نتایج جستجو برای: oryza sativa l var indica
تعداد نتایج: 656040 فیلتر نتایج به سال:
Rice (Oryza sativa L.) production, essential for global food security, is threatened by the brown planthopper (BPH). The breeding of host-resistant crops is an economical and environmentally friendly strategy for pest control, but few resistance gene resources have thus far been cloned. An indica rice introgression line RBPH54, derived from wild rice Oryza rufipogon, has been identified with su...
Adenosine triphosphatases (ATPases) belonging to the AAA protein family (ATPases Associated with various cellular Activities) are involved in a wide range of abiotic stress. OsATPase, is one of the gene among these stress genes. However, the knowledge about their roles in developmental processes and response to various stimuli are still very limited in rice. In order to discover new stress tole...
Rice (Oryza sativa L.) production, essential for global food security, is threatened by the brown planthopper (BPH). The breeding of host-resistant crops is an economical and environmentally friendly strategy for pest control, but few resistance gene resources have thus far been cloned. An indica rice introgression line RBPH54, derived from wild rice Oryza rufipogon, has been identified with su...
Immunocytological studies in this laboratory have suggested that NADH-dependent glutamate synthase (NADH-GOGAT; EC 1.4.1.14) in developing organs of rice (Oryza sativa L. cv. Sasanishiki) is involved in the utilization of glutamine remobilized from senescing organs through the phloem. Because most of the indica cultivars contained less NADH-GOGAT in their sink organs than japonica cultivars, ov...
We developed a new method of using seedling trays to evaluate root angle distribution in rice (Oryza sativa. L), and found a wide genetic variation among cultivars. The seedling tray method can be used to evaluate in detail the growth angles of rice crown roots at the seedling stage by allocating nine scores (10° to 90°). Unlike basket methods, it can handle large plant populations over a short...
Submergence stress can greatly limit grain yield of inbred rice (Oryza sativa L.), but the effects submergence on hybrid are unclear. A pot experiment was conducted to clarify that happens at vegetative growth stage two Chinese cultivars. The cultivars Zheyou-18, an indica-japonica hybrid, and Yliangyou-689, indica were planted under treatments, (43 cm depth tap water for about 2 wk) control (n...
DNA polymorphism is the basis to develop molecular markers that are widely used in genetic mapping today. A genome-wide rice (Oryza sativa) DNA polymorphism database has been constructed in this work using the genomes of Nipponbare, a cultivar of japonica, and 93-11, a cultivar of indica. This database contains 1,703,176 single nucleotide polymorphisms (SNPs) and 479,406 Insertion/Deletions (In...
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