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1、防徒长。对土壤肥较高、肥水条件较好、植株生长旺盛的花生田,当生长过旺而产生徒长时,喷施激素即植物生长调节剂,可抑制营养生长、促进生殖生长,协调营养生长与生殖生长之间的关系。有3种植物生长调节剂适合在花生上喷施,比久、矮壮素、多效唑。亩用药量分别为:比久每50克兑水50公斤;矮壮素100克兑水50公斤;15%多效唑可湿性粉剂35克兑水35公斤。喷施时间一般在结荚初期。
1, anti-disciple long. On the higher soil fertility, fertilizer and water conditions are good, strong growth of plant peanut field, when the growth of excessive and produce only when the growth, spraying hormones that plant growth regulators, inhibit vegetative growth, promote reproductive growth, coordination of vegetative growth and reproduction The relationship between growth. There are three kinds of plant growth regulators suitable for spraying on peanuts, longer than, CCC, paclobutrazol. Mu doses were: 50 grams per 50 grams more than watered; Chlormequat 100 grams watered 50 kg; 15% paclobutrazol WP 35 grams watered 35 kg. Spraying time is generally pod early.