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Effect of close-relative single crosses on flowering coordination during seed corn production
Author(s): 
Pages: 715-719
Year: Issue:  5
Journal: ACTA BOTANICA BOREALI-OCCIDENTALIA SINICA

Keyword:  玉米近缘单交种制种黄早四改良系;
Abstract: 利用19个黄早四改良系与单交种西农11号的亲本之一的西黄改组成近缘单交种作母本与西农11号的另一亲本WN11配成三交种,以研究近缘单交种对协调玉米制种花期的效果.结果表明:近缘单交种的吐丝期均比西黄改吐丝期提前,并能与WN11散粉期相遇;用近缘单交种配制的有些三交种产量高于或与原单交种相当,且主要农艺性状较为整齐.
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