نتایج جستجو برای: 90 kg nitrogenha in flowering time
تعداد نتایج: 17214472 فیلتر نتایج به سال:
From its tropical origin in southwestern Mexico, maize spread over a wide latitudinal cline in the Americas. This feat defies the rule that crops are inhibited from spreading easily across latitudes. How the widespread latitudinal adaptation of maize was accomplished is largely unknown. Through positional cloning and association mapping, we resolved a flowering-time quantitative trait locus to ...
Understanding the genetic basis of natural phenotypic variation is of great importance, particularly since selection can act on this variation to cause evolution. We examined expression and allelic variation in candidate flowering time loci in Brassica rapa plants derived from a natural population and showing a broad range in the timing of first flowering. The loci of interest were orthologs of...
1 Plant Breeding Institute, Christian-Albrechts-University of Kiel, Kiel, Germany, 2 Plant Breeding Institute, Martin Luther University of Halle-Wittenberg, Halle, Germany, Molecular Cell Physiology, Faculty of Biology, Bielefeld University, Bielefeld, Germany, Department of Plant Developmental Biology, Max Planck Institute for Plant Breeding Research, Cologne, Germany, Cluster of Excellence in...
BACKGROUND The transition from vegetative to reproductive stages marks a major milestone in plant development. It is clear that global change factors (e.g., increasing [CO(2)] and temperature) have already had and will continue to have a large impact on plant flowering times in the future. Increasing atmospheric [CO(2)] has recently been shown to affect flowering time, and may produce even grea...
After the f loral transition the shoot apical meristem (SAM) changes its identity switching from vegetative to reproductive. In annual Arabidopsis ecotypes, the transition to f lowering is strongly promoted by variations in day length (photoperiod). The photoperiodic pathway promotes f lowering when Arabidopsis plants are exposed to long days (LDs) conditions (typical of spring and summer). Pho...
Early flowering in apricot trees is leading to the spring frost. Delay of flowering is one of approaches to prevent spring frost damage. Hence, a factorial experiment on the base of RCBD was conducted in agriculture faculty, Shahrood University at 2014-15 years. The effect of spraying with soybean oil (10 and 15 percent) and ethephon (100 and 200 mg/...
this study aims to investigate the essential oils content of thymbr spicata l. in two times before flowering and full flowering in shirpenah area in ilam province. both samples were dried out in shade and without humidity. then 50 grams of each sample were powdered after obtaining the essential oils by hydro distillation using a clevenger apparatus for 2 hours. resulted oils were dried by anhyd...
increasing product marketability and introduction of new cultivars for fresh consumption of apple is the world's most important breeding objectives. in this study, the qualitative and quantitative characteristics of the genotypes from cross between red spur and golab-e-kohanz apple cultivars were evaluated. a total of 19 traits including fruit attributes (firmness, fruit weight,...) and th...
UNLABELLED • PREMISE OF THE STUDY Local adaptation in plants often involves changes in flowering time in response to day length and temperature. Many crops have been selected for uniformity in flowering time. In contrast, variable flowering may be important for increased competitiveness in weed species invading the agricultural environment. Given the shared species designation of cultivated r...
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