摘要
在采种甜菜生殖生长期,于抽苔初期(4月中旬)用江苏省建湖农药厂生产的15％可湿性粉剂—多效唑,兑水浇根,能显著地矮化株型、降低株高、防止倒伏、增加结实密度、提高种球千粒重。亩施150克、200克和250克多效唑的种子产量分别比对照增加18.9％、17.6和12.8％。
In the reproductive growth stage of seed sugarbeet, the roots were watered with solution of 15% wettable powder of the paelobutrazo(made in the Jianhu Pesticide Plant of Jiangsu Province) at the beginning of bolting (i.e.in the middle of April).The paelobutrazol is a plant growth regulator and can dwarf the plant type of seed sugarbeet,lower the plant height, resist the lodging of plant, increase the density of seed setting and raise the thousand-kernel-weight of seed ball.Compared with the control the seed yield per mu (one mu=l/15 hectare) was increased by 18.9%, 17.6% and 12.8% when applying the 15% wettable powder of the paelobutrazol with the applcation amount per mu of 150g, and 200g and 250g respectively.
出处
《中国甜菜糖业》
1991年第5期23-24,22,共3页
China Beet & Sugar
关键词
甜菜
生长调节剂
多效唑
施肥
Seed sugarbeet
Plart growth regulator
Paelobutrazol
