玉米各生育阶段之间的相关性及遗传特性分析
Modern Agricultural Science and Technology(2012)
Abstract
选用6个中晚熟、5个早熟玉米自交系,分别组配杂交组合。运用NCⅡ设计,对25个杂交组合的生育阶段进行了分析,结果表明:出苗至拔节期、拔节至抽雄期,早熟组合生育天数短,生长发育快;中晚熟组合生育天数长,生长发育慢,抽雄期可以作为玉米早熟性的重要生理性状和育种参数。抽雄至散粉期、散粉至吐丝授精期、吐丝授精至成熟期3个阶段相互间无显著关系。
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Key words
maize,growth stages,correlation,genetic characteristics
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