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利用籼粳交选育广亲和基因的恢复系是实现籼粳亚种间杂种优势在生产上直接应用的主要途径。经过多年努力，利用明恢７６与Ｗａｒｙｌｏｗａ杂交选育成的广亲和籼粳中间型恢复系亚恢４２０与龙特甫Ａ配组而成的特优４２０，已通过宁德地区品审委员会评审，表现出高产高抗的优势?
The restorer lines which utilize the wide compatibility genes of indica, japonica and crossbreeding are the main ways to realize the direct application of heterosis between indica and japonica subspecies. After many years of hard work, using the combination of Minghui 76 and Warylowa, the broad-compatibility indica-japonica intermediate restorer line Yahui 420 and Longtefu A combination of Teyou 420, has passed the Ningde District Commission for review, performance The advantages of high yield and high resistance?