نتایج جستجو برای: sinapis arvensis
تعداد نتایج: 1358 فیلتر نتایج به سال:
Abstract Water deficit can alter floral traits with cascading effects on flower‐visitor interactions and plant fitness. stress induction diminish productivity, directly resulting in lower flower production consequently seed set. Changes traits, such as scent or reward amount, may turn pollinator visitations behaviour reduce pollination services reproduction output. However, the relative contrib...
شناسایی علفهای هرز بهعنوان اساسیترین اقدام در مدیریت علفهای هرز مزارع محسوب میشود. با اطلاع از وجود علفهای هرز خاص در یک منطقه میتوان در مورد روشهای کنترل آنها تصمیم گرفت. به منظور ارزیابی تنوع گونهای و شاخصهای جمعیتی علفهای هرز مزارع دیم نخود پاییزه تعداد 30 مزرعه در چهار شهرستان استان کرمانشاه در سال 1394 مورد بررسی قرار گرفتند. عملیات نمونهبرداری بر اساس روش W در بیست نقطه هر مزر...
Charlock (Sinapis arvensis L.) is a serious weed of agriculture, especially in spring sown crops. Genus Glaucium Mill. belongs to Papaveraceae and members of this genus have several alkaloids in laticiferes. The present research focuses on effects of aquatic extract of Glaucium oxylobum, G. elegans and G. grandiflorum on many physiological factors of Charlock. Laboratory studies were conducted...
A novel Li-impregnated TiO2 catalyst loaded on feldspar mineral (Li-TiO2/feldspar) was synthesized via a wet impregnation method and characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FTIR) analysis. Using these techniques, it possible to confirm the catalyst’s structural organization with high crystallinity. This used in transesterifica...
In plants of Sinapis alba and Arabidopsis thaliana, leaf exudate (phloem sap) was analysed during and after a single long day inducing flowering and in control short days. The amounts of carbohydrates and amino acids were measured to estimate the organic C : N ratio. In both species, the C : N ratio of the phloem sap increased markedly and early during the inductive treatment, suggesting that a...
The eects of the fungal pathogen Phomopsis convolvulus Ormeno on seedling and established plant performance of Convolvulus arvensis L. were compared under both controlled and ®eld conditions. Under a controlled environment, a granular barley formulation of the fungal inoculum that had been applied on to the soil surface of pots containing pre-germinated C. arvensis seeds resulted in above-grou...
Seed coat color as a perfect and simple index is effective in water absorption, seed dormancy and germination. The mustard plant produces seeds with different coat color. So, in order to investigate the effect of seed coat color on germination rate, the percentage of germination and dormancy of Mustard (Sinapis arvensis L.) seeds an experiment was carried out based on a completely randomized de...
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