نتایج جستجو برای: root colonization 888 percent and root height 6 and 11 percent

تعداد نتایج: 17034945  

Journal: :Nusantara bioscience 2022

Abstract. Kumar A, Tapwal A. 2022. Diversity of arbuscular mycorrhizal fungi and root colonization in Polygonatum verticillatum. Nusantara Bioscience 14: 53-63. (AMF) associated with verticillatum (L.) All. was investigated two sites Himachal Himalaya, India. A total 15 AMF species were isolated identified from the rhizosphere soil P. The spore density 1.48 ± 1.91 3.99 3.78 per 20 gram at site-...

رونقی, عبدالمجید, زارعی, مهدی, غلامی, لیلا, کریمیان, نجفعلی, یثربی, جعفر,

A greenhouse experiment was conducted to study the effect of zinc rates, arbuscular mycorrhiza and organic matter, on corn growth and micronutrients-uptake in a calcareous soil. Experimental design was factorial based on complete randomized design with 3 replications. Treatments consisted of 3 levels of Zn (0, 5 and 10 mg Zn/kg), 2 types of organic manure (sheep manure and municipal waste compo...

2005
Allen Hope Lloyd Coulter Douglas Stow David Melin

A study to determine whether root rot infestations can be detected using high spatial resolution digital multispectral video (DMSV) data was conducted in the Imperial Valley of California. DMSV data were collected on two dates over 25 fields during the summer of 1999 using a light aircraft. The DMSV images included four spectral bands centered on 530 nm, 570 nm, 650 nm and 750 nm, with nominal ...

Journal: :به زراعی کشاورزی 0
عزیزاله خندان میرکوهی استادیار، گروه مهندسی علوم باغبانی و فضای سبز، دانشکده علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران-ایران فرزانه کاظمی دانشجوی سابق کارشناسی ارشد، گروه مهندسی علوم باغبانی و فضای سبز، دانشکده علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران- ایران مصباح بابالار استاد گروه مهندسی علوم باغبانی و فضای سبز، دانشکده علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران- ایران روح انگیز نادری استاد گروه مهندسی علوم باغبانی و فضای سبز، دانشکده علوم و مهندسی کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران- ایران

to evaluate the effect of limited application of nitrogen (n) on the height control of geranium(pelargonium hortorum) and improving its quality performance, an experiment was conducted based on acomplete randomized block design with three replications in the greenhouse environment through theyears 2011-2012. geranium seedlings were cultivated in the pots filled with peat-based substrate (peat, ...

Journal: :تحقیقات آب و خاک ایران 0
مهدی زارعی استادیار بخش علوم خاک دانشکدة کشاورزی دانشگاه شیراز زهرا پیمانه دانشجوی سابق کارشناسی ارشد بخش علوم خاک دانشکدة کشاورزی دانشگاه شیراز

a greenhouse experiment was performed in the framework of a completely randomized design and a factorial arrangement to evaluate the effect of arbuscular mycorrhizal fungi (amf) on growth and on root antioxidant enzyme changes of two citrus rootstocks (sour orange and rough lemon). the experimental factors were: mycorrhizal treatments at two levels (inoculation with glomus mosseae vs. control) ...

2002
Xiaomei Cheng Caroline S. Bledsoe

At three sites in a blue oak woodland in northeast California, we studied seasonal patterns of blue oak (Quercus douglasii Hook and Arn.) fine root (< 2 mm diameter) production and ectomycorrhizal (ECM) colonization using root ingrowth cores. In a short-term study, ingrowth cores were installed and harvested in 3-month intervals for one year. Oak fine root production was lower in fall and winte...

Journal: :به نژادی نهال و بذر 0
مهدی نصراصفهانی m. nasr esfahani agricultural and natural resources research center of isfahan, isfahan, iran.مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان منصوره حسینی کوپائی m. hosseini koupaee کرج

one of the growth limiting factors of onion plants is root and basal plate rot disease, caused by fusarium oxysporum f. sp. cepae. in this research, eight iranian onion genotypes, azarshahr red, ghom white, herssin, isfahan dorcheh, kashan white, nishabour ishaghabad, yazd abarkoh, zanjan gholigheseh and two commercial genotypes, texas erly grano and yellow sweet spanish were investigated. geno...

Journal: :حفاظت گیاهان 0
علیرضا پیرزاد وحید قاسمیان رئوف سید شریفی محمد صدقی هاشم هادی

allelopathic plants, because of reduction in herbicide uses, are important in weed management. the allelopathic effects of sage salvia officinalis and white wormwood artemisia sieberi water extract were evaluated on germination and seedling growth of redroot pigweed amaranthus retroflexus at concentration of 0, 5, 10, 15, and 20% in controlled conditions. anova revealed that the extract concent...

2017
Mostafa Khodadadi Hamid Dehghani Mokhtar Jalali Javaran

Enhancing water use efficiency of coriander (Coriandrum sativum L.) is a major focus for coriander breeding to cope with drought stress. The purpose of this study was; (a) to identify the predominant mechanism(s) of drought resistance in coriander and (b) to evaluate the genetic control mechanism(s) of traits associated with drought resistance and higher fruit yield. To reach this purpose, 15 h...

Journal: :به زراعی کشاورزی 0
مهدی نظریان کارشناس ارشد، گروه علوم باغبانی، دانشکدة کشاورزی، دانشگاه شهید باهنر کرمان، کرمان، ایران محمد جواد آروین استاد، گروه علوم باغبانی، دانشکدة کشاورزی، دانشگاه شهید باهنر کرمان، کرمان، ایران شیما حسن زاده فرد کارشناس ارشد، گروه علوم باغبانی، دانشکدة کشاورزی، دانشگاه شهید باهنر کرمان، کرمان، ایران

to investigate the effects of methyl jasmonate growth regulators on growth characteristics, fruit number and fruit yield of ‘semsuri’ melon, an experiment at the field of shahid bahonar university was conducted in summer 2012. melon (cv. ‘semsuri’) is widely cultivated in iran and therefore increasing the fruit yield and quality of this cultivar is necessary. some growth regulators including me...

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