نتایج جستجو برای: acacia tree
تعداد نتایج: 174034 فیلتر نتایج به سال:
Prspopis Juliflora and acacia Acacia victoriae species of precious and semi-arid and arid regions that are compatible with wood and charcoal production, soil conservation, forage production and medicinal value are very important and acacia, and stimulated their germination has been studied. Treatments used to overcome seed dormancy were treated with concentrated sulfuric acid 98% (H2so4), 15 mi...
ذخیره‌سازی در فراسرد یا C°196- روشی جدید و بسیار کارآمد در نگهداری بلندمدت ژرمپلاسم گونههای گیاهیست. با استفاده از روش فراسرد می‌توان بذر، اندام رویشی، سلول و دانه گرده گیاهان را برای بلندمدت نگهداری و در صورت بروز هر گونه تهدید یا خطر انقراض نسبت به بازگشت و احیاء گونه اقدام کرد. در شرایط فراسرد، اغلب فعالیتهای متابولیکی سلول تقریباً متوقف و طول مدت نگهداری بطور چشمگیری افزایش می‌یابد. ب...
Nitrogen availability and tree species selection play important roles in reforestation. However, long-term field studies on the effects and mechanisms of tree species composition on N transformation are very limited. Eight years after tree seedlings were planted in a field experiment, we revisited the site and tested how tree species composition affects the dynamics of N mineralization and nitr...
Novel species of fungi described in this study include those from various countries as follows: Antarctica: Cadophora antarctica from soil. Australia: Alfaria dandenongensis on Cyperaceae, Amphosoma persooniae on Persoonia sp., Anungitea nullicana on Eucalyptus sp., Bagadiella eucalypti on Eucalyptus globulus, Castanediella eucalyptigena on Eucalyptus sp., Cercospora dianellicola on Dianella sp...
Pollen from the Acacia has been reported as an important source of pollinosis in tropical and subtropical regions of the world. The aim of this study was to characterize the IgE binding protein of Acacia farnesiana pollen extract and evaluate cross-reactivity with the most allergenic pollens. In this study, pollen extract was fractionated by SDS-PAGE and the allergenic profile was determined by...
Exploiters of protection mutualisms are assumed to represent an important threat for the stability of those mutualisms, but empirical evidence for the commonness or relevance of exploiters is limited. Here, I describe results from a manipulative study showing that an orb-weaver spider, Eustala oblonga, inhabits an ant-acacia for protection from predators. This spider is unique in the orb-weaver...
The aim of this study is to determine the effect of methanol crude leaves extract and aqueous fraction of Acacia nilotica on liver enzymes and lipid profiles of alloxan induced diabetic Wistar rats. Diabetes was induced by a single intraperitoneal injection of alloxan dissolved in 0.9%v/v cold normal saline solution at a dose of 150 mg/kg body weight, after which the rats were randomly divided ...
Xanthomonas axonopodis punicae is the causative agent of Bacterial blight of Pomegranate that is known to cause yield loss up to 70-90%. The primary disease management method involves mainly use of chemical pesticides. In present investigation the antibacterial activity of extracts of Acacia nilotica, Datura metel, cow urine and butter milk against Xanthomonas axonopodis punicae was studied by ...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید