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1 多效唑在秧田的喷施1.1 喷施技术秧田必须施足基肥,畦面平整不积水,不育系播种量掌握在10kg/667m~2以内,恢复系播量保持在5kg/667m~2左右。在秧苗一叶一心至二叶期,排干田水,667m~2用15%多效唑100g 加水60kg 均匀喷施,喷后24h 及时复水,浅水促蘖。1.2 注意事项1.2.1 由于多效唑会延长生育期,父母本必须同喷。1.2.2 施用量不能过多,浓度不能过大,否则对秧苗抑制作
1 paclobutrazol spray in the seedling 1.1 Spraying technology seedling must apply Shizu, smooth surface without water, seeding rate of male sterile lines in less than 10kg / 667m ~ 2, the rest of the line sowing to maintain at about 5kg / 667m ~ 2 . In the seedling leaf one heart to two leaf stage, drained field water, 667m ~ 2 with 15% paclobutrazol 100g water 60kg spray evenly, 24h after spraying timely rehydration, shallow water tillering. 1.2 Notes 1.2.1 paclobutrazol will extend the growth period, parents must have the same spray. 1.2.2 The amount can not be too much, the concentration can not be too large, otherwise inhibit the seedlings