五氯酚钠在柑桔上使用宜慎重除草剂五氯酚钠是葡萄、梨等落叶果树冬季杀菌经常使用的一种铲除剂。有些果农因其来源广、价格便宜，对防治柑桔红蜘蛛有一定效果，因而也不时地在柑桔生产中使用。１９９４年，笔者对部分果农的使用情况作了跟踪调查。结果表明，６５％五氯酚... Sodium pentachlorophenate should be used carefully on citrus herbicides Sodium pentachlorophenate is a kind of scavenger often used in winter sterilization of deciduous fruit trees, such as grapes and pears. Some farmers because of its wide range of sources, the price is cheap, the prevention and treatment of citrus spider mite have a certain effect, and therefore from time to time in citrus production. In 1994, I made some follow-up surveys on the use of some farmers. The results show that 65% pentachlorophenol ...