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合理应用植物生长调节剂对大豆进行化学调控,是夺取大豆优质高产的一条有效措施。化控方法有: 喷施多效唑。多效唑属新型植物生长调节剂,在大豆上使用,可控制株高,缩短节间长度,增加单株分枝数和荚、粒数,提高结实率和抗倒力,一般增产13％～35％。使用方法:在大豆分枝至初花期,每667米~2用15％多效唑可湿性粉剂50～100克对水75千克,均匀喷施植株叶片的正反面。喷施助壮素。助壮素属植物抑制剂,在大豆上使用后,可使株高和结荚部位降低。增加有效分枝8％～10％,提高百粒重9％～10％,增产
Rational application of plant growth regulators on the chemical regulation of soybeans, soybeans to seize the high yield of an effective measure. Chemical control methods are: spray paclobutrazol. Paclobutrazol is a new plant growth regulator, used in soybeans, can control the plant height, shorten the internode length, increase the number of branches and pods per plant, increase seed setting rate and anti-dumping, the general increase of 13% to 35% . Usage: In the first branch of soybean branching, each 667 m ~ 2 with 15% paclobutrazol WP 50 to 100 grams of water on the 75 kg, spray the positive and negative plant leaves. Spraying help mellitus. Imidacortin is a plant inhibitor, used in soybeans, can plant height and pod site reduction. Increase effective branches 8% ~ 10%, increase 100% weight 9% ~ 10%, increase production