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(一)“紧粒新四占”“紧粒新四占”是台山县端芬公社海棠科技组于1972年晚造从“新四占”群体中发现变异株,由端芬公社农科站栽种,经系统选育而
(A) “Tight grain new four accounted for” “Tight grain new four accounted for” Dashan County, Duan Fun commune begonia Technology Group made in late 1972 from the “new four accounted for” groups found in the mutant strains from the Duanfen commune Agricultural Station Planting, selected by the system