S3307和BR对板栗的生理效应及增产作用

Physiological Effects and Yield-increasing Role of S3307 and BR to Chestnut Production

在9年生板栗树萌芽展叶期喷施S3307 100 mg/L和初花期喷施BR 0.01 mg/L,可显著提高叶片中的叶绿素、可溶性糖和淀粉含量.对板栗树体有明显的矮化作用,使果枝变短、变粗,叶面积变小,叶厚度增加,叶鲜质量、干质量增加.能提高板栗的座蓬率、蓬质量、蓬均粒数和出实率.小区试验比对照增产18.23%,大区示范试验增产率为13.78%~15.60%.

If S3307 100 mg/L was sprayed on the 9-year-chestnut trees at embryonic stage and BR 0.01 mg/L at the flowering stage,chlorophyll,soluble Sugar and starch content in leaves can be significantly increased.There is also obvious dwarfing effect on the chestnut tree,so the branch would become shorter,wider and leaves smaller,thicker.Fresh and dry weight of leaves would increase.Besides,the fruit bearing rate,fruit weight,average seeds and yields can be improved.Yield was increase by 18.23% for plot experiment and increased between 13.78%~15.6% for large area test.