我们对多效唑应用于杂交稻制种调节花期进行了试验,获得了较满意的效果,认为多效哩可作为制种调节花期的有效辅助剂。 试验于1988年夏季进行,恢复系为密阳46,不育系为江农早1号,分别在6月2日、8日播种,何时在6月28日移栽。 多效唑用15%的可湿性粉剂,配比浓度为亩用100克、200克 We tested the application of paclobutrazol in the regulation of flowering in hybrid rice seed production, and obtained satisfactory results. It is considered that multifunctional millet can be used as an effective adjuvant for seed production and flowering regulation. The experiment was carried out in the summer of 1988 with the restorer system being Miryang 46 and the CMS line Jiangnongzao No. 1, sown on June 2 and 8, respectively, and when transplanted on June 28. Paclobutrazol with 15% WP, with a concentration of 100 grams of mu, 200 grams