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这一同源模型说明籼稻和粳稻是由同一种普通野生稻驯化而来的。 The single-origin model suggests that indica and japonica were both domesticated from the wild rice O. rufipogon. | ||
对籼稻、粳稻和爪哇稻3个亚种的8个水稻品种开展米饭质地研究。 Using RHEOLOGRRPH MICRO (cookedrice texture analyzer), the cookedrice texture of 8 varieties within 3 rice subspecies was analyzed by various methods for cooking pretreatment. | ||
研究表明粳稻和籼稻大约在3900年前才由同一种水稻分化成两种不同的亚种。 The study indicates that the japonica and indica sub-species split apart from each other about 3, 900 years ago. | ||
目的探索机插杂交籼稻稀播育秧秧苗生长特性、栽插质量、产量与效益特点。 Objective Our purpose is to investigate the rice seedling growth characteristic, quality of transplanting, rice yield and economic benefits of sparse seeding in indica hybrid rice. | ||
在籼稻保持系C2与绵香5B的杂交后代中发现了一个植株显著矮化的双子房突变体。 A rice floral mutant with twin-ovary and dwarf plant was isolated from the progenies of the combination of C2/Mianxiang 5B. | ||
以籼稻栽培品种秋桂矮11的愈伤组织为材料，对铜元素的作用作了进一步的研究。 Calli of an indica rice cultivar Qiuguiai 11 were used as material for a further study on the effects of copper in calli cultures. | ||
将野生稻、中籼稻与云贵高原粳稻的后代选系进行杂交，选育出常规籼型稻新品种黔恢15。 Indica rice Qianhui 15 is a new conventional cultivar bred from strain crosses of wild rice, indica rice and japonica rice. | ||
分析了杂交籼稻和杂交粳稻的优势表现和配合力成分，提出了加强杂交稻配合力选择的建议。 The performance, heterosis and combining ability components in hybrid rice are analyzed. Some Suggestions of strengthening the combining ability selection in hybrid rice are also proposed. | ||
籼稻红莲型(HL)不育系和野败(wa)型不育系除花粉败育的特征不同外，两者还具有不同的恢、保特性。 Honglian (HL) type CMS lines (Indica) differed from wild abortive (WA) type CMS lines (Indica) not only in characteristic of abortive pollen but also in restoring and maintaining abilities. | ||
