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五优华占是广东省农业科学院水稻研究所等单位育成的三系杂交稻组合,2013年通过广西壮族自治区农作物品种审定委员会审定。2009—2014年经桂林市多点试验与大面积示范推广,表现高产稳产,作早稻种植生育期偏长,作晚稻种植生育期适宜;稻瘟病抗性较强,但轻感稻粒黑粉病和稻曲病。抛秧栽培应选用大孔径秧盘,适时播种,合理密植,增施穗肥,间隙灌溉,综合防治病虫害。
Wuyouhuazhan is a three-line hybrid rice combination bred by the Rice Research Institute of Guangdong Academy of Agricultural Sciences and other units. In 2013, it was approved by the Crop Variety Approval Committee of Guangxi Zhuang Autonomous Region. In 2009-2014, multi-point experiments and large-scale demonstration and promotion in Guilin City showed high and stable yield. The growth period of early rice was longer and the growth period of late rice was suitable for growth period. The resistance of rice blast was stronger but the susceptible rice powdery mildew And smut disease. Throwing transplanting should use large aperture seedling tray, timely sowing, reasonable close planting, increasing panicle, interstitial irrigation, integrated pest control.