Effects of Indica-Cytoplasm on Yield of Hybrid Offspring F1
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摘要: 为促进东北粳稻遗传育种研究,本试验利用分子标记手段对细胞质进行籼粳类型鉴定,再以4份籼质粳稻与4份粳质粳稻构建双列杂交群体,分别在沈阳和哈尔滨两地种植,研究籼型细胞质对杂交后代F1产量构成的影响。结果表明:利用细胞质籼粳特异性分子标记筛选到4份超高产粳稻沈农265、沈农9741、辽粳454、沈农9816的细胞质为籼型,两个试验点籼质粳核材料产量主要影响因子是分蘖数和穗数,而粳质粳核材料受多个因素的影响,在相同核遗传背景下,籼型细胞质对于产量提高有促进作用。Abstract: In order to promote the research of japonicarice genetics and breeding in Northeast China,using the molecular marker to identify the cytoplasmIndica-japonicatype of Northeast japonicarice,diallel cross population were constructed with four indica-cytoplasmjaponicarice and four japonica-cytoplasmjaponicarice,which were planted in Shenyang and Harbin,then investigated the effects of indicacytoplasm on yield components of F1 hybrids.The results showed that using cytoplasmic indica-japonica differentiation-specific molecular markers,four super-high-yield rice Shennong 265,Shennong 9741,Liaojing 454 and Shennong 9816 were indica-cytoplasmjaponica;the main factors affecting the yield of indica-cytoplasmjaponica materials were tiller number and panicles number in the two experimental sites,while japonica-cytoplasmjaponica materials were affected by multiple factors;under the iso-nuclear genetic background,indicacytoplasm can increase the yield of northeast japonica.
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Keywords:
- northeast japonica /
- indica-cytoplasm /
- hybrid offspring /
- yield
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期刊类型引用(1)
1. 刘猷红,唐傲,张喜娟,董文军,刘凯,王文龙,徐英哲,孟英,来永才. 籼型细胞质对粳稻杂交后代F_1稻米品质的影响. 中国稻米. 2023(02): 59-64 . 百度学术
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