نتایج جستجو برای: vigor
تعداد نتایج: 5125 فیلتر نتایج به سال:
Seedling vigor and regrowth ability are important traits for the forage production of winter wheat. The objectives this study were to map quantitative trait loci (QTL) associated with seedling using a genome-wide association mapping (GWAS). evaluated shoot length, number shoots per plant dry weight 45 days after planting 15 cutting. A large phenotypic variation was observed all studied. In tota...
Soil moisture is one of the most important determinants of plant’s seed germination, emergence and finally yield formation in arid and semi-arid zone (e.g. IRAN). In such a situation, the selection of a cultivar resistant to drought is the most important task. In this regard, a research at three levels (Farm, Greenhouse, Laboratorial) was conducted to study 10 genotypes with three improved back...
Soil moisture is one of the most important determinants of plant’s seed germination, emergence and finally yield formation in arid and semi-arid zone (e.g. IRAN). In such a situation, the selection of a cultivar resistant to drought is the most important task. In this regard, a research at three levels (Farm, Greenhouse, Laboratorial) was conducted to study 10 genotypes with three improved back...
Considering frequent observation of low vigor (dwarf) and precocious walnut seedlings in some of Iran nurseries, and in order to understand genetic causes of this phenomenon and the effect of parental genotype on the seedling vigor and precocity, two half–sib family tests were conducted using open pollinated seeds of Persian walnut (Juglans regia L.) trees with different vigor and bearing habit...
Experimental data and discussion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The modifiability of certain characters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Material and methods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 121 121 123 ...
Decision making requires an actor to not only steer behavior towards specific goals, but also determine the optimal vigor of performance. Current research and models have largely focused on the former problem of how actions are directed, while overlooking the latter problem of how they are energized. Here, we designed a self-paced decision-making paradigm that showed that rats' performance vigo...
Embryological Aspects of Hybrid Vigor in Pines: Color Reaction of Vitamin A on Acid Earths: DR. PROFESSOR JOHN T. BUCHHOLZ .............................................. 135 GERDA GERNSHEIM MAYER and DR. HARRY SOBOTKA. Correction on "Chronic Intermittent Obituqary: Anoxia . . . ": PROFESSOR WARD C. HALSTEAD. Nevin M. Fenneman: DR. RAYMOND WALTERS. 142 How Stentor Anchors Itself: PRoFEssSOR E. A...
In their classic study of the enzymes involved in the mobilization of stored carbohydrate reserves in barley, Brown and Morris (3), in 1890, noted that the excised barley embryo formed a large quantity of starch when floated on water for a few hours. More recently investigators (2, 4, 5) working with excised barley embryos appear to have ignored or neglected this important biochemical transform...
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