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利用明恢76与Warylowa配组选育而成的亚恢420，是一个广亲和恢复系。它与珍汕97A、龙特甫A、1356S配组的组合，表现大穗多粒，结实率高、籽粒饱满，具有很强的营养优势和经济优势；经二年来多点试种示范，平均产量8241．1kg／hm2，比对照汕优63增产20．33％，已经达到亚种或亚亚种间杂种优势利用水平。
Yahui 420, a combination of Minghui 76 and Warylowa, is a broad-compatibility restorer. The combination of Zhenshan 97A, Longtefu A and 1356S with large grains and spikelets, high seed setting rate and full grains has strong nutrition and economic advantages. After more than two years of demonstration, the average The yield was 8241.1kg / hm2, 20.33% more than the control Shanyou 63, which has reached the level of heterosis utilization of subspecies or sub-subspecies.