Gotowe bibliografie tematyczne / Scale insects Control

Gotowa bibliografia na temat „Scale insects Control”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 9 lutego 2022

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Artykuły w czasopismach na temat "Scale insects Control"

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Dr. T. V. Sathe, Dr T. V. Sathe, Dr P. M. Bhoje Dr. P. M Bhoje i A. S. Desai A. S. Desai. "Harmful Scale Insects (Coccidae: Hemiptera) of Mango and Their Control". Global Journal For Research Analysis 3, nr 6 (15.06.2012): 10–12. http://dx.doi.org/10.15373/22778160/june2014/4.

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Hill, M. G., S. J. Dobson, C. M. Mckenna, B. J. Maher i N. A. Mauchline. "Comparing armoured scale insect (Hemiberlesia spp) populations on male and female Actinidia chinensis vines". New Zealand Plant Protection 62 (1.08.2009): 274–78. http://dx.doi.org/10.30843/nzpp.2009.62.4795.

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The wood and leaves of Actinidia chinensis Hort16A and two male pollinisers A chinensis Meteor and A chinensis Sparkler from commercial kiwifruit orchards were sampled for the presence of armoured scale insects during winter 2007 and summer 2008/09 The numbers and species of scale insect were recorded Meteor had high armoured scale insect populations on its wood with approximately 10 times more armoured scale insects than Sparkler or Hort16A The leaves of Hort16A vines adjacent to Meteor vines had 44 more armoured scale insects and were 30 more likely to be infested by scale insects than the leaves of Hort16A vines adjacent to Sparkler vines The implications of these findings for armoured scale insect control on Hort16A fruit are discussed
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MOGHADDAM, MASUMEH, i GILLIAN W. WATSON. "THE SCALE INSECTS OF IRAN Part 1 THE ARMOURED SCALES (HEMIPTERA: COCCOMORPHA: DIASPIDIDAE)". Zootaxa 4907, nr 1 (12.01.2021): 1–276. http://dx.doi.org/10.11646/zootaxa.4907.1.1.

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Iran is situated at the junctions of the Palaearctic and Oriental zoogeographical regions, and the Caspian, Baluchi and Irano-Tiranian floral zones, so it has a very diverse scale insect fauna. Scale insects (Hemiptera: Coccomorpha) are economically important in forestry, agriculture and horticulture. This taxonomic account of the armoured scales (Diaspididae) of Iran is the first of three works planned to cover all the scale insects in the country. It provides a resource for accurate laboratory identification of all the species known to occur in Iran or that are likely to be found there. Keys to the families of scale insects found in Iran, and to the 49 genera and 144 species of Diaspididae found there, are provided. Detailed line drawings of all the species known to occur in Iran are provided to facilitate identification. These are accompanied by detailed descriptions, distribution data, information on natural enemies, economic importance and host-plants recorded in Iran. The main purpose of the work is to provide agricultural entomologists concerned with pest control and quarantine inspection worldwide with a reliable means of species identification.
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Hashem, Mohamed Hassan. "Some scale insects and fungi infesting mango trees in Ismailia, Egypt". Agricultura Tropica et Subtropica 54, nr 1 (1.01.2021): 136–46. http://dx.doi.org/10.2478/ats-2021-0014.

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Abstract The aim of the present work was to largely identify the scale insects and fungi living on mango leaves in order to find out from their biology whether there is a possible relationship between the two groups of organisms so that specific recommendations for their control can be made. A white hard scale insect Aulacaspis tubercularis Newstead (Diaspididae) and a green soft scale insect Kilifia acuminata Signoret (Coccidae) as well as four saprotrophic fungi belonging to the genera Alternaria Nees: Fr., Cladosporium Link., Helminthosporium Link ex Fr. and Stemphylium Wallr., were detected based on their morphological features in accordance with the identification keys and descriptions of scale insects and fungi. The infestation of mango leaves with the saprotrophic fungi was interpreted as a secondary infection due to the primary infection with the scale insects as honeydew producers on which the fungal spores develop and reproduce. Therefore, it is recommended to control the scale insects at an infection rate of 10% or more by means of which the application of fungicides could be dispensed. Furthermore, it cannot be ruled out that the climatic changes (e. g. fluctuating temperatures, increased relative humidities and greenhouse gases) as well as the increasing use of pesticides with their associated changes in the build-up of resistance, entomological and fungal biodiversities and in the balance sheets to the natural enemies are of greater importance as to provide a possible explanation for the seasonal fluctuations in the qualitative and quantitative mango crop failures.
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Clarke, S. R., G. L. DeBarr i T. X. Liu. "CONTACT TOXICITIES OF FIVE PYRETHROID AND FOUR ORGANOPHOSPHOROUS INSECTICIDES TO TOUMEYELLA PARVICORNIS (COCKERELL) CRAWLERS". Canadian Entomologist 124, nr 3 (czerwiec 1992): 563–64. http://dx.doi.org/10.4039/ent124563-3.

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The use of pyrethroids in southern pine seed orchards to control seed and cone insects has sometimes resulted in outbreaks of scale insects (Nord et al. 1985). Onset of these infestations has been related in part to the relatively low contact toxicities of pyrethroids (Clarke et al. 1988). Pyrethroids have lower contact toxicities than organophosphorous insecticides against crawlers of the striped pine scale, Tourneyella pini (King). Our objective was to determine if a similar relationship existed for the pine tortoise scale, Tourneyella parvicornis (Cockerell), another scale insect pest that infests southern pine seed orchards.
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Banu K, Arifa, i Aruna Devaraj. "A NOVEL HERBAL PESTICIDE TO CONTROL ADULT SCALE INSECTS". Journal of Pharmaceutical and Scientific Innovation 4, nr 4 (29.07.2013): 22–25. http://dx.doi.org/10.7897/2277-4572.02445.

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Liang, Jiaming, Yichuan Wu, Justin K. Yim, Huimin Chen, Zicong Miao, Hanxiao Liu, Ying Liu i in. "Electrostatic footpads enable agile insect-scale soft robots with trajectory control". Science Robotics 6, nr 55 (30.06.2021): eabe7906. http://dx.doi.org/10.1126/scirobotics.abe7906.

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Agility and trajectory control are two desirable features for robotics, but they become very challenging for soft robots without rigid structures to support rapid manipulations. Here, a curved piezoelectric thin film driven at its structural resonant frequency is used as the main body of an insect-scale soft robot for its fast translational movements, and two electrostatic footpads are used for its swift rotational motions. These two schemes are simultaneously executed during operations through a simple two-wire connection arrangement. A high relative centripetal acceleration of 28 body length per square second compared with existing robots is realized on a 65-milligram tethered prototype, which is better than those of common insects, including the cockroach. The trajectory manipulation demonstration is accomplished by navigating the robot to pass through a 120-centimeter-long track in a maze within 5.6 seconds. One potential application is presented by carrying a 180-milligram on-board sensor to record a gas concentration route map and to identify the location of the leakage source. The radically simplified analog motion adjustment technique enables the scale-up construction of a 240-milligram untethered robot. Equipped with a payload of 1660 milligrams to include the control circuit, a battery, and photoresistors, the untethered prototype can follow a designated, 27.9-centimeter-long “S”-shaped path in 36.9 seconds. These results validate key performance attributes in achieving both high mobility and agility to emulate living agile insects for the advancements of soft robots.
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Mani, M. "Recent trends in biological control of scale insects on fruit crops in India". Journal of Biological Control 30, nr 4 (21.06.2017): 198. http://dx.doi.org/10.18311/jbc/2016/15565.

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Scale insects are sap feeders, causing threat to the cultivation of several fruit crops. The scale insects can be grouped into two broad categories. The first group belonging to family Diaspidide, comprises many species of armoured scales (hard scales) belonging to the genera. <em>Aonidiella, Aulacaspis, Pseudaulacaspis, Hemiberlesia, Aspidiotus, Chrysomphalus, Pinnaspis, Parlatoria</em> etc. The second category belonging to family Coccidae comprises of the soft scales belonging to the genera Coccus, Puvinaria, <em>Chloropulvinaria, Saisettia, Parasaisettia, Vinsonia, Drephanococcus, Ceroplastes, Ceroplastodes</em>, etc. Scale insects are highly polyphagous, but certain species cause severe damage to specific fruit crops viz. the red scale, <em>Aonidiella aurantii</em> (Maskell) on citrus; latania scale, <em>Hemieberlesia lataniae</em> (Sign.) on grapevine.; white scale, <em>Aulacaspis tubercularis</em> (Newstead) on mango; green shield scale, <em>Pulvinaria psidii</em> (Maskell) on guava, lemon and sapota, <em>Pulvinaria polygonata</em> (Ckll.) on mango; green scale <em>Coccus viridis</em> (Green) on citrus and sapota and <em>Drephanococcus chiton</em> (Green) on ber and guava. Insecticides are not effective due to the presence of protective cover over the scales. On the other hand, scale insects are more amenable for biological control due to their sedentary habit and colonial distribution. Several scale insects are well regulated by the local predators. In nature, green shield scale, <em>Pulvinaria psidii</em> (Maskell) is kept under check by the predator, Australian ladybird beetle <em>Cryptolaemus montouzieri</em> Mulsant on guava, sapota and lemon. The reduction of the mango green shield scale <em>Pulvinaria polygonata</em> was attributed mainly to the action of the predators <em>C. montrouzieri</em> and <em>Spalgis epeus</em> Westwood. The green scale <em>Coccus viridis</em> on acid lime and white scale <em>Aulacaspis tubercularis</em> on mango are well regulated by the coccinellids <em>Chilocorus nigrita</em> (Fab) and <em>C. circumdatus</em> Sch. Local parasitoids are also known to effectively check the populations of the scale insects on different fruit crops. The encyrtid <em>Anicetus ceylonensis</em> How and the pteromalid <em>Cephaleta brunniventris</em> Motsch are responsible for the suppression of wax scale <em>Drephanococcus chiton</em> on ber and guava. The aphelinid parasitoid, <em>Pteroptrix koebeli</em> How. plays a major role in the regulation of the mango scale <em>Aulacaspis tubercularis</em>. On sapota, the aphelinid parasitoid <em>Coccophagus</em> sp. was the dominant natural enemy causing up to 95 % parasitism. <em>Scutellista cyanea</em> Motsch. (Pteromalidiae: Hymenoptera) was able to suppress <em>Parasaissetia nigra</em> (Nietner) on custard apple and pomegranate. In the absence of effective biocontrol agents in nature, parasitoids and predators have to be released in the field for obtaining an effective and quicker suppression of the scale insects. Release of adult <em>C. nigirita</em> was found to be effective in the control of the red scale on citrus in Karnataka, Andhra Pradesh and Punjab. Release of <em>C. infernalis (C.bijugus)</em> Mulsant @ 10-20 beetles/tree once in April-May has also been recommended to reduce Sanjose scale. The white halo fungus, <em>Lecanicillium (Verticillium ) lecanii</em> can be sprayed at 16 x 10<sup>6</sup> spores/ml along with 0.05% of sticking agents in the evening hours at 15 days interval to control the green scale in the hilly areas during cooler months. The biocontrol agents can be integrated with plant origin insecticides as they do not affect the activity of these agents.
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Eilenberg, J., J. M. Vlak, C. Nielsen-LeRoux, S. Cappellozza i A. B. Jensen. "Diseases in insects produced for food and feed". Journal of Insects as Food and Feed 1, nr 2 (1.01.2015): 87–102. http://dx.doi.org/10.3920/jiff2014.0022.

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Increased production of insects on a large scale for food and feed will likely lead to many novel challenges, including problems with diseases. We provide an overview of important groups of insect pathogens, which can cause disease in insects produced for food and feed. Main characteristics of each pathogen group (viruses, bacteria, fungi, protists and nematodes) are described and illustrated, with a selection of examples from the most commonly produced insect species for food and feed. Honeybee and silkworm are mostly produced for other reasons than as human food, yet we can still use them as examples to learn about emergence of new diseases in production insects. Results from a 2014 survey about insect diseases in current insect production systems are presented for the first time. Finally, we give some recommendations for the prevention and control of insect diseases.
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Verneau, Fabio, Francesco La Barbera, Mario Amato, Roberta Riverso i Klaus G. Grunert. "Assessing the Role of Food Related Lifestyle in Predicting Intention towards Edible Insects". Insects 11, nr 10 (25.09.2020): 660. http://dx.doi.org/10.3390/insects11100660.

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Although recent literature has shown that switching to an insect-based diet could provide several relevant advantages—from a nutritional, environmental, economic and ecological point of view—the potential growth of insects as everyday food is still unclear. Despite a growing literature on consumer acceptance and product preference for insect-based food, a segmentation of this future and possible market has never been proposed. Therefore, in the present paper, a market segmentation based on the Food Related Lifestyle Scale (FRLS), was performed in order to predict consumers’ willingness to eat (WTE) edible insects. Moreover, the role of perceived behavioural control is taken into account. Results shows that the novelty and benefits of insect consumption have generated much interest in edible insects amongst consumers belonging to the Rational cluster, who showed the highest intention to introduce insects in their diet, thus confirming the presence of a niche of “early adopters”. In addition, perceived behavioural control was the major driver of intention. Implications for attempts to encourage people to incorporate insect-based foods into their diet are discussed, with special reference to the role of marketing campaigns.
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Rozprawy doktorskie na temat "Scale insects Control"

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Meyer, Jack Robert. "Cultivar susceptibility and fungicide control of black dot root rot". Thesis, Montana State University, 2007. http://etd.lib.montana.edu/etd/2007/meyer/MeyerJ0507.pdf.

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Kokkinn, M. J. "A control strategy for `Tanytarsus barbitarsis` Freeman (Diptera : Chironomidae), a small-scale pest organism /". Title page, contents and summary only, 1986. http://web4.library.adelaide.edu.au/theses/09PH/09phk796.pdf.

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Yan, Jwo-Yee. "Studies on the behaviour of males of California red scale Aonidiella aurantii (Maskell)". Title page, contents and summary only, 1985. http://web4.library.adelaide.edu.au/theses/09A/09ay21.pdf.

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Wakgari, Waktola (Waktola Muleta). "Biology, ecology and management of white wax scale, Ceroplastes destructor Newstead (Hemiptera: Coccidae), on citrus and syzygium". Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/51637.

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Thesis (PhD)--University of Stellenbosch, 2000.
ENGLISH ABSTRACT: The population density of the white wax scale, Ceroplastes destructor Newstead, has increased since 1994 in certain areas of Western and parts of Eastern Cape Provinces of South Africa where citrus is grown, particularly on Citrus reticulata (Blanco). A study was conducted to investigate its morphology, biology and ecology as contributions to the development of a sound integrated management programme. Characteristics of the immature stages and adult females were described and illustrated from field-collected and slide-mounted specimens. A key to the different stages and morphometeric characteristics useful for separating them are provided. No significant differences in female fecundity were found between orchards (P > 0.05). However, fecundity varied significantly between female size classes from the same orchard (P < 0.001). Female body-size also differed significantly between orchards (P < 0.05) and was significantly positively correlated with fecundity (P < 0.01). C. destructor has one discrete generation per year in South Africa. Oviposition commenced in November and continued through to the end of December with a few females ovipositing until mid January. Population density of the second instar peaked in February while the third instar extended from March to the end of July, followed by a peak population of adults in August. Seven primary and three secondary parasitoids, as well as four predator species attacking C. destructor were identified. Aprostocetus (= Tetrastichus) ceroplastae (Girault) was the dominant species, accounting for 78.87% of the total primary parasitoids reared. Peak numbers of parasitoids and predators were synchronized with peak emergence of susceptible scale stages, indicating that the host-parasitoid/predator system contained a density-dependent regulatory mechanism. Key mortality factors varied slightly between two of the orchards. Key stage mortality determined from a cohort life table was generally in the third instar (LIlI) and preovipositional female (POF) stage. Significant density-dependent mortality factors were demonstrated for the first instar (LI) and PDF stage. Dispersal of C. destructor is by first instar nymphs and the numbers caught on a series of yellow sticky traps varied significantly between crawler densities at the source, trap distances and trap directions from the source (P < 0.001). The numbers caught were positively correlated to the initial crawler density at the source (P < 0.01), suggesting that dispersal was density dependent. Trap distance and the numbers caught were inversely correlated (P < 0.01). Evaluation of effects of different densities of C. destructor on growth, survivorship and reproduction of scales as well as on leaf bearing ability of trees and area of leaf surface covered with sooty mould fungus was carried out on naturally infested Syzygium (= Eugenia) malaccensis (L.) plants. Scale body size and fecundity were inversely related to scale density (P < 0.01), suggesting density-dependent intraspecific competition. Scale survivorship generally declined with increasing density whereas scale parasitism and predation were positively correlated with density (P < 0.05). At high scale densities production of new leaves was significantly reduced (P < 0.01), reducing the resource base for subsequent generations of scale. Scale density and leaf area covered with sooty mould fungus were significantly positively correlated (P < 0.05). The toxicity of four synthetic insecticides against the three immature stages of C. destructor and of eight insecticides against the parasitoid A. ceroplastae was evaluated. Development of the first and second instars of C. destructor was completely arrested by the chemicals. Female fecundity, fertility and body sizes of survivors of treatments applied at the LIII stage were not significantly affected by any of the chemicals (P > 0.05). All the chemicals exhibited high toxicity to A. ceroplastae and hence are not recommended for integrated management of C. destructor in citrus orchards where A. ceroplastae plays an important role.
AFRIKAANSE OPSOMMING: Die populasiedigtheid van die witwasdopluis, Ceroplastes destructor Newstead, het sedert 1994 toegeneem in sekere gebiede van die Weskaap en Ooskaap provinsies van Suid-Afrika waar sitrus verbou word, veralop Citrus reticulata (Blanco). 'n Studie van hierdie insek se morfologie, biologie en ekologie is onderneem as bydrae tot die ontwikkeling van 'n geïntegreerde bestuursprogram. Die karaktertrekke van die onvolwasse stadia en die volwasse wyfies is beskryf en geïllustreer vanaf eksemplare wat in die veld versamel is en op g1asplaatjies gemonteer is. 'n Sleutel vir die verskillende stadia en morfometriese kenmerke wat nuttig is om hulle te onderskei, word voorsien. Geen beduidende verskille in die vrugbaarheid van wyfies van verskillende boorde is gevind nie (P < 0.05). Vrugbaarheid het egter betekenisvol verskil by die verskillende grootteklasse van wyfies uit dieselfde boord (P < 0.001). Die liggaamsgrootte van wyfies uit verskillende boorde het betekenisvol verskil (P < 0.05) en was betekenisvol positief gekorreleer met vrugbaarheid (P < 0.01). C. destructor het een generasie per jaar in Suid-Afrika. Eierlegging het in November begin en aangehou tot aan die einde van Desember, met enkele wyfies wat nog tot in middel Januarie eiers gelê het. Die populasiedigtheid van die tweede instar het 'n hoogtepunt in Februarie bereik, terwyl die derde instar van Maart tot aan die einde van Julie geduur het, gevolg deur 'n piekbevolking van volwassenes in Augustus. Sewe primêre en drie sekondêre parasitoïde asook vier predator spesies wat C destructor aanval, is geïdentifiseer. Aprostocetus (=Tetrastichus) ceroplastae (Girault) was die dominante spesies wat 78.87% van die totale aantal primêre parasitoïde wat uitgeteel is, uitgemaak het. Die pieke in die getalle van parasitoïde en predatore was gesinchroniseer met pieke in die verskyning van die gevoelige stadia, wat dui op die aanwesigheid van 'n digtheidsafhanklike regulatoriese meganisme. Die sleutel mortaliteitsfaktore het effens gevarieer tussen twee van die boorde. Die sleutelstadium van mortaliteit, soos bepaal m.b.v. 'n kohort lewenstabel, was gewoonlik die derde instar (LIlI) en die preoviposisionele wyfie (POW). Betekenisvolle digtheidsafhanklike mortaliteitsfaktore IS aangetoon vir die eerste instar (LI) en die POW. Die verspreiding van C.destructor vind plaas deur die eerste instar nimfe en die getalle wat op 'n reeks van taai geel valle gevang is, het betekenisvol gewissel volgens kruiperdigthede by die bron, asook die afstand en rigting van die valle vanaf die bron (P < 0.001). Die getalle wat gevang is, was positief gekorreleer met die aanvanklike kruiperdigtheid by die bron (P < 0.01), wat daarop dui dat verspreiding digtheidsafhanklik was. Die afstand van die valle en die aantal wat gevang is, was omgekeerd gekorreleer (P < 0.01). 'n Evaluering van die invloed van verskillende digthede van C. destructor op die groei, oorlewing en reproduksie van dopluise, asook die vermoë van bome om blare te dra en die area van die blaaroppervlak wat met roetskimmel besmet is, is uitgevoer op plante van Syzygium (= Eugenia) malaccensis (L.) met 'n natuurlike besmetting. Die liggaamsgrootte en vrugbaarheid van die dopluise was omgekeerd gekorreleer met hulle digtheid (P < 0.01), wat dui op digtheidsafhanklike intraspesifieke kompetisie. Die oorlewing van die dopluise het oor die algemeen afgeneem met toenemende digtheid, terwyl parasitisme en predasie positief gekorreleer was met digtheid (P < 0.05). By hoë dopluisdigthede het die produksie van nuwe blare betekenisvol afgeneem (P < 0.01), wat die hulpbronbasis vir daaropvolgende generasies van dopluise verswak. Die dopluisdigtheid en blaaroppervlak wat met roetskimmel bedek was, was positief gekorreleer (P < 0.05). Die toksisiteit van vier sintetiese insektemiddels teenoor die drie onvolwasse stadia van C. destructor en van agt insektemiddels teenoor die parasitoïd A. ceroplastae is geëvalueer. Die ontwikkeling van die eerste en tweede instars van C. destructor is heeltemal stopgesit deur die middels. Die fekunditeit, fertiliteit en liggaamsgrootte van wyfies wat toedienings op die LIIl stadium oorleef het, is nie betekenisvol ge-affekteer deur enige van die middels nie (P < 0.05). Al die middels was baie toksies teenoor A. ceroplastae en word dus nie aanbeveel vir die geïntegreerde bestuur van C. destructor waar A. ceroplastae 'n belangrike rol speel nie.
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Scholtz, Anna J. "Evaluation of the large-scale trapping of blowflies (Lucilia spp.) for an integrated pest management program : the lucitrap". Thesis, Port Elizabeth Technikon, 2003. http://hdl.handle.net/10948/126.

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The results presented in this dissertation have been partially presented at scientific meetings. Chapter 2 is an exact copy of the technical contents of a paper submitted to a scientific journal. The format of this paper however has been changed to comply with the format used in this dissertation. The results of this paper were partially presented at the 36th National Congress of the South African Society of Animal Science, 5 – 8 April 1998 held in Stellenbosch. In this chapter errors occurred in the execution of the trial, but these were corrected in the follow-up trial after consulting with the manufacturers. It is discussed in the paper. Results of chapter 3 were partially presented at the 5th International Sheep Veterinary Congress 21 – 25 January 2001 held in Stellenbosch and at an International Congress (The FLICS (Flystrike & Lice IPM Control Strategies) Conference, 25 – 27 June 2001, Launceston) in Tasmania by Mr. S.W.P. Cloete in 2001. The updated results are given in this chapter. The results of chapter 4 were presented at a combined congress between the Grasslands and the Animal Production Societies of South Africa (The GSSA/SASAS Joint Congress 2002. 13 – 16 May) in Christiana in 2002. The results in this chapter represent the same experimental period as was reported upon at that congress, but additional statistical analyses were executed on the same data set. Copies of the abstracts of the contributions to these meetings are attached in chapter 6. The major objective of this study initially was to evaluate the Lucitrap® system under South African conditions. During the experimental period I had an opportunity to visit Australia and meet many role players. It came under my attention that the control of the blowfly is a rather complex problem with many facets. A current issue worldwide on the use of chemicals as a control method against insects and its hazardous influence on the environment is forcing producers to minimize chemical residues in textiles and other agricultural products. An Integrated Pest Management (IPM) approach seems to be the only option. This study has been executed to try and understand some aspects of the blowfly problem for future application in such a blowfly control program.
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Teoh, Zhi Ern. "Design of Hybrid Passive and Active Mechanisms for Control of Insect-Scale Flapping-Wing Robots". Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:23845481.

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Flying insects exhibit a remarkable ability to fly in environments that are small, cluttered and highly dynamic. Inspired by these animals, scientist have made great strides in understanding the aerodynamic mechanisms behind insect-scale flapping-wing flight. By applying these mechanisms together with recent advances in meso-scale fabrication techniques, engineers built an insect-scale flapping-wing robot and demonstrated hover by actively controlling the robot about its roll and pitch axes. The robot, however, lacked control over its yaw axis preventing control over its heading angle. In this thesis, we show that the roll and pitch axes of a single actuator insect-scale flapping-wing robot can also be passively stabilized by the addition of a pair of aerodynamic dampers. We develop design guidelines for these dampers, showing that the previously unstable robot with the addition of the dampers is able to perform stable vertical flights and altitude control. To address the lack of yaw control, we develop a yaw torque generating mechanism inspired by the fruit fly wing hinge. We present the development of this mechanism in three stages: from the conceptual stage, to the torque measurement stage and finally to a hover capable stage. We show that the robot is able to generate sufficient yaw torque enabling the robot to transition from hover to heading control maneuvers.
Engineering and Applied Sciences - Engineering Sciences
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Boothe, Rena Almena. "Influence of host plant and host population structure on physiological and behavioural characteristics of Chilocorus nigritus and the efficacy of control of the scale insect, Aspidiotus nerii (Bouche)". Thesis, University of Kent, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.523517.

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Mkize, Nolwazi. "A contribution to cabbage pest management by subsistence and small-scale farmers in the Eastern Cape, South Africa". Thesis, Rhodes University, 2004. http://hdl.handle.net/10962/d1005342.

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The interaction between farmers, agricultural scientists and extension workers is sometimes overlooked in agricultural entomology. In an attempt to respond to this reality this study examines some foundation of this interaction in relation to the pest management practices of subsistence and small-scale farmers and also highlights the problems that might arise in the implementation of IPM. Problems involving pests occurrence; language barriers; beliefs, knowledge and perception about insects, and visual literacy are examined. The thesis has a two-fold focus, firstly the study of pests on cabbages of subsistence farmers in Grahamstown and secondly a broader focus on other aspects such as cultural entomology, perception of insects and visual literacy specifically in relation to Xhosa speaking people in the Eastern Cape. The most important crop for emergent farmers in the Eastern Cape are cabbages, which have a variety of pests of which diamondback moths and are the most important. Traditional pest management practices tend to influence the development of IPM programmes adopted by these farmers. Eastern Cape farmers apply periodic cropping systems, which had an effect on the population densities of diamondback moth (DBM), other lepidopteran pests and their parasitoids. Considering the maximum population densities of DBM, which were 0.2 - 2.9 larvae/plant, there were no major pest problems. The availability of parasitoids, even in highly disturbed and patchy environments, showed good potential for biological control. Since some extension officers cannot speak the local farmers’ language, a dictionary of insect names was formulated in their language (isiXhosa) to assist communication. Response-frequency distribution analysis showed that the dictionary is essentially complete. The literal translations of some names show that isiXhosa speakers often relate insects to people, or to their habitat or classify them according to their behaviour. Farmers from eight sites in the Eastern Cape were interviewed regarding their knowledge and perception of insect pests and their control thereof. To some extent, farmers still rely on cultural control and have beliefs about insects that reflected both reality and superstition. There is no difference between the Ciskei and Transkei regions regarding insect-related beliefs. Farmers generally lack an understanding of insect ecology. There is a need for farmers to be taught about insects to assist with the implementation of IPM. Leftover pesticides from commercial farms or detergents are sometimes used to manage the pests. When training illiterate or semi-literate farmers, it is important to understand their media literacy so as to design useful graphic and object training media. Generally farmers showed that they either understand graphic or object media depending on the features of the insects being looked at. These findings are discussed with regard to the potential development of IPM training material for subsistence and small-scale farmers in a community.
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Wakil, Waqas [Verfasser], i Thomas [Akademischer Betreuer] Schmitt. "Developing novel approaches for the control of stored-grain insect pests: laboratory assays of insecticide, diatomaceous earths and entomopathogenic fungi and their implementation on small-scale farms in Pakistan / Waqas Wakil ; Betreuer: Thomas Schmitt". Trier : Universität Trier, 2014. http://d-nb.info/1197700137/34.

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Alvarez, Juan Manuel. "Biology and oviposition behavior of Cybocephalus nr. nipponicus Endrody-Younga (Coleoptera: Cybocephalidae), a natural enemy of euonymus scale Unaspis euonymi (Comstock) (Homoptera: Diaspididae)". 1996. https://scholarworks.umass.edu/theses/3068.

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Więcej źródeł

Książki na temat "Scale insects Control"

1

Suomi, Daniel A. Scale insects on ornamentals. Pullman: Cooperative Extension, College of Agriculture and Home Economics, Washington State University, 1996.

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Clarke, Stephen R. Effects of fenvalerate and azinphosmethyl on scale insects and their natural enemies in loblolly pine seed orchards. Asheville, N.C. (P.O. Box 2680, Asheville 28802): U.S. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station, 1990.

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Clarke, Stephen R. Effects of fenvalerate and azinphosmethyl on scale insects and their natural enemies in loblolly pine seed orchards. Asheville, N.C. (P.O. Box 2680, Asheville 28802): U.S. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station, 1990.

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Lochhead, William. The present condition of the San José scale in Ontario. Toronto: Dept. of Agriculture, 1997.

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(Editor), Yair Ben-Dov, i Christopher John Hodgson (Editor), red. Soft Scale Insects : Volume 7A: Soft Scale Insects (World Crop Pests). Elsevier Science, 1997.

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1934-, Ben-Dov Yair, i Hodgson Christopher John, red. Soft scale insects: Their biology, natural enemies, and control. Amsterdam: Elsevier, 1997.

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Armored scale insects: Their biology, natural enemies, and control. Amsterdam: Elsevier, 1990.

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Soft Scale Insects their Biology, Natural Enemies and Control. Elsevier, 1997. http://dx.doi.org/10.1016/s1572-4379(97)x8001-7.

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Soft Scale Insects their Biology, Natural Enemies and Control. Elsevier, 1997. http://dx.doi.org/10.1016/s1572-4379(97)x8073-x.

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United States. Animal and Plant Health Inspection Service, red. Look out for the pink hibiscus mealybug. [Washington, D.C.?]: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 1997.

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Części książek na temat "Scale insects Control"

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Scherber, Christoph, Blas Lavandero, Katrin M. Meyer, David Perovic, Ute Visser, Kerstin Wiegand i Teja Tscharntke. "Scale Effects in Biodiversity and Biological Control: Methods and Statistical Analysis". W Biodiversity and Insect Pests, 121–38. Chichester, UK: John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781118231838.ch8.

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Lasa, Rodrigo, Andrea Birke, Larissa Guillén, Martín Aluja i Daniel Carrillo. "Pests." W Guava: botany, production and uses, 249–69. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789247022.0013.

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Abstract This chapter focuses on major pests of guava in the different production areas of the world. The most important insects and mites have been grouped into six categories that have been divided according to different species and their importance across the different guava-producing regions. The chapter also emphasizes the basic features of each group related to their feeding damage, biology, behaviour, ecology and biorational pest management strategies. Minor pests are also listed. It is suggested that the main focus of pest control measures should be targeted towards fruit flies, some coleopteran and lepidopteran species that bore fruit and stems, and some minor pests that include scales, mealybugs, thrips, whiteflies and mites that increase guava production costs and reduce fruit quality and yields.
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Helbling, E. Farrell, Sawyer B. Fuller i Robert J. Wood. "Altitude Estimation and Control of an Insect-Scale Robot with an Onboard Proximity Sensor". W Springer Proceedings in Advanced Robotics, 57–69. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51532-8_4.

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Ahmed, Mahdi Abdelrhman. "Integrated Pest Management for Control the Date Palm Green Pit Scale Insect Palmapsis phoenicis Ra (Homoptera: Asterolecaniidae) in Sudan". W Sustainable Management of Invasive Pests in Africa, 185–201. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41083-4_15.

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Darvas, Béla. "Control". W Soft Scale Insects their Biology, Natural Enemies and Control, 165–82. Elsevier, 1997. http://dx.doi.org/10.1016/s1572-4379(97)80082-6.

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Gill, Raymond J., i Michael Kosztarab. "Pest Status of Soft Scale Insects". W Soft Scale Insects their Biology, Natural Enemies and Control, 161–63. Elsevier, 1997. http://dx.doi.org/10.1016/s1572-4379(97)80081-4.

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Kunkel, Hartwig. "1.2.3.1 Scale insect honeydew as forage for honey production". W Soft Scale Insects their Biology, Natural Enemies and Control, 291–302. Elsevier, 1997. http://dx.doi.org/10.1016/s1572-4379(97)80059-0.

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Qin, Ting-Kui. "1.2.3.2 The pela wax scale and commercial wax production". W Soft Scale Insects their Biology, Natural Enemies and Control, 303–21. Elsevier, 1997. http://dx.doi.org/10.1016/s1572-4379(97)80060-7.

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Foldi, ImrÉ. "1.1.2.6 Internal anatomy of the Adult Female". W Soft Scale Insects their Biology, Natural Enemies and Control, 73–90. Elsevier, 1997. http://dx.doi.org/10.1016/s1572-4379(97)80045-0.

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Vranjic, John A. "1.3.1 Effects on host plant". W Soft Scale Insects their Biology, Natural Enemies and Control, 323–36. Elsevier, 1997. http://dx.doi.org/10.1016/s1572-4379(97)80061-9.

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Streszczenia konferencji na temat "Scale insects Control"

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Rubio, Jose E., i Uttam K. Chakravarty. "An Investigation of the Aerodynamic Performance of a Biomimetic Insect-Sized Wing for Micro Air Vehicles". W ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65303.

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Biologically-inspired micro air vehicles (MAVs) are miniature-scaled autonomous aircrafts which attempt to biomimic the exceptional maneuver control during low-speed flight mastered by insects. Flexible wing structures are critical elements of a nature-inspired MAV as evidence supports that the wings of aerial insects experience highly-elastic deformations that enable insects to proficiently hover and maneuver in different airflow conditions. For this study, a crane fly (family Tipulidae) forewing is selected as the target specimen to replicate both its structural integrity and aerodynamic performance. The artificial insect-sized wing is manufactured using photolithography with negative photoresist SU-8 to fabricate the vein geometry. A Kapton film is attached to the vein pattern for the assembling of the wing. The natural frequencies and mode shapes of the artificial wing are determined to characterize its vibrations. A numerical simulation of the fluid-structure interaction is conducted by coupling a finite element model of the artificial wing with a computational fluid dynamics model of the surrounding airflow. From these simulations, the deformation response and the coefficients of drag and lift of the artificial wing are predicted for different freestream velocities and angles of attack. The deformation along the span of the wing increases nonlinearly with Reynolds number from the root to the tip of the wing. The coefficient of lift increases with angle of attack and Reynolds number. The coefficient of drag decreases with Reynolds number and angle of attack. The aerodynamic efficiency, defined as the ratio of the coefficient of lift to the coefficient of drag, of the artificial wing increases with angle of attack and Reynolds number.
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Clawson, Taylor S., Silvia Ferrari, Sawyer B. Fuller i Robert J. Wood. "Spiking neural network (SNN) control of a flapping insect-scale robot". W 2016 IEEE 55th Conference on Decision and Control (CDC). IEEE, 2016. http://dx.doi.org/10.1109/cdc.2016.7798778.

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Clawson, Taylor S., Sawyer B. Fuller, Robert J. Wood i Silvia Ferrari. "A blade element approach to modeling aerodynamic flight of an insect-scale robot". W 2017 American Control Conference (ACC). IEEE, 2017. http://dx.doi.org/10.23919/acc.2017.7963382.

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Ma, Kevin Y., Pakpong Chirarattananon i Robert J. Wood. "Design and fabrication of an insect-scale flying robot for control autonomy". W 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). IEEE, 2015. http://dx.doi.org/10.1109/iros.2015.7353575.

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S. Wang, J. Tang, J.A. Johnson, M. Monzon i E.J. Mitcham. "Industrial-scale Radio Frequency Treatments for Insect Control in In-shell Walnuts". W 2006 Portland, Oregon, July 9-12, 2006. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2006. http://dx.doi.org/10.13031/2013.21477.

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Gilani, Omar, i Pinhas Ben-Tzvi. "The Application of Bioinspired Jumping Locomotion Principles to Mobile Robots: Modeling and Analysis". W ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control. ASMEDC, 2011. http://dx.doi.org/10.1115/dscc2011-6108.

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Nature provides various alternative locomotion strategies which could be applied to robotic systems. One such strategy is that of jumping, which enables centimeter to millimeter-scaled insects to traverse highly unstructured environments quickly and efficiently. These insects generate the required high magnitude power through specialized structures which store and rapidly release large amounts of energy. This paper presents an investigation into the morphology of natural jumpers and derives a generalized mathematical model based on them. The model describes mathematically the relationships present in a jumping system which uses a pause-and-leap jumping strategy. The use of springs as energy storage elements for such a jumping system is assessed. The discussion is then further extended to another bioinspired approach that can be applied to a jumping robot: that of gliding using foldable wings. The developed jumping and gliding mobility paradigm is analyzed and its feasibility for mobile robot applications is discussed.
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Goldberg, Benjamin, Neel Doshi i Robert J. Wood. "High speed trajectory control using an experimental maneuverability model for an insect-scale legged robot". W 2017 IEEE International Conference on Robotics and Automation (ICRA). IEEE, 2017. http://dx.doi.org/10.1109/icra.2017.7989405.

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Cheng, B., i X. Deng. "Mathematical Modelling of Near-Hover Insect Flight Dynamics". W ASME 2010 Dynamic Systems and Control Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/dscc2010-4234.

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Using a dynamically scaled robotic wing, we studied the aerodynamic torque generation of flapping wings during roll, pitch, and yaw rotations of the stroke plane. The total torque generated by a wing pair with symmetrical motions was previously known as flapping counter-torques (FCTs). For all three types of rotation, stroke-averaged FCTs act opposite to the directions of rotation and are collinear with the rotational axes. Experimental results indicate that the magnitude of FCTs is linearly dependent on both the flapping frequency and the angular velocity. We also compared the results with predictions by a mathematical model based on quasi-steady analyses, where we show that FCTs can be described through consideration of the asymmetries of wing velocity and the effective angle of attack caused by each type of rotation. For roll and yaw rotations, our model provided close estimations of the measured values. However, for pitch rotation the model tends to underestimate the magnitude of FCT, which might result from the effect of the neglected aerodynamics, especially the wake capture. Similar to the FCT, which is induced by body rotation, we further provide a mathematical model for the counter force induced by body translation, which is termed as flapping counter-force (FCF). Based on the FCT and FCF models, we are able to provide analytical estimations of stability derivatives and to study the flight dynamics at hovering. Using fruit fly (Drosophila) morphological data, we calculated the system matrix of the linearized flight dynamics. Similar to previous studies, the longitudinal dynamics consist of two stable subsidence modes with fast and slow time constants, as well as an unstable oscillatory mode. The longitudinal instability is mainly caused by the FCF induced by an initial forward/backward velocity, which imparts a pitch torque to the same direction of initial pitch velocity. Similarly, the lateral dynamics also consist of two stable subsidence modes and an unstable oscillatory mode. The lateral instability is mainly caused by the FCF induced by an initial lateral velocity, which imparts a roll torque to the same direction of initial roll velocity. In summary, our models provide the first analytical approximation of the six-degree-of-freedom flight dynamics, which is important in both studying the control strategies of the flying insects and designing the controller of the future flapping-wing micro air vehicles (MAVs).
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Almarinez, Billy Joel Mondragon. "Biological control of invasive pest species in the Philippines: The case of coconut scale insect,Aspidiotus rigidus". W 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.94609.

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Zuccarello, Jeremy, David Saltzman, Stephen Lynch, Shane Haydt i Christopher Whitfield. "A Steady Transonic Linear Cascade for True Scale Cooling Measurements". W ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-14269.

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Abstract The design and benchmarking measurements for a steady, transonic linear cascade for film cooled airfoils are presented. The facility holds up to 11 true scale turbine airfoils with high span to chord ratio for two-dimensional flow at the airfoil midspan. Mainstream air is continuously supplied by a compressor, while desiccant dried air is used as the cooling flow to match coolant-to-mainstream density ratios. The cooling system supplies three airfoils, each with independent circuits, to enable parametric studies of cooling with periodicity for central airfoils. Independent Mach and Reynolds number control at steady conditions is achieved by using control valves and a bypass loop. Incidence angle studies can be performed by using a turntable and modular guide wall system. Optical windows include a zinc selenide window for spatially resolved surface temperature measurements using infrared thermography, as well as glass windows for flowfield measurements using laser-based diagnostics. The infrared camera setup enables a 360 degree view around the surface of the central airfoil. For laser-based diagnostics, laser sheets can be delivered to the central airfoil through glass inserts in the guidewalls. Current benchmarking results include static pressures on the blade surface and endwall, inlet boundary layer, and freestream turbulence measurements at various Mach numbers, Reynolds numbers, and incidence angles. Results indicate excellent periodicity over a wide range of conditions. Near term work in the facility will investigate film cooling at transonic conditions for a representative modern blade geometry.
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