【摘要】 成优0504是用自育恢复系"福恢0504"与不育系"成丰A"配制的三系杂交稻新品种。2015年通过福建省农作物品种审定。在福建作中稻制种,制种高产关键技术为合理安排播差期、选择最佳抽穗扬花期,适量播种、培育多蘖壮秧、合理插植,加强肥水管理与病虫害防治,开展花期预测和调控,适量喷施"九二○"、人工辅助授粉等措施。更多还原

【Abstract】 Chengyou 0504 was a new three-line hybrid rice combination bred by crossing the three-line male sterile Chengfeng A and self-chosen restorer line Fuhui 0504. It was certified by Fujian Crop Variety Appraisal Committee in 2015. The main characteristics of parents of Chengyou 0504 were introduced in this paper, and the key points of F1 seed production techniques as Medium Rice in Fujian province were also given which contained reasonable arrangements for the parents of the sowing gap stage, choose the best earing flowering, suitable time right amount sowing seeds, cultivating more tillers seedlings, rational close planting, enhance the management of fertilizer and water, integrated pest management,carry out flowering prediction and regulation, scientific spraying "920", artificial pollination and so on several aspects.更多还原