钦州市荔枝“冲梢”原因分析及预防措施  

Cause and preventive measure of flower branch shooting in litchi

作　　者：黄德健[1] 符兆欢[1] 

机构地区：[1]钦州市水果局,广西钦州535000

出　　处：《广西农业科学》2003年第4期28-29,共2页Guangxi Agricultural Sciences

摘　　要：20 0 3年 ,荔枝抽穗期间 ,受持续高温天气影响 ,钦州市荔枝“冲梢”严重 ,主要原因为 :2 0 0 2年冬季雨水偏多 ,光照减少 ,花芽分化质量差 ;抽穗期气温回升快且持续高温 ;树体营养积累少 ,树势差。防制措施有 :人工摘除花穗上的小叶 ;当花穗上的小叶丝状时喷施 2 0 0 m g/ L的乙烯利加 5 0 %多效唑 4 0 0倍液 ;培养适时健壮的秋梢结果母枝并促其适时早抽花穗。The problem of flower branch shooting was serious during the period of flower bud emerging because of continuous high temperature in 2003. The essential causes were, excessive precipetation and less quantity of illumination caused unusual differentiation of flower but, temperature rose rapidly with continuous high level, less nutrition accumulation induced sick status of the plants. Ensured preventive measures, spraying of 200mg/ L ethephon + 400 times of 50% PP333, taking care of autumn shoots which would have flower branches to shoot earlier.

关 键 词：钦州市 荔枝 “冲梢”现象 成因 预防措施 

分 类 号：S667.1[农业科学—果树学]