豚草及豚草的综合治理

Ambrosia and its comprehensive administration

豚草自20世纪30年代传入我国,现已蔓延到19个省市。豚草素有“植物杀手”之称,对人类及农业生产危害严重,其密集成片的特性严重破坏了生态环境,秋季所产生的花粉引发枯草热,沈阳豚草花粉过敏症人群的发病率达1.52%。根据豚草的生物学、生态学特性及其在我国的分布特点及各种防治方法的可行性,认为我国豚草防治应以生物防治为主,并结合综合防治。另外,苍耳柄锈菌三裂叶豚草专化型(Puccina xanthii Schwein.f.sp.ambrosiae-trifidae Batra)和豚草霜霉菌(暂定为苍耳轴霜霉Plasmopara angustiterminalis Novotelnova)在我国的发现,为豚草的病原菌防治带来了巨大潜力。

Ambrosia streamsed into our country in the 30＇s Of the 20th century,and has spread to 19 cities now. Ambrosia is called “plant cutthroat”,endangering mankind and agricultures seriously. Its intensive pollen causes grass hot in autumn,and the rate of Ambrosia pollen allergy crowd amounts to 1.52% in Shenyang. According to the biological ,ecological characteristics of the Ambrosia and the distribution of it in our country and the possibility of every kind of preventions ,this article puts forward the Ambrosia prevention in our country should regard biocontrol as a principle,together with comprehensive administration. Inaddition Puccina xanthii Schwein. f. sp. ambrosiae-trifidae Batra and Plasmopara angustiterminalis Novotelnova brings brilliance of Ambrosia control with pathogeny in our country.