نتایج جستجو برای: the dry weight of shoot and root

تعداد نتایج: 25037952  

Journal: :پژوهش های زراعی ایران 0
مرتضی گلدانی مریم کمالی

drought is one of the important environmental stresses that reduce the crop growth. oxidative stress is a secondary stress due to drought and other abiotic stresses. in order to study the effect of exogenous application of hydrogen peroxide on drought tolerance of glob amaranth (gomphrena globosa l.), an experiment was conducted in greenhouse conditions. this study was designed as factorial bas...

Journal: :بوم شناسی کشاورزی 0
معصومه تاجیک خاوه ایرج اله دادی جهانفر دانشیان امید آرمند پیشه

in order to evaluate the effects of biofertilizer on soybean (glycine max l.) seed vigor that produced under water deficit condition and related traits, an experiment was conducted in a factorial layout based of complete randomized block design with four replications at the research greenhouse of aboureihan campus- tehran university, iran. experimental treatments were include biofertilizer (see...

Journal: :پژوهش های زراعی ایران 0
سمیه فرودل رضا صدرآبادی حقیقی سید محسن نبوی کلات

a pot experiment laid out in factorial arranged in completely randomized design with three replications was implemented to evaluate the effects of seed priming in ameliorating salinity stress in sesame (sesamum indicam l.) during seedling development and the early vegetative growth. factors included five priming treatments : control (non priming) , hydropriming, halopriming with nacl, kcl , cac...

رضائی, عبدالمجید , صبوری, حسین , مؤمنی, علی ,

In order to study the genetic diversity of 75 Iranian rice genotypes (45 Iranian land race, 25 improved cultivars, and 5 exotic cultivars) with respect to their salinity tolerance at seedling stage and to determine tolerance indices, based on biomass, genotypic code and Na+/K+ ratio a factorial experiment in randomized complete block design with three replications was conducted under control an...

The aim of this study was to evaluate the effect of different levels of soil moisture at irrigation time on root growth, yield and water use efficiency of greenhouse cucumber (Cucumis sativus L.), Yalda cultivar. The experiment was conducted in a randomized complete block design with six treatments and three replications in Isfahan Greenhouse Research Center in 2016. These experimental treatmen...

Journal: :آب و خاک 0
الهام ملک زاده حسینعلی علیخانی غلامرضا ثواقبی فیروزآبادی مهدی زارعی

abstract in this study, interaction between amf (g. mosseae and glomus spp., respectively indigenous and non-indigenous of hm-contaminated areas) with cd-resistant pgprs (bacillus mycoides and micrococcus roseus, indigenous of contaminated areas) on the growth, cd and nutrient uptake of maize plant (zea mays l.) in cd polluted soil were investigated. with increasing levels of cd, shoot and root...

Journal: :علوم باغبانی 0
معصومه عباسی عبدالرسول ذاکرین مختار حیدری

abstract mango is one of the most important tropical fruits in iran and salinity is an important problem to mango production in ‘hormozgan’ province and other mango growing areas in iran. at present experiment the effects of saline irrigation water of different sodium chloride concentration on vegetative growth and ion content of mango was evaluated. treatments comprised two type of cultivars (...

Journal: :مرتع و آبخیزداری 0
مجتبی اخوان ارمکی دانشجوی دکتری مرتعداری، دانشکدة منابع طبیعی دانشگاه تهران حسین آذرنیوند دانشیار منابع طبیعی دانشگاه تهران محمد حسن عصاره استاد مؤسسة تحقیقات جنگ لها و مراتع کشور علی اشرف جعفری دانشیار مؤسسة تحقیقات جنگ لها و مراتع کشور علی طویلی دانشیار دانشکدة منابع طبیعی دانشگاه تهران

environmental stress especially drought is one of the most important factors to reduce and disturbance in different stages of floral growth especially sprouting in dry and semi-dry lands of iran. for this purpose a factorial essay executed in accidentally manner with four iterations in vitro condition. four genotypes of bromus tomentellus pasture types were used (92 tehran, 630 kordestan, 3414 ...

ژورنال: علوم آب و خاک 2008
رضائی, عبدالمجید , صبوری, حسین , مؤمنی, علی ,

In order to study the genetic diversity of 75 Iranian rice genotypes (45 Iranian land race, 25 improved cultivars, and 5 exotic cultivars) with respect to their salinity tolerance at seedling stage and to determine tolerance indices, based on biomass, genotypic code and Na+/K+ ratio a factorial experiment in randomized complete block design with three replications was conducted under control an...

Journal: :مدیریت خاک و تولید پایدار 0
حسین بشارتی هیات علمی صلاح الدین مرادی .

drought, high and low tempratures are the most important abiotic stresses in chickpea cultivation. improving plant root characteristics (root length and root volume) is one of the ways to increase drought tolerance in chickpea. mycorrhizal symbiosis increases drought resistance of host plants through different mechanisms. to study the effects of water stress and mycorrhizal fungi inoculation on...

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