نتایج جستجو برای: acacia victoriae
تعداد نتایج: 4034 فیلتر نتایج به سال:
Mycorrhizal technology was applied for reclamation of saline wasteland of Indian Thar Desert. For this purpose an exotic tree species Acacia colie an endemic legume of Australia was selected. Studies revealed increased biomass production and nutrient uptake of Acacia collie by native AM fungi. Different AM fungi showed their variation towards response to this tree species. However, AM fungi res...
بهمنظور بررسی مناسبترین فاصله کاشت سهگونه از نیامداران درختی و درختچهای در حالتهای خالص و آمیخته، این پژوهش در بهمن ماه سال 1379 بر روی تپههـــای ماسهای و ماسهزار بستان بهمدت پنج سال در شرایط بدون آبیاری بهاجرا درآمد. انتخاب گونهها با توجه به «چند منظوره بودن» آنها از نظر تغذیه دام، تقویت و حفاظت خاک در عرصههای ماسهزار و در عین حال سازگار با شرایط دیم در این عرصهها انجام گرفت. در ا...
Present experiments were conducted to determine the possibility of artificial culture with various sawdust of P. gilvus. The pH value was 6.0 of oak sawdust, 6.5 of mulberry sawdust, 6.6 of elm sawdust, 6.3 of acacia sawdust and 6.1 of apple tree sawdust. Mycelial density on elm sawdust and acacia sawdust were lower than those of oak sawdust, and apple sawdust. Weight of fresh fruiting body sho...
Production and properties of charcoal from four years old Acacia assak, A. negrii, A. seyal, A. karroo, A. ampliceps, A. stenophylla and A. salicina grown in the Experiments and Research Station, College of Agriculture, King Saud University, Riyadh, Saudi Arabia were studied. The first three species are indigenous while the others are exotic. 21 trees were felled and disks of 20 cm each from th...
Three closely related oRUulosic q l i c latex 6ims were prepared employing acacia pulp fibers, cellulose whiskers and daclocellulose balls and their respective strength properties were determined. Wulose whisker reinforced composites had &md stl.ength properties compGired to the acacia pulp and nanoball composites. APM analysis indicated that the d u b w h i s h &or& composite exhibited d e c r...
By applying a fed-batch strategy, production of Penicillium occitanis mannanases could be almost doubled as compared to a batch cultivation on acacia seeds (76 versus 41 U/mL). Also, a 10-fold increase of enzyme activities was observed from shake flask fermentation to the fed-batch fermentation. These production levels were 3-fold higher than those obtained on coconut meal. The high mannanase p...
Obligate Acacia ant plants house mutualistic ants as a defense mechanism and provide them with extrafloral nectar (EFN). Ant/plant mutualisms are widespread, but little is known about the biochemical basis of their species specificity. Despite its importance in these and other plant/animal interactions, little attention has been paid to the control of the chemical composition of nectar. We foun...
The polysaccharide exuded by Acacia decurrens trees contains residues of D-galactose , LArabinose , L-Fucose and Dglucuronic acid. An examination of the OMethyl derivatives of the gum yields 2,3,4,6 tetra –O-methyl –D-galactose, 2,3 –di-O-Methyl –L-arabinose , 2,3,4-triO-methyl-D-galactose, 2,4-di-O-methyl-D-galactose together with 2,3,4 tri-O-methyl-Dglucuronic acid by acid hydrolysis. The deg...
Synbiotics offer potential in the prophylactic management of gastrointestinal disorders. Therefore, present study evaluates the effect of prebiotics (inulin and gum acacia) on Lactocaillus plantarum for developing a freeze-dried synbiotic product from the selected culture. L. plantarum exhibited the highest specific growth rate (0.23/h) in presence of inulin followed by gum acacia (0.22/h) and ...
The genus Platymessa Mello-Leitão, 1941 is represented by two species in the Andes of Colombia: P. h-inscriptum Mello-Leitão, 1941 and P. ectroxantha Mello-Leitão, 1941. Platymessa victoriae Pinzón-M. & Townsend, sp. n. is described on the basis of somatic morphological characters and the structure of the penis. The placement of this new species in the genus Platymessa is based upon multiple ch...
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