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秋季短组合母本抛栽制种主要有每蔸苗数、大田密度、立苗快慢、分蘖速度和幼穗发育等不平衡的问题,继而影响制种产量。提出了增加母本用量、适龄及时抛秧、科学管理肥水、巧喷“九二○”和预防后期倒伏等措施来实现高产目标。
Autumn short combinations of female throwing planted varieties mainly include the number of seedlings per plant, field density, seedling speed, tillering speed and panicle development and other imbalances, and then affect seed production. Proposed to increase the amount of female parent, timely throwing seedlings age, scientific management of fertilizer and water, Qiao spray “900 ” and prevent the late lodging and other measures to achieve high yield.