１９９９年冬的辐射霜冻致使三明市柑桔大面积受到不同程度的冻害，普遍出现落叶枯枝现象。对受冻柑桔树潜叶蛾的防治应是“重促轻控，促控结合，适时喷药保护”。只抹除过密的和位置不当、影响树冠发育的多余芽和病弱芽，不应为减少虫源而将夏梢和早秋梢全部抹除，要加强喷药 Radiation frost in the winter of 1999 caused a large area of ​​citrus in Sanming city to suffer different degrees of frost damage, and the phenomenon of deciduous litter generally appeared. Control of frozen citrus tree leaf moth should be “re-urge light control, promote control combination, timely spraying protection.” Only erase the over-dense and improper location, affecting the crown of excess buds and sick buds should not be to reduce the source of insects and the early summer tip will be erased, to strengthen the spraying