“协优４６”特征特性及配套栽培杨林健（连江县种子公司３５０５００）协优４６系中国水稻所和浙江省开发杂交稻组合联合体用协青早Ａ×密阳４６配组而成的晚稻杂优组合。１９９１年引入我县试种、示范，连续３年晚稻区试产最均名列前矛，亩产量与对照汕优６３不相上下，... Characteristics of “Xieyou 46” and its Corresponding Cultivation Yang Linjian (Lianjiang County Seed Company 350500) Xieyou 46 is a late rice hybrid rice combination developed by Xieqingzao A × Mianyang 46 in China and Zhejiang Province. Miscellaneous combinations. Introduced to my county in 1991 trial planting, demonstrating, for three consecutive years in late rice trial production most preeminence, yield per acre comparable to Shanyou 63, ...