نتایج جستجو برای: number of seeds per spike

تعداد نتایج: 21191322  

In recent years, special attention has been paid to the consumption of plant growth stimulants such as amino acids and humic acids along with micronutrients to adjust the effects of abnormal environmental conditions such as untimely cold or salinity and drought stress in grain production programs. In order to investigate the effect of growth enhancers on compensating for the lack of transport a...

Journal: :journal of plant physiology & breeding 2012
yaser zanganeh asadabadi manoochehr khodarahmi sayed mahmoud nazeri abdollah mohamadi sayed ali peyghambari

abstract in order to study the inheritance of grain yield and its components in bread wheat, two cultivars, karchyya(drought and salinity tolerant) and gaspard (sensitive to drought and salinity stress) were crossed.parents together with f1, f2, f3, bc1and bc2 generations were evaluated using a randomized complete block design with three replications in 2008-2009 growing season.grain weight per...

Journal: :پژوهش های زراعی ایران 0
معصومه حاجی پور علی راحمی کاریزکی حسین صبوری حسین علی فلاحی

introduction barely (hordeum vulgare) is the fourth most important cereal after wheat, corn and rice. regarding the role of breeding to increase barley grain yield a large number of studies have been done in different countries. however, a few studies have been performed across golestan province, in iran. therefore, this study was conducted to know what barley traits have changed with grain yie...

Journal: :تولید گیاهان زراعی 0

with increasing the world population, and needing to feed it, the yield enhancement of cereals crops is of the most important approaches meet this target, which is achieved via identifying the effective factors underlay yield of cereals like wheat. this experiment was conducted to evaluate the grain yield and its association with some contributed traits in a doubled-haploid (dh) wheat populatio...

ژورنال: علوم آب و خاک 2005
قدرت اله سعیدی, , عبدالمجید رضائی, , مهدی حسنی, ,

A diallel analysis of eight bread wheat (Ttriticum aestivum L.) cultivars was conducted to determine genetic parameters and the type of genetic control for yield and yield components. The parents and their F1 hybrids were evaluated in a randomized complete block design with 3 replications. General and specific combining ability effects were estimated by the method 2 of the Griffings model I, an...

Among the crops, cereals have been special important and triticale is the most successful man made cereal. In present research, water deficit stress effects on 19 triticale genotypes (X Triticosecale wittmack) and two wheat cultivars (Triticum aestivum), Shiraz (sensitive to water deficit stress) and Kavir (tolerant to water deficit stress) were tested. Therefore, two separate field experiments...

قدرت اله سعیدی, , عبدالمجید رضائی, , مهدی حسنی, ,

A diallel analysis of eight bread wheat (Ttriticum aestivum L.) cultivars was conducted to determine genetic parameters and the type of genetic control for yield and yield components. The parents and their F1 hybrids were evaluated in a randomized complete block design with 3 replications. General and specific combining ability effects were estimated by the method 2 of the Griffings model I, an...

Journal: :پژوهش های زراعی ایران 0

in order to study the sink-source physiological relationship, current photosynthesis, contribution and remobilization of assimilates to grain yield in wheat and triticale genotypes, a field experiment was conducted in iran, ahvaz area on 2003-4. treatments were two bread wheat (simareh and tawer), one durum wheat (showa) and two triticale (juvanillo92 and line 45) genotypes. grain weight change...

In order to study the relationship between morphological and agronomic characteristics like grain yield in barley, and to obtain better knowledge of the effective attributes on barley, an experiment was conducted at the Agricultural Research Station of Ghachsaran in randomized complete block design with two replications on 18 barley lines. Results showed that some characteristics such as days t...

Journal: :journal of agricultural science and technology 0
a. barati department of plant breeding and biotechnology, faculty of agriculture, university of tabriz, islamic republic of iran. m. moghaddam department of plant breeding and biotechnology, faculty of agriculture, university of tabriz, islamic republic of iran. s. a. mohammadi department of plant breeding and biotechnology, faculty of agriculture, university of tabriz, islamic republic of iran. h. a. qhazvini seed and plant improvement institute, agricultural research, education and extension organization (areeo), karaj, iran. b. sadeghzadeh dryland agricultural research institute, agricultural research, education and extension organization (areeo), maragheh, iran.

salinity tolerance is a genetically and physiologically complex trait, controlled by quantitative trait loci (qtls). in order to map the qtls associated with agronomic and physiological traits, 149 doubled haploid lines derived from a cross between clipper (salt susceptible) and sahara 3771 (salt tolerant) barley genotypes were evaluated under natural saline-stress and non-stress conditions usi...

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