نتایج جستجو برای: grain filling duration
تعداد نتایج: 299611 فیلتر نتایج به سال:
in order to study planting date impacts and ending season drought stress on grain yield and gaining weight rate and wheat filling period characteristics in new advanced bread wheat genotypes ,this research is done by using plan statistical of spilt plot in form of complete random blocks basic plot with 3 replications in both common separated irrigation and ending season drought stress...
The present study was carried out to estimate genetic variability parameters for some traits such as pods per plant, cell membrane stability, one thousand kernel weight, flowering period, grain filling period, chlorophyll content, relative water content, leaf excised water content, seed per pod and pod length, in 16 winter rapeseed genotypes. Statistical analysis showed significant differences ...
Osmotic adjustment (OA) is considered as an important physiological mechanism of drought adaptation in many crop plants. The present investigation was aimed at assessing the importance of OA in improving productivity under drought. Using two automated rain-out shelters, 26 extra-short-duration pigeonpea [Cajanus cajan (L.) Millsp.] genotypes were grown with irrigation during the growth period o...
Anethum graveolens Linn. (Umbelliferae, A. graveolens) is a widely used spice with a long history of traditional medicinal use for the treatment of various ailments. The biosynthesis of secondary metabolites in medicinal and aromatic plants is affected by abiotic stresses such as water deficit. This study was carried out to evaluate seed yield and essential oil of dill under five irrigation dis...
Sucrose synthase activity in rice is potentially yield limiting. This is because the carbon that forms starch enters the developing rice grain as sucrose and that sucrose must be broken down to form the precursors of starch. The enzyme that breaks down sucrose in the filling rice grain is sucrose synthase. Earlier research efforts on rice physiology indicated that endosperm sucrose-synthase act...
The paper examines the relationship between China's grain trade and domestic grain economy through an institutional perspective. It reveals that China's grain imports have been primarily necessitated by filling the physical gap between domestic grain demand and supply. Due to the special institutional background under which the domestic grain economy segmented into two relatively independent pa...
Growth and grain yield of irrigated barley cultivars (Valfajr, Binam and Raihaneh) was investigated at 4 sowing dates (6, 22 Oct. and 14, 20 Nov.) in Karaj region. The effect of sowing date, genotype and their interaction on grain yield were statistically significant. Early and late sowing enhanced cold damage. However, the damage was more in late sowings. It was estimated that the optimum sowi...
Effect of high temperature tolerance in relation to carbon partitioning and grain sink activity was studied in ten genotypes of wheat (viz C 306, PBW 343, PBW 502, PBW 509, PBW 521, PBW 522, PBW 550, Inqalab, WL 711 and Sonalika) under normal (November, 25.6 ̊C during grain filling) and late planting conditions (December, 29.4 ̊C).
The use of high yielding and resistant to drought stress cultivars in crops is one of the proper way to incorporation other water deficit management methods. This study in order to evaluate grain yield and morphological traits, an experiment was conducted with 100 genotypes of durum wheat which were planted based on lattice design with three replications under normal and drought stress conditio...
4 Technical aspects of KMC 8 4.1 Representation of the grain . . . . . . . . . . 9 4.2 Input parameters in grain models: filling the table of events . . . . . . . . . . . . . . . . . 9 4.2.1 Sticking Fractions . . . . . . . . . . 10 4.2.2 Thermal desorption rates . . . . . . . 10 4.2.3 Diffusion rates . . . . . . . . . . . . 11 4.2.4 Theoretical determination of rates . . 13 4.3 Kinetic Monte C...
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