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shui dao yu zhong ji chu zhi shi jiang zuo di wu jiang shui dao za zhong you shi li yong
Author(s): 
Pages: 49-51
Year: Issue:  3
Journal: Reclaiming and Rice Cultivation

Keyword:  水稻杂种优势利用三系配套杂交水稻水稻育种杂种一代六十年代雄性不育系保持系恢复系杂交制种;
Abstract: <正> 水稻杂种优势早在本世纪二十年代就被发现,并为人们所注意。日本在六十年代实现了水稻三系配套,但未能在生产上利用,美国、菲律滨、印度等国也相继开展了这项研究,但都未完成三系配套。我国水稻杂种优势利用研究开始于一九六四年,经过几年努力于一九七三年实现了籼型水稻三系配套,粳型水稻也于一九七五年完成了三系配套,经过短时间的试验、示范,便在大面积生产上得到了推广应用,近五年全国共种植杂交水稻二亿五千多万亩,增产稻谷二百六、七十亿
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