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多效唑对爆裂型玉米（沪爆１号）萌发出苗率影响较大。用浓度增大，萌发出苗率显著下降；５０～１００ｍｇ／Ｌ浸种处理可显著提高幼苗根系长度、根冠比及α－淀粉酶和α＋β淀粉酶活性。对过氧化物酶活性有显著抑制作用。１００～３００ｍｇ／Ｌ青霉素浸种处理对爆裂型玉米前发出苗率、根系生长等有一定的促进作用；并可显著提高α－淀粉酸及α＋β－淀粉酶活性，但对过氧化物酶活性无显著影响．
Paclobutrazol on populous corn (Shanghai explosion No. 1) germination rate of emergence of a greater impact. With the increase of concentration, the germination rate of germination decreased significantly. Soaking 50 ~ 100 mg / L seedling could significantly increase root length, ratio of root to shoot and the activity of α-amylase and α + β amylase. Peroxidase activity was significantly inhibited. The soaking treatment with 100 ~ 300mg / L penicillin could promote seedling rate and root growth before popcorn. The activity of α-amylase and α + β-amylase was also increased significantly, but there was no significant difference in peroxidase activity influences.