杂种小麦品质性状遗传规律的研究

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为探明杂种小麦品质性状的遗传规律,本研究选取具有不同品质类型的12个亲本材料,以3种设计,按照强筋×强筋、强筋×弱筋、弱筋×强筋、弱筋×弱筋方式组配成不同杂交组合;同时选取具有偏型、粘型、易型和二角型异源细胞质的同核不育系,与3个恢复系亲本组配成12个杂交组合,分别测定了上述各组合的对应亲本、杂种F_1、F_2和BC_1F_1的籽粒品质性状,通过杂种优势,性状相关,遗传变异和主成分分析,研究了品质性状在杂种小麦中的传递规律及异源细胞质对品质性状的影响。结果表明: 1.杂种
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