نتایج جستجو برای: genotypes viid

تعداد نتایج: 56062  

Alt Jafarby, Jabar, Hosseinpour, Tahmasp, Karimizadeh, Rahmatollah, Keshavarzi, Kavoos, Shahbazi, Kamal, Sharifi, Peyman,

Durum wheat (Triticum turgidum L.), like most other crops, is affected by various stresses. Therefore, cultivars that, in addition to the ability to produce higher yields, can maintain their yield potential in different years and locations are considered superior cultivars. In order to obtain high-yielding and stable genotypes of durum wheat, 16 lines with two control cultivars Dehdasht and Sey...

In order to determine the most effective indices for quantifying drought tolerance and identify genotypes that are tolerant to water stress in bread wheat, 50 bread wheat genotypes were compared in a randomized complete block design with three replications under both the non-stress dry farming with two complementary irrigation and the water stress dry farming conditions in Khorramabad, Iran. An...

Journal: :Phytopathology 2010
Avijit Roy G Ananthakrishnan John S Hartung R H Brlansky

The emerging diversity of Citrus tristeza virus (CTV) genotypes has complicated detection and diagnostic measures and prompted the search for new differentiation methods. To simplify the identification and differentiation of CTV genotypes, a multiplex reverse-transcription polymerase chain reaction (RT-PCR) technique for the screening of CTV isolates was developed. Variable regions within the o...

ابراهیمی, اسماعیل , ایمانی, علی , شیران, بهروز , موسوی, سید صادق , هوشمند , سعداله ,

Early flowering and frost in native genotypes are among causes of reduction in almond production in most years. Therefore, a proper understanding of the resistance mechanisms is necessary for developing varieties with high quality and resistant to frost. In this research, four different genotypes were selected out of 40 genotypes based on flowering time and resistance to frost, including late f...

Extended Abstract Introduction and Objective: Drought stress as one of the most important abiotic stress is the main limiting factor of oilseed rape cultivation in arid and semi-arid climates. Therefore, the identification of drought tolerant genotypes is the essential programs in these regions. One of the appropriate methods to identify drought tolerant genotypes is the use of stress toleranc...

To identify genotypes tolerant to drought stress in rice germplasm, a factorial pot experiment was carried out in the form of a completely randomized design with three replications and 70 rice genotypes originating from Central and West Asian countries in non-stress and drought-stress conditions at the Rice Research Institute of Iran, Rasht, north of Iran, in 2019. Based on the results of this ...

Journal: :journal of agricultural science and technology 2010
a. sanjari pireivatlou a. yazdansepas

the responses of yield and yield components of 24 advanced bread wheat genotypes to pre- and post-anthesis drought stress conditions were studied at ardabil agricultural re-search station during the 1997-2000 cropping seasons. results showed that genotypes produced significantly lower spikes no./m2, seeds no./spike and grain yield under pre- than in post-anthesis drought stress conditions. howe...

Journal: :پژوهش های زراعی ایران 0
احمد نظامی حمید رضا خزاعی فرزاد حسین پناهی سید فاضل فاضلی کاخکی

lentil (lens culinaris. medik) is one of the major cool season pulse crops which could suffer damage under severe cold. some physiological parameters such as electrolyte leakage (el) have been used to assess the response of crops to cold conditions. in order to evaluate the possibility of using the el index for assessing the freezing tolerance of lentil genotypes, a factorial experiment carried...

Journal: :Microorganisms 2023

Hepatitis B virus (HBV) genotypes E to J are understudied genotypes. Genotype is found almost exclusively in West Africa. Genotypes F and H America rare other parts of the world. The distribution genotype G not completely known. I Asia probably result from recombination events with number reported sequences for HBV small compared genotypes, which could impact phylogenetic pairwise distance anal...

Drought stress is one of the most important environmental stresses that have limited the production of wheat, especially in arid and semi-arid regions of the world. To recognize drought tolerant rain-fed wheat genotypes and to determine the best tolerance/susceptibility indices, a study was conducted at the Agricultural Research Station of Miandoab for two cropping years (2013-15). The experime...

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