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1997年我去广州购买苏铁,被几个花场中苏铁灰蝶猖獗的景象惊呆了:大片大片的嫩叶被苏铁灰蝶的幼虫蚕食净光。但由于种种原因我还是选购了一部分未受害的苏铁。谁知运回后不久,有几盆刚发出的嫩叶上就出现了大量的苏铁灰蝶幼虫危害。我赶紧喷药防治,很快将其杀死了,但我仍不放心,又连喷了两遍农药。在苏铁进温室时,为保险起见,我还把苏铁的叶片全部剪光,剪下的叶片集中烧毁。经过这样处理,翌春苏铁萌叶后没有再发现苏铁灰蝶,总
In 1997, I went to Guangzhou to buy cycads and were stunned by the rampant phenomenon of cycads in several flower fields: large, young leaves were eaten by the larvae of the cycad. However, due to various reasons, I still purchased a part of the un-harmed cycads. Not long after the shipment was sent back, a large number of Cycas larvae larvae appeared on the young leaves that had just been sent out. I quickly spray prevention and control, soon to kill it, but I still do not worry, and even spray twice the pesticide. When the cycad was in the greenhouse, for the sake of safety, I also cut all the leaves of the cycad, and the cut leaves were concentrated and burned. After this treatment, the next spring no rebirth of Cycas lutea, the total