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小麦产量是复杂的数量性状,由单位面积有效穗数、穗粒数和千粒重构成,受多基因控制,易受环境的影响.研究显示我国1960年以后品种单产的提高主要依赖于穗粒数和千粒重,后者作用尤为显著.
小麦穗粒数和千粒重关联位点在选择导入系中的验证与利用
【摘 要】
：
小麦产量是复杂的数量性状,由单位面积有效穗数、穗粒数和千粒重构成,受多基因控制,易受环境的影响.研究显示我国1960年以后品种单产的提高主要依赖于穗粒数和千粒重,后者作用尤为显著.
【机 构】
：
中国农业科学院作物科学研究所,农业部作物基因资源与种质创制重点实验室,北京100081
【出 处】
：
第四届全国小麦基因组学及分子育种大会
【发表日期】
：
2013年1期
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