نتایج جستجو برای: gr24
تعداد نتایج: 101 فیلتر نتایج به سال:
Strigolactones (SLs) are recently identified plant hormones that inhibit shoot branching and control various aspects of plant growth, development and interaction with parasites. Previous studies have shown that plant D10 protein is a carotenoid cleavage dioxygenase that functions in SL biosynthesis. In this work, we used an allelic SL-deficient d10 mutant XJC of rice (Oryza sativa L. spp. indic...
External applications of strigolactones affect plant growth positively owing to the potential adapting plants tolerance system under stress conditions. In this study, effect synthetic analogue strigolactone (GR24) pre-treatment seeds salt-tolerant and salt-sensitive bread wheat (Triticum aestivum L.) varieties on parameters, antioxidant enzymes, such as superoxide dismutase (SOD), ascorbate per...
Strigolactones are germination stimulants for seeds of the root parasitic weeds, Striga and Orobanche spp. The imino analog of GR24 showed moderate germination stimulating activity against the seeds of S. hermonthica. The seed germination stimulating activity of some phenyliminoacetates and phenyliminoacetonitriles was also examined. The degree of activity of the phenyliminoacetate was less tha...
In this study, the role of the recently identified class of phytohormones, strigolactones, in shaping root architecture was addressed. Primary root lengths of strigolactone-deficient and -insensitive Arabidopsis (Arabidopsis thaliana) plants were shorter than those of wild-type plants. This was accompanied by a reduction in meristem cell number, which could be rescued by application of the synt...
Recent studies of highly branched mutants of pea, Arabidopsis and rice have demonstrated that strigolactones (SLs) act as hormones that inhibit shoot branching. The identification of genes that work downstream of SLs is required for a better understanding of how SLs control the growth of axillary buds. We found that the increased tillering phenotype of fine culm1 (fc1) mutants of rice is not re...
Ustilago maydisاز شاخه بازیدیومیکوت‌ها و عامل بیماری مخرب سیاهک عمومی ذرت و سورگوم می‌باشد. این‌گونه در طول چرخه زندگی خود دارای مراحل مختلف هاپلوئید، دیکاریوتیک و دیپلوئید است. در اثر تلاقی بین دو سلول هاپلوئید سازگار روی سطح برگ مرحله دیکاریوتیک ایجاد می‌شود که قادر به بیماری‌زایی در گیاه می‌باشد. اگر چهU. maydis از طریق اندام‌های هوایی و ریشه قادر به نفوذ است ولی علایم بیما...
ustilago maydisاز شاخه بازیدیومیکوت ها و عامل بیماری مخرب سیاهک عمومی ذرت و سورگوم می باشد. این گونه در طول چرخه زندگی خود دارای مراحل مختلف هاپلوئید، دیکاریوتیک و دیپلوئید است. در اثر تلاقی بین دو سلول هاپلوئید سازگار روی سطح برگ مرحله دیکاریوتیک ایجاد می شود که قادر به بیماری زایی در گیاه می باشد. اگر چهu. maydis از طریق اندام های هوایی و ریشه قادر به نفوذ است ولی علایم بیماری تنها روی اندام ...
Strigolactones have recently been suggested to be phytohormones that are present in all plants. Strigolactones are released by roots into the rhizosphere, stimulating the seed germination of parasitic plants such as Striga spp. and Orobanche spp. and play a crucial role in the interaction between plants and symbiotic arbuscular mycorrhizal fungi. By applying different concentrations of the synt...
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