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Статті в журналах з теми "Acacia stenophylla"

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Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 29 січня 2023

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Abbas, Ghulam, Muhammad Saqib, Javaid Akhtar, and Ghulam Murtaza. "Physiological and biochemical characterization of Acacia stenophylla and Acacia albida exposed to salinity under hydroponic conditions." Canadian Journal of Forest Research 47, no. 9 (September 2017): 1293–301. http://dx.doi.org/10.1139/cjfr-2016-0499.

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Martin, C. A., and S. Bhattacharya. "GROWTH OF FOUR SOUTHWESTERN LANDSCAPE TREES IN CUPRIC-HYDROXIDE-PAINTED NURSERY CONTAINERS." HortScience 31, no. 3 (June 1996): 325b—325. http://dx.doi.org/10.21273/hortsci.31.3.325b.

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Seedling liners of sweet acacia (Acacia smallii), shoestring acacia (Acacia stenophylla), palo brea (Cercidium praecox), and Chilean mesquite (Prosopis chilensis) were potted on 1 June 1993 into 27-liter (#5) black polyethylene containers filled with a 70% ponderosa pine forest mulch, 15% sand, and 15% silt (by volume) rooting medium. Just before potting, the inner wall of one-half of the containers of each species was painted with a latex paint impregnated with cupric hydroxide; the remaining containers were unpainted as a control treatment. Trees were then grown for 5 months in an outdoor container production nursery at a spacing distance of 45 cm. All trees were irrigated and fertilized according to standard nursery practices. The effect of cupric-hydroxide-painted containers (CHPC) on tree growth was species specific. Compared with nonpainted controls, CHPC caused roots to become more branched and decreased shoot lateral branch number and extension lengths of sweet acacia and shoestring acacia. CHPC also decreased height of shoestring acacia, but did not affect height of sweet acacia or root and shoot dry weight of sweet acacia and shoestring acacia. Shoot and root dry weight, height, and shoot lateral branch number and extension lengths of Chilean mesquite in CHPC were all increased compared with nonpainted controls. CHPC did not affect root branching of Chilean mesquite. Also, CHPC did not affect any measured growth variable of palo brea.

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Martin, Chris, and Sheila Bhattacharya. "Effects of Cupric Hydroxide-Treated Containers on Growth of Four Southwestern Desert Landscape Trees." Arboriculture & Urban Forestry 21, no. 5 (September 1, 1995): 235–38. http://dx.doi.org/10.48044/jauf.1995.038.

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Seedling liners of four southwestern desert landscape trees, Acacia smallii, Acacia stenophylla, Cercidium praecox, and Prosopis chilensis, were potted into black polyethylene containers either painted on the inner wall with a latex paint containing cupric hydroxide [Cu(OH)2] or unpainted. Tree seedlings were then grown for five months in an outdoor container production nursery and evaluated for effects of Cu(OH)2-treated containers on tree growth. No foliar copper toxicity symptoms were observed on any species during the study. In comparison with unpainted containers, Cu-treated containers increased root branching frequency, reduced shoot extension, and lowered the number of primary shoot lateral branches of sweet acacia and shoestring acacia. Cu-treated containers also decreased height of shoestring acacia. Chilean mesquite grew taller and larger with increased shoot and root dry weights in Cu-treated containers in comparison with those in unpainted containers. However, effects of Cu-treated containers on growth of Chilean mesquite were not related to any changes in root branching frequency. Growth of palo brea and root-to-shoot ratios of all four tree species were not affected by Cu-treated containers.

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Sayad, E., S. M. Hosseini, V. Hosseini, and M. H. Salehe-Shooshtari. "Soil macrofauna in relation to soil and leaf litter properties in tree plantations." Journal of Forest Science 58, No. 4 (April 27, 2012): 170–80. http://dx.doi.org/10.17221/58/2011-jfs.

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Soil communities exert strong influences on the processing of organic matter and nutrients. Plantations of trees, especially of nitrogen fixing ones, may affect the soil macrofauna through litter quality and quantity. This study was conducted in a randomized block design with three blocks consisting of Populus euphratica, Eucalyptus camaldulensis, Eucalyptus microtheca, Acacia farnesiana, Acacia salicina, Acacia saligna, Acacia stenophylla and Dalbergia sissoo monoculture plantations that were established in 1992. Soils and soil macrofauna were sampled in November 2006. Leaf litterfall was collected from November 2006 to November 2007 at bi-weekly intervals. Macroinvertebrate abundance and biomass were consistently higher in A. salicina plantations than in the others, whereas they were lowest in E. camaldulensis. Tree species and nitrogen fixing trees significantly influenced the soil macrofauna richness. The results suggest that the earthworm distribution is regulated by leaf litter quality (Ca, C and N) whereas the macrofauna richness is regulated by leaf litter mass, soil organic carbon and leaf litter Mg. Totally, it was revealed that the tree species clearly affected macrofauna whereas nitrogen fixation did not.  

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Murray, Bruce F., Michael A. Reid, Samantha J. Capon, Martin Thoms, and Shu‐Biao Wu. "Gene flow and genetic structure in Acacia stenophylla (Fabaceae): Effects of hydrological connectivity." Journal of Biogeography 46, no. 6 (May 2, 2019): 1138–51. http://dx.doi.org/10.1111/jbi.13566.

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Hoque, Mohammad S., Linda M. Broadhurst, and Peter H. Thrall. "Genetic characterization of root-nodule bacteria associated with Acacia salicina and A. stenophylla (Mimosaceae) across south-eastern Australia." International Journal of Systematic and Evolutionary Microbiology 61, no. 2 (February 1, 2011): 299–309. http://dx.doi.org/10.1099/ijs.0.021014-0.

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Symbiotic relationships between legumes and nitrogen-fixing soil micro-organisms are of ecological importance in plant communities worldwide. For example, nutrient-poor Australian soils are often dominated by shrubby legumes (e.g. species of Acacia). However, relatively few studies have quantified patterns of diversity, host-specificity and effectiveness of these ecologically important plant–microbe interactions. In this study, 16S rRNA gene sequence and PCR-RFLP analyses were used to examine bacterial strains isolated from the root nodules of two widespread south-eastern Australian legumes, Acacia salicina and Acacia stenophylla, across nearly 60 sites. The results showed that there was extensive genetic diversity in microbial populations, including a broad range of novel genomic species. While previous studies have suggested that most native Australian legumes nodulate primarily with species of the genus Bradyrhizobium, our results indicate significant associations with members of other root-nodule-forming bacterial genera, including Rhizobium, Ensifer, Mesorhizobium, Burkholderia, Phyllobacterium and Devosia. Genetic analyses also revealed a diverse suite of non-nodulating bacterial endophytes, only a subset of which have been previously recorded. Although the ecological roles of these endosymbionts are not well understood, they may play both direct and indirect roles in promoting plant growth, nodulation and disease suppression.

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Abdelsalam, Nader R., Hayssam M. Ali, Mohamed Z. M. Salem, and Hosam E. El-Wakil. "Quantitative and Qualitative Genetic Studies of Some Acacia Species Grown in Egypt." Plants 9, no. 2 (February 13, 2020): 243. http://dx.doi.org/10.3390/plants9020243.

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The objective of the current work is to study the genetic differentiation between Acacia species growing in Egypt as plant genetic resources based on morphological, biochemical, and molecular markers. The 20 replicates of Acacia tree collected from four localities from Egypt were A. tortilis ssp. raddiana and A. farnesiana (Siwa Oasis and Borg El-Arab City), A. stenophylla, A. sclerosperma (Marsa Matroh City), and A. saligna (Abis Station Farm, Alexandria). The results based on the previous markers indicated highly significant differences between Acacia species, confirming the hypothesis of the possibility of using morphological, biochemical, and molecular parameters in species identification. Qualitative characteristics results indicated some similarities and differences that are taxonomically important for comparing taxonomical grouping with morphological data for the genetic description of Acacia species. The activities of antioxidant enzymes have been studied intensively and the results provide strong similarities between the Acacia species (69%), between A. raddiana (Siwa and Borg Al-Arab) and A. saligna, followed by all Acacia species (50%). Finally, the molecular studies showed that a total of 563 amplification fragments, 190 fragments were monomorphic, and 373 fragments were polymorphic. The highest number of amplification fragments (21) was detected with OPB-20 primer, while OPA-20 showed seven amplification fragments; the average number was 13.09. The results indicated that Acacia species exhibit high genetic differentiation, helpful in the future for genetic improvement programs. The novelty of the current study is highlighting the importance of plant genetic resources in Egypt and using different techniques to measure the differentiation between these species.

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Joseph, Shanthi, Mrinal Bhave, Joseph T. Miller, and Daniel J. Murphy. "Rapid Identification of Acacia Species With Potential Salt Tolerance by Using Nuclear Ribosomal DNA Markers." Sustainable Agriculture Research 2, no. 4 (August 22, 2013): 77. http://dx.doi.org/10.5539/sar.v2n4p77.

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Use of saline lands for agroforestry relies primarily on plant species that have the trait of salinity tolerance, and also other economic and agronomic benefits. The selection of species, however, also needs to consider other key factors such as compatibility with existing flora, and potential for environmental benefits such as improved soil fertility or lowering of the water table in the case of dryland salinity. The testing of candidate species in particular environments needs substantial investments of costs and time. In this paper, a novel approach is presented for the rapid identification of potentially salt tolerant Acacia species, based on molecular phylogenetic analysis. The approach has been applied to four species groups, Acacia pendula, A. salicina, A. victoriae and A. stenophylla. The nuclear-encoded ribosomal DNA internal and external transcribed spacer (ITS and ETS) regions were used as markers, and phylogenetic analyses undertaken to identify closely related species that may share the salt tolerance traits. Such a methodology could be used to more rapidly identify candidate native species for agroforestry in salinity-affected regions and for preventing further expansion of salinity, thus assisting in biodiversity conservation.

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Marcar, N. E., D. F. Crawford, A. K. M. A. Hossain, and A. T. Nicholson. "Survival and growth of the tree species and provenances in response to salinity on a discharge site." Australian Journal of Experimental Agriculture 43, no. 11 (2003): 1293. http://dx.doi.org/10.1071/ea02192.

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The survival and growth of 24 native tree species planted in 2 trials on a saline discharge site, which had a soil salinity gradient as well as watertable depth and salinity, near Wellington in central-west New South Wales were investigated. Several provenances of some species (including Acacia stenophylla, Eucalyptus camaldulensis and E. spathulata) and clones of E. camaldulensis and E. spathulata, were also evaluated. Each accession was represented by a 5-tree row plot with 8 replications. Root-zone salinity (ECe 0–60 cm) at the tree and plot level was calculated from in situ measurements of bulk soil salinity using an EM-38 device (Geonics, Canada). Growth measurements are reported at 72 (trial 1) and 61 months (trial 2) after planting. For each trial, 4 replicates were classified as either non-saline (mean ECe <2 dS/m) or saline (ECe range from about 6 to 10 dS/m). Watertable depths varied from 0 to 1.5 m (depending on season) in the saline areas to >4 m in the non-saline, upslope areas. Survival and growth differed significantly between species, provenances and clones in both trials and under both saline and non-saline conditions. For most accessions, trees survived and grew better under non-saline conditions. Under non-saline conditions A. mearnsii, E. camaldulensis and E. occidentalis performed best; for example, A.�mearnsii (16268) attained a mean height of 7 m and mean DBH of 11 cm at 61 months in trial 2. Under saline conditions, A. stenophylla, E. camaldulensis, E. occidentalis and E. spathulata performed best; for example, E.�occidentalis attained a height of 6.9 m height and 12.3 cm DBH after 61 months in trial 2. Responses of selected species to root-zone salinity are provided; significant differences were found between species with E. occidentalis and A. stenophylla showing no growth decline up to ECe of 10 dS/m, while most other species showed varying rates of decline with increasing salinity. Three years after thinning each trial, good coppice regrowth was observed from cut stumps of all species except A. mearnsii and Melaleuca halmaturorum.

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Encinas‐Viso, Francisco, Christiana McDonald‐Spicer, Nunzio Knerr, Peter H. Thrall, and Linda Broadhurst. "Different landscape effects on the genetic structure of two broadly distributed woody legumes, Acacia salicina and A. stenophylla (Fabaceae)." Ecology and Evolution 10, no. 23 (October 31, 2020): 13476–87. http://dx.doi.org/10.1002/ece3.6952.

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Marcar, N. E., A. K. M. A. Hossain, D. F. Crawford, and A. T. Nicholson. "Evaluation of tree establishment treatments on saline seeps near Wellington and Young in New South Wales." Australian Journal of Experimental Agriculture 40, no. 1 (2000): 99. http://dx.doi.org/10.1071/ea99085.

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The success of tree establishment on both saline and non-saline sites is dependent on the use of appropriate pre- and post-planting procedures. The 4 trials reported here on 2 dryland saline sites, near Wellington and Young in New South Wales, deal with the individual and combined effects of mulch, fertiliser, tree guards and pre-conditioning with salt and waterlogging, alone and in combination, on survival and growth of Acacia stenophylla, Atriplex nummularia, Casuarina cunninghamiana, Eucalyptus camaldulensis and Melaleuca halmaturorum. Each trial included 1 or more of these species. Soil salinity was assessed at the plot level using a hand-held electromagnetic induction device (EM38). Treatments had variable effects, depending on species, site, experiment and treatment combinations. Mulch application significantly improved height in 2 trials and, in combination with plastic guard and fertiliser, produced the best results. Treatments generally increased basal stem diameter or stem diameter at breast height, and crown volume, but the differences were usually not statistically significant. The combined effect of mulch, fertiliser and plastic guard on growth was usually greater than any single treatment.

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Shah, Dawood, Arshad Iqbal, Fahad S. Alshehri, Aman Ullah, Gowhar Ali, Tahir Muhammad, Rahim Ullah, Robert D. E. Sewell, and Yusuf S. Althobaiti. "The Neuroprotective Propensity of Organic Extracts of Acacia stenophylla Bark and Their Effectiveness Against Scopolamine-/Diazepam-Induced Amnesia in Mice." Journal of Inflammation Research Volume 15 (August 2022): 4785–802. http://dx.doi.org/10.2147/jir.s376242.

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Higgisson, William, Dianne Gleeson, Linda Broadhurst, and Fiona Dyer. "Genetic diversity and gene flow patterns in two riverine plant species with contrasting life-history traits and distributions across a large inland floodplain." Australian Journal of Botany 68, no. 5 (2020): 384. http://dx.doi.org/10.1071/bt20074.

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Gene flow is a key evolutionary driver of spatial genetic structure, reflecting demographic processes and dispersal mechanisms. Understanding how genetic structure is maintained across a landscape can assist in setting conservation objectives. In Australia, floodplains naturally experience highly variable flooding regimes that structure the vegetation communities. Flooding plays an important role, connecting communities on floodplains and enabling dispersal via hydrochory. Water resource development has changed the lateral-connectivity of floodplain-river systems. One possible consequence of these changes is reduced physical and subsequent genetic connections. This study aimed to identify and compare the population structure and dispersal patterns of tangled lignum (Duma florulenta) and river cooba (Acacia stenophylla) across a large inland floodplain using a landscape genetics approach. Both species are widespread throughout flood prone areas of arid and semiarid Australia. Tangled lignum occurs on floodplains while river cooba occurs along rivers. Leaves were collected from 144 tangled lignum plants across 10 sites and 84 river cooba plants across 6 sites, on the floodplain of the lower and mid Lachlan River, and the Murrumbidgee River, NSW. DNA was extracted and genotyped using DArTseq platforms (double digest RADseq). Genetic diversity was compared with floodplain-river connection frequency, and genetic distance (FST) was compared with river distance, geographic distance and floodplain-river connection frequency between sites. Genetic similarity increased with increasing floodplain-river connection frequency in tangled lignum but not in river cooba. In tangled lignum, sites that experience more frequent flooding had greater genetic diversity and were more genetically homogenous. There was also an isolation by distance effect where increasing geographic distance correlated with increasing genetic differentiation in tangled lignum, but not in river cooba. The distribution of river cooba along rivers facilitates regular dispersal of seeds via hydrochory regardless of river level, while the dispersal of seeds of tangled lignum between patches is dependent on flooding events. The genetic impact of water resource development may be greater for species which occur on floodplains compared with species along river channels.

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Maxwell, Adam, Samantha J. Capon, and Cassandra S. James. "Effects of flooding on seedling establishment in two Australian riparian trees with contrasting distributions;Acacia stenophyllaA. Cunn. ex Benth. andCasuarina cunninghamianaMiq." Ecohydrology 9, no. 6 (November 25, 2015): 942–49. http://dx.doi.org/10.1002/eco.1691.

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"Acacia stenophylla (river cooba)." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.2412.

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This datasheet on Acacia stenophylla covers Identity, Overview, Distribution, Biology & Ecology, Environmental Requirements, Uses, Management, Genetics and Breeding, Economics, Further Information.

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Higgisson, William, Breanna Reynolds, Yasmin Cross, and Fiona Dyer. "Seed germination requirements of an Australian semi-arid floodplain Acacia species, Acacia stenophylla." Marine and Freshwater Research, 2022. http://dx.doi.org/10.1071/mf21226.

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