光稃茅香草俗名赖皮草,禾本科茅香属,多年生根茎性杂草,分布较广,是东北、西北地区粮田、草原上的恶性杂草,严重地区能使粮料减产50％以上,甚至绝产。据初步调查,内蒙古农牧场受光稃茅香的危害面积已达200余万亩,其中严重受害面积50余万亩。每年因光稃茅香的危害而损失粮料5,000万斤左右。白音锡勒牧场每年播种的10多万亩农田中,因草害约减产一二百万斤。为此,中国农科院草原研究所、内蒙古农牧场管理局农科站和白音锡勒牧场三个单位合作,从1980年开始进行《应 Commonly known as Lao Mao grass grass, gramineae genus, perennial rhizomatous weeds, widely distributed, is the northeast and northwest grain fields, grasslands of the vicious weeds, serious areas can make more than 50% of grain production, Even absolutely. According to a preliminary investigation, the damage area of ​​Inner Mongolia farmyard by Hierochus incense has reached more than 200 million mu, of which more than 50 million mu have been severely victimized. Each year due to the damage caused by the light incense Mao Hong loss of 5,000 million pounds of grain or so. Baiyinxile ranch sown more than 10 million mu of farmland each year, due to grass cut about 12 million pounds. To this end, the Chinese Academy of Agricultural Sciences Grassland Research Institute, Agricultural Bureau of Inner Mongolia Farm Management Bureau and Baiyinxile Ranch three units, from 1980 onwards "should