuca trees to infestations of natural enemies. These findings highlight the role that natural enemies can play in the long-term management of invasive tree species.

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37

KOUAME Konan Didier, KOUAME Koffi Gaston, e KASSI Koffifernand Jean Martial KONE Daouda. "Post-Harvest Control of Anthracnose of Mango (Mangifera indica L. var Kent) using Essential Oils Extracted from two Aromatic Plants (Cymbopogon citratus (D C) Stapf. and Melaleuca quinquenervia L.) of the Ivorian Flora". International Journal of Current Microbiology and Applied Sciences 10, n. 11 (10 novembre 2021): 277–93. http://dx.doi.org/10.20546/ijcmas.2021.1011.032.

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Abstract (sommario):

Mango anthracnose is one of the most important mango diseases in Côte d'Ivoire. The chemical approach to control this disease is today decried by consumers, because of the pesticide residues left in the fruit. The search for alternative control solutions, that respect the environment and are less polluting is becoming a necessity. Thus, the use of essential oils in the protection of mangoes against fruit pests before and especially after harvest is a promising solution. The present study aimed to reveal the inhibitory efficacy of essential oil of Melaleuca quinquenervia L. and Cymbopogon citratus (D.C) Stapf against Colletotrichum gloeosporioides (Penz.) Penz & Sacc causal agent of mango anthracnose, stored at room temperature. Five doses (100; 200; 500; 1,000 and 2,000 ppm) of each product were tested in vitro on mycelial growth and spore germination of C. gloeosporioides. In vivo, 700 and 1,400 ppm of C. citratus L. and 1,200 and 12,000 ppm of M. quinquenervia L. were tested against anthracnose in artificially inoculated mangoes. The impact of the different doses of these species on the physico-chemical parameters of the treated fruits was evaluated on day 11. Results showed that mycelial growth and spore germination were totally inhibited by C. citratus essential oil at 1,000 and 2,000 ppm throughout the experiment. In Vivo, the 1,200 ppm dose of M. quinquenervia strongly reduced the occurrence and progression of anthracnose in treated fruits compared to the control with an efficiency rate of 77.76 ± 8.73 and 86.63 ± 5.21%, respectivement. The essences did not significantly influence the physico-chemical parameters of the fruits. The doses 1,200 ppm of M. quinquenervia and 1,400 ppm of C. citratus can be recommended in a post-harvest biological control strategy against mangoes anthracnose.

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38

Tipping, Philip W., e Ted D. Center. "EVALUATING ACEPHATE FOR INSECTICIDE EXCLUSION OF OXYOPS VITIOSA (COLEOPTERA: CURCULIONIDAE) FROM MELALEUCA QUINQUENERVIA". Florida Entomologist 85, n. 3 (settembre 2002): 458–63. http://dx.doi.org/10.1653/0015-4040(2002)085[0458:eafieo]2.0.co;2.

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39

Rayachhetry, Min B., e Thai K. Van. "Regeneration Potential of the Canopy-Held Seeds of Melaleuca quinquenervia in South Florida". International Journal of Plant Sciences 159, n. 4 (luglio 1998): 648–54. http://dx.doi.org/10.1086/297583.

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40

Tipping, Philip W., Melissa R. Martin, Ryan Pierce, Ted D. Center, Paul R. Pratt e Min B. Rayamajhi. "Post-biological control invasion trajectory for Melaleuca quinquenervia in a seasonally inundated wetland". Biological Control 60, n. 2 (febbraio 2012): 163–68. http://dx.doi.org/10.1016/j.biocontrol.2011.10.003.

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41

Tipping, Philip W., Melissa R. Martin, Kayla R. Nimmo, Matthew D. Smart e Emily W. Wear. "Food web associations among generalist predators and biological control agents of Melaleuca quinquenervia". Biological Control 101 (ottobre 2016): 52–58. http://dx.doi.org/10.1016/j.biocontrol.2016.06.008.

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42

Ireland, B. F., D. B. Hibbert, R. J. Goldsack, J. C. Doran e J. J. Brophy. "Chemical variation in the leaf essential oil of Melaleuca quinquenervia (Cav.) S.T. Blake". Biochemical Systematics and Ecology 30, n. 5 (maggio 2002): 457–70. http://dx.doi.org/10.1016/s0305-1978(01)00112-0.

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43

Hsieh, Ji-Fan, Aaron Chuah, Hardip R. Patel, Karanjeet S. Sandhu, William J. Foley e Carsten Külheim. "Transcriptome Profiling of Melaleuca quinquenervia Challenged by Myrtle Rust Reveals Differences in Defense Responses Among Resistant Individuals". Phytopathology® 108, n. 4 (aprile 2018): 495–509. http://dx.doi.org/10.1094/phyto-09-17-0307-r.

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Abstract (sommario):

Plants have developed complex defense mechanisms to protect themselves against pathogens. A wide-host-range fungus, Austropuccinia psidii, which has caused severe damage to ecosystems and plantations worldwide, is a major threat to Australian ecosystems dominated by members of the family Myrtaceae. In particular, the east coast wetland foundation tree species Melaleuca quinquenervia, appears to be variably susceptible to this pathogen. Understanding the molecular basis of host resistance would enable better management of this rust disease. We identified resistant and susceptible individuals of M. quinquenervia and explored their differential gene expression in order to discover the molecular basis of resistance against A. psidii. Rust screening of germplasm showed a varying degree of response, with fully resistant to highly susceptible individuals. We used transcriptome profiling in samples collected before and at 5 days postinoculation (dpi). Differential gene expression analysis showed that numerous defense-related genes were induced in susceptible plants at 5 dpi. Mapping reads against the A. psidii genome showed that only susceptible plants contained fungal-derived transcripts. Resistant plants exhibited an overexpression of candidate A. psidii resistance-related genes such as receptor-like kinases, nucleotide-binding site leucine-rich repeat proteins, glutathione S-transferases, WRKY transcriptional regulators, and pathogenesis-related proteins. We identified large differences in the expression of defense-related genes among resistant individuals.

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44

Bolton, Keith G. E., e Margaret Greenway. "Pollutant removal capability of a constructed Melaleuca wetland receiving primary settled sewage". Water Science and Technology 39, n. 6 (1 marzo 1999): 199–206. http://dx.doi.org/10.2166/wst.1999.0298.

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This paper investigates the potential for constructed Melaleuca wetlands to provide buffering for sewage spills. The experimental site was a 4.5 m × 32 m surface flow constructed wetland planted with the tree species M. quinquenervia and M. alternifolia. Primary settled sewage was discharged into the wetland at flow rates of 300 and 600 lh−1, and the concentrations of commonly measured sewage pollutants were monitored at the inlet, middle, and outlet. The constructed wetland was an excellent sediment trap, with TSS removals of up to 98%. BOD5 and turbidity had correspondingly high removals of up to 93% and 97% respectively. At both flow rates there were was 100% reduction in faecal coliform. Nitrogen removal was dependent on the flow rate, with removals of 84% and 58% at 300 and 600 lh−1 respectively. Organic P removal was high, however the wetland system was a source of PO4-P. A conceptual model is presented for a constructed Melaleuca wetland designed for tea tree oil production, effluent polishing and emergency buffering for sewage spills.

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45

Shakeel, Faiyaz, Mounir M. Salem-Bekhit, Nazrul Haq e Sultan Alshehri. "Nanoemulsification Improves the Pharmaceutical Properties and Bioactivities of Niaouli Essential Oil (Melaleuca quinquenervia L.)". Molecules 26, n. 16 (5 agosto 2021): 4750. http://dx.doi.org/10.3390/molecules26164750.

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We develop a suitable delivery system for niaouli essential oil (NEO) using a nanoemulsification method for acne vulgaris. Prepared nanoemulsions (NEs) were characterized for droplet dimension, rheology, surface charge, and stability. The ability of NEO formulations against Propionibacterium acnes and Staphylococcus epidermidis was investigated and all formulations showed antiacne potential in vitro. Ex vivo permeation studies indicated significant improvement in drug permeations and steady state flux of all NEO-NEs compared to the neat NEO (p < 0.05). On the basis of the studied pharmaceutical parameters, enhanced ex vivo skin permeation, and marked effect on acne pathogens, formulation NEO-NE4 was found to be the best (oil (NEO; 10% v/v); Kolliphor EL (9.25% v/v), Carbitol (27.75% v/v), and water (53% v/v)). Concisely, the in vitro and ex vivo results revealed that nanoemulsification improved the delivery as well as bioactivities of NEO significantly.

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46

Zambino, P. J., e P. A. Nolan. "First Report of Rust Caused by Puccinia psidii on Paperbark, Melaleuca quinquenervia, in California". Plant Disease 95, n. 10 (ottobre 2011): 1314. http://dx.doi.org/10.1094/pdis-05-11-0436.

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Abstract (sommario):

Infections by Puccinia psidii Winter were detected on Melaleuca quinquenervia (Cav.) Blake (paperbark, tea tree) during a regular inspection of a San Diego, California nursery in November 2010 by San Diego County inspectors. Urediniospore morphology, production of bright-yellow uredinia on both upper and lower leaf surfaces, DNA sequencing, and inoculation tests confirm the identity of the pathogen. From digital image analysis, dimensions of 49 urediniospores from the paperbark rust collection were 25 (19 to 30) × 21 (18 to 23) μm, typical of uredinia of P. psidii (3). Some urediniospores also had a distinctive, unornamented “tonsure” near the base, and all pustules lacked teliospores. Both latter features are considered by some (3) as more typical of an asexual sub-taxon, Uredo rangelii Simpson, Tho., Grgur. which however, has narrower urediniospores than we report. U. rangelii is also considered less of a threat to Eucalyptus than other variants of P. psidii in the broad sense (1). The 627-bp DNA sequence of the internal transcribed spacer (ITS) region of the paperbark rust (GenBank Accession No. JF960255) obtained by John Hanna at the USDA Forest Service, Forestry Sciences Lab, Moscow, ID using PCR and ITS1/ITS4 primers had over 99% identity with 18 GenBank sequences of P. psidii from diverse Myrtaceae, including Melaleuca, Psidium, and Eucalyptus. In January and February of 2011, inoculations of 7- to 10-cm cuttings of active terminal growth demonstrated pathogenicity to the three species of Myrtaceae that were tested: paperbark, common myrtle Myrtus communis L., and brush cherry Syzygium australe (J.C. Wendl. ex Link) B. Hyland (=Eugenia australis, =E. myrtifolia) cv. Monterey Bay. Uredinia developed within 10 days of inoculation on inoculated host cuttings. Proportions of cuttings infected for paperbark, common myrtle, and brush cherry were 5 of 7, 6 of 6, and 1 of 6, respectively; pustules were most abundant on common myrtle and least abundant (a single pustule) on brush cherry. Similarly treated control cuttings were not infected. P. psidii has previously caused severe outbreaks on paperbark in Florida (2). California interceptions and nursery detections of P. psidii are recorded in the California Department of Food and Agriculture's internal, unpublished, Pest Detection Database, have all occurred since 2003, and include Florida sources. From the Database, detections on materials shipped into California nurseries have been: brush cherry from Florida, March and April, 2004 at Valley Center, CA; allspice (Pimenta dioica (L) Merr.) from Florida, June 2005 at Gilroy, CA; and Java apple/rose apple (Syzygium samarangense [Blume] Merr. & L.M. Perry [= Eugenia javanica Lam.]) from Hawaii, 2008 at Anaheim, CA. Other California nursery infestations have been: brush cherry, April 2004, at Valley Center, CA; pohutukawa (Metrosideros excelsa Solander ex J. Gaertner), July 2007 at Bonsall, CA; and common myrtle, November 2008 at Fallbrook, CA. The rust has not been reported in California on any plants outside of nursery settings or on Eucalyptus in any setting. The current strains of P. psidii in California appear likely to remain a recurrent problem for ornamental plant and foliage crops in the myrtle family grown in some nursery settings. References: (1) A. J. Carnegie et al. Australas. Plant Pathol. 39:463, 2010. (2) M. B. Rayachhetry et al. Biol. Control 22:38, 2001. (3) J. A. Simpson et al. Australas. Plant Pathology 35:549, 2006.

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47

Cook, Lyn G., David C. Morris, Robert D. Edwards e Michael D. Crisp. "Reticulate evolution in the natural range of the invasive wetland tree species Melaleuca quinquenervia". Molecular Phylogenetics and Evolution 47, n. 2 (maggio 2008): 506–22. http://dx.doi.org/10.1016/j.ympev.2008.02.012.

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48

Rayachhetry, M. B., T. K. Van, T. D. Center e F. Laroche. "Dry weight estimation of the aboveground components of Melaleuca quinquenervia trees in southern Florida". Forest Ecology and Management 142, n. 1-3 (marzo 2001): 281–90. http://dx.doi.org/10.1016/s0378-1127(00)00357-1.

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49

Tipping, Philip W., Melissa R. Martin, Kayla R. Nimmo, Ryan M. Pierce, Matthew D. Smart, Emily White, Paul T. Madeira e Ted D. Center. "Invasion of a West Everglades wetland by Melaleuca quinquenervia countered by classical biological control". Biological Control 48, n. 1 (gennaio 2009): 73–78. http://dx.doi.org/10.1016/j.biocontrol.2008.08.018.

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50

Sevillano, Lucero, Carol C. Horvitz e Paul D. Pratt. "Natural enemy density and soil type influence growth and survival of Melaleuca quinquenervia seedlings". Biological Control 53, n. 2 (maggio 2010): 168–77. http://dx.doi.org/10.1016/j.biocontrol.2010.01.006.

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