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在防治农业病虫害的农药队伍中,有一个特殊的成员——草药。利用这些草的药物作用给农作物治病灭虫如同人们服用中草药治病一样,作用十分显著。每当端午节来临之际,人们纷纷在自家门口挂艾叶插菖蒲以示除病驱邪。其实艾蒿和菖蒲并无驱邪之力,倒有杀虫灭菌功能。艾蒿和菖蒲的茎、叶中都含有一种挥发性
In the pest control of agricultural pests team, there is a special member - herbs. The use of these grass’s medicinal plants to treat diseases and exterminate the same as people taking Chinese herbal medicines, the role is very significant. Whenever the Dragon Boat Festival approaching, people have hung in their own leaves hanging calamus to remove disease evil. In fact, mugwort and iris do not have the power of exorcism, down insecticidal sterilization. Artemisia and iris stems, leaves contain a volatile