假高梁是我国定为对外检疫对象的杂草,是世界上危害农业最严重和难以防除的杂草之一。有50多个国家报道其分布,能危害30多种主要农作物、果树和经济植物。假高粱以种子传播,随进口粮传入我国。少数地区已有发现,如北京、青岛、大连、甚至重庆,已有报 False sorghum is a weed in China as an external quarantine object and one of the most harmful and difficult to control weeds in the world. More than 50 countries have reported their distribution and can harm more than 30 major crops, fruit trees and economic plants. False sorghum is spread by seeds and imported into our country with imported grain. A few areas have been found, such as Beijing, Qingdao, Dalian and even Chongqing, have been reported