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内5优5399是由内江杂交水稻科技开发中心用内香5A×内恢3399组配而成的籼型三系杂交水稻新品种,2009年通过国家农作物品种审定委员会审定(审定编号:国审稻2009005)。该品种在我县示范种植2年来,表现出株型适中,茎秆粗壮,叶片稍宽直立,分蘖力强,丰产、稳产,结实高,着粒密度大,米质优,抗稻瘟病等特点。在我县作一季中稻,尤其是优质杂交中稻具有良好的推广前景。
5 You 5399 is a new indica three-line hybrid rice combination of Nei Xiang 5A × Neixiang 3399, which was developed by Neijiang Hybrid Rice Science and Technology Development Center. In 2009, it was approved by the National Crop Variety Approval Committee (Validation No .: State-owned rice 2009005). The varieties in our county demonstration planting two years ago, showed moderate plant type, stalks thick, slightly wider leaves erect, tillering ability, high yield, stable yield, high grain density, rice quality, resistance to rice blast and so on . In our county for a season of middle-season rice, especially high-quality hybrid rice has a good promotion prospects.