نتایج جستجو برای: coleoptiles growth
تعداد نتایج: 818458 فیلتر نتایج به سال:
Fusarium equiseti and F. pallidoroseum are frequently reported as secondary colonizers of plant tissues. In this study they were isolated from the embryos of weathered cottonseed. Most isolates tested produced equisetin, an antibiotic, when grown on potato dextrose agar, rice, surface-sterilized cottonseed, or autoclaved cottonseed. This is the first report of equisetin from F. pallidoroseum. E...
Cytokinins are hormones that play an essential role in plant growth and development. The irreversible degradation of cytokinins, catalyzed by cytokinin oxidase, is an important mechanism by which plants modulate their cytokinin levels. Cytokinin oxidase has been well characterized biochemically, but its regulation at the molecular level is not well understood. We isolated a cytokinin oxidase op...
Anoxia can occur in crop fields when flooding forms a physical barrier that reduces oxygen availability. Rice, but not wheat, can germinate and elongate its coleoptile under anoxia, providing an excellent model for understanding mechanisms of anoxia tolerance. We have shown differential molecular responses of rice and wheat coleoptiles to anoxia and discovered novel metabolic adaptations in ami...
Successful stand establishment is prerequisite for optimum crop yields. In some low-precipitation zones, wheat (Triticum aestivum L.) is planted as deep as 200 mm below the soil surface to reach adequate soil moisture for germination. To better understand the relationship of coleoptile length and other seed characteristics with emergence from deep planting (EDP), we evaluated 662 wheat cultivar...
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