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旱优73是用抗旱不育系沪旱7A与恢复系旱恢3号配组育成的籼型节水抗旱杂交稻新组合,表现适应性广、节水抗旱、有水增产、缺水稳产等特点,2014年通过安徽省农作物品种审定(皖稻2014024)。栽培要点:适时抢播,播后及时化控除草,早施分蘖肥,及时防治病虫害。制种技术要点:合理安排父母本播差期,适当调整父母本种植行比,增加母本苗数。
Dryland 73 is a new indica hybrid rice combination developed with drought-resistant CMS line Shanghai drought 7A and restorer line Hanhui 3 with wide adaptability, water saving and drought resistance, water yield increase, water shortage and stable yield Characteristics, in 2014 through the Anhui Province crop varieties validation (Wandao 2014024). Cultivation points: timely snatch broadcast, timely control of weeding after sowing, as early as tillering fertilizer, timely control of pests and diseases. Seed production techniques: Reasonable arrangements for the parent sowing period, the appropriate parents to adjust the planting line ratio, increase the number of female seedlings.