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Ⅱ优 559系我所用Ⅱ 3 2Ａ与盐恢 559配组育成的杂交籼稻新组合 ,2 0 0 1年底通过江苏省农作物品种审定委员会审定。1 特征特性该品种 2 0 0 1年参加江苏省杂交籼稻生产试验 ,平均产量 93 2 1 .0ｋｇ ｈｍ2 ,比对照汕优 63增产 9.9% ,居第三位。Ⅱ优 559有效穗数 2 2 5万 ｈｍ
Ⅱ You 559 is a new combination of indica hybrid rice which was bred by Ⅱ 3 2A and Yanhui 559. It was approved by Jiangsu Province Crop Variety Approval Committee at the end of 2001. 1 Characteristics The variety of hybrid rice indica rice production in Jiangsu Province in 2001, the average yield of 93 2 1 .0kg hm2, 9.9% increase over the control Shanyou 63, ranking third. Ⅱ You 559 effective spikes 225 000 hm