نتایج جستجو برای: osmotic pretreatment of seed
تعداد نتایج: 21174251 فیلتر نتایج به سال:
Proteome analysis of wheat embryo (Triticum aestivum) Sensu stricto germination under osmotic stress
Seed germination is an important growth phase in the plant life cycle that can be injured by osmotic stress. Germination is divided into three phases and many processes are initiated before radical protrusion. Many metabolic activities occur, especially in Sensu stricto germination phase since the seed embryo is a live organ, so differences in protein patterns are important in this phase. This ...
To evaluate the effect of priming on seed germination of Cucurbita pepo in drought stress conditions, a factorial experiment was conducted as completely randomized design with three replications. Treatments included drought stress at five levels of osmotic potential (zero, 0.3, 0.6, 0.9 and 1.2 MP), priming at levels of GA3 (250 ppm to 24 hours), KNO3 (0.2% for 24 hours) Hydro prime (H2O) (to 2...
In order to identification of tolerant lines of sorghum to drought stress, an experiment was conducted at Seed Laboratory, Islamic Azad University, and Shoushtar Branch, Iran in 2013. This investigation was performed as factorial experiment under Completely Randomized Design (CRD) with three replications. First factor had fifteen levels of promising forage sorghum lines and the second fact...
In the present investigation, effect of propyl gallate, a free radical scavenger, was studied on germination of Vigna radiata seeds to verify the role of active oxygen species in the regulation of seed germination. Propyl gallate inhibited germination and such inhibition was not due to osmotic effect as verified by the treatment with sucrose solution of similar concentrations. Treatments were a...
introduction: b. campestris is an old plant that commonly grows in arid and semi-arid areas. it has mucilage in the epidermal cells of canola seeds, a considerable variation in growth form and characteristics across the many cultivars. these species have in general, a flat root without an elongated crown, with stems that typically grow 30 to 120 cm tall. the leaves are large, soft, smooth or so...
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Cadmium (Cd) is one of the most important heavy metals and its pollution causes toxic effects on plants and human beinges well. Glycine betaine (GB) is an osmoprotectant that its external application leads to decrease stress strains as well as heavy metal accumulation hazards. This experiment was conducted to study the effect of seed priming with GB on Cd reduction of damages in the black seed...
این مطالعه در سال 1386-87 در آزمایشگاه و مزرعه پژوهشی دانشگاه صنعتی اصفهان به منظور تعیین مناسب ترین تیمار بذری و ارزیابی اثر پرایمینگ بر روی سه رقم گلرنگ تحت سه رژیم آبیاری انجام گرفت. برخی از مطالعات اثرات سودمند پرایمینگ بذر را بر روی گیاهان مختلف بررسی کرده اند اما در حال حاضر اطلاعات کمی در مورد خصوصیات مربوط به جوانه زنی، مراحل نموی، عملکرد و خصوصیات کمی و کیفی بذور تیمار شده ژنوتیپ های م...
Expansins are cell wall proteins that promote cell wall loosening by inducing pH-dependent cell wall extension and stress relaxation. Expansins are required in a series of physiological developmental processes in higher plants such as seed germination. Here we identified an Arabidopsis expansin gene AtEXPA2 that is exclusively expressed in germinating seeds and the mutant shows delayed germinat...
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