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丝苗Ａ播始（播种至始穗）历期８０—１０２天，主茎叶片１５．７—１６．５叶，花粉以小圆败为主，败育率１００％，自交结实率０．２０％；花时较珍汕９７Ａ早１５分钟，开颖角度２０°２４′，柱头外露和双外露率分别为８６．７％和４２．１％；米质优，抗性好，恢复谱较珍汕９７Ａ广；制种繁殖的“九二０”最适用量为每亩１２ｇ。
Silkworm A sowing (sowing to the beginning of ear) period of 80-102 days, the main stem leaves 15.7-16.5 leaves, pollen round litters, abortion rate of 100%, self-fertility rate of 0 .20% respectively. The flowering time was 15 minutes earlier than that of Zhenshan 97A and the opening angle was 20 ° 24 ’. The stigma exsertion and double exsertion rate were 86.7% and 42.1% respectively. 97A wide Zhenshan Shan; seed multiplication “92” the most suitable amount of 12g per mu.