نتایج جستجو برای: azotobacter chroococcum و piriformospora indica
تعداد نتایج: 772644 فیلتر نتایج به سال:
Microbial communities in rhizosphere interact with each other and form a basis of a cumulative impact on plant growth. Rhizospheric microorganisms like Piriformospora indica and Azotobacter chroococcum are well known for their beneficial interaction with plants. These features make P. indica/A. chroococcum co-inoculation of crops most promising with respect to sustainable agriculture and to und...
کمبود عنصر روی از شایع ترین کمبودهای عناصر غذایی در گیاهان است که به طور گسترده بر تولید غلات و به ویژه گندم تأثیر می گذارد. افزایش سطح گونه های فعال اکسیژن (ros) و کاهش کارایی سیستم های سمیت زدایی ممکن است از دلایل اصلی آسیب به عملکردهای مختلف بافت سلولی گیاهان دچار کمبود روی باشند. بخش وسیعی از زمین های زیر کشت گندم ایران در مناطق خشک و نیمه خشک دچار کمبود روی می باشند، بنابراین، افزایش توان ...
کمبود روی از شایعترین کمبودهای عناصر غذایی در گیاهان است که موجب کاهش شدید رشد و عملکرد آنها میشود. افزایش سطح گونههای فعال اکسیژن (ros) و کاهش کارایی سیستمهای سمیتزدایی ممکن است از دلایل اصلی آسیب به عملکردهای بافت سلولی گیاهان دچار کمبود روی باشند. در این تحقیق، تأثیر تلقیح انفرادی و همزمان قارچ اندوفایت piriformospora indica و باکتری azotobacter chroococcum بر ویژگیهای بیوشیمیایی، فعال...
Quantitative N,N,N',N'-tetramethyl-p-phenylenediamine (TMPD) oxidase and superoxide dismutase (SOD) analyses were performed on representative organisms of the family Azotobacteraceae. Azotobacter vinelandii, Azotobacter chroococcum, Azotobacter paspali, and Derxia gummosa exhibited high quantitative TMPD oxidase activities, and their extracts possessed very active and electrophoretically homoge...
Zinc (Zn) deficiency is one of the most widespread micronutrients deficiencies in plants that causes severe reduction in their growth and yield. An increase in reactive oxygen species (ROS) levels and a decrease in efficiency of detoxification mechanisms may be the major reasons for impairment of various cellular functions in Zn-deficient plants. This study was conducted in order to investigate the...
In our endeavor to improve the nitrogen fixation efficiency of a soil diazotroph that would be unaffected by synthetic nitrogenous fertilizers, we have deleted a part of the negative regulatory gene nifL and constitutively expressed the positive regulatory gene nifA in the chromosome of Azotobacter chroococcum CBD15, a strain isolated from the local field soil. No antibiotic resistance gene or ...
Piriformospora indica, a member of basidiomycota is an axenically cultivable endophytic fungus which exerts plant growth promoting effects on its host plant. P. indica is known to produce α-amylase and protease. Since the organism exhibits beneficial role in plant growth promotion, achieving high biomass is immensely essential. Hence to enable the commercial production, screening of medium comp...
This study was carried out at the forest nursery of Department of Forestry, Faculty of Agriculture and Regional Research Station, Wadura SKUAST-K, Sopore, Kashmir during 2006 and 2007 to examine the role of live biofertilizers in litter decomposition and nutrient release in Salix fragilis under natural Salix stands. The experiment was laid in completely randomised design with three replications...
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