杂草的病原微生物主要包括真菌、病毒等 ,最常见的真菌病原如锈菌、镰刀菌、炭疽病菌等。随着除草剂在农业中的广泛应用 ,利用高效低毒的微生物除草剂引起了许多发达国家如美国、澳大利亚、加拿大、俄罗斯等国的重视 ,并相继开展了大量的研究工作 ,涉及的微生物有８０多种。美 Pathogenic microorganisms such as weeds mainly include fungi, viruses, the most common fungal pathogens such as rust, Fusarium, anthrax bacteria and so on. With the extensive application of herbicides in agriculture, the use of high efficiency and low toxicity microbial herbicides has attracted the attention of many developed countries such as the United States, Australia, Canada, Russia and other countries, and has carried out a large number of research work involving microorganisms More than 80 kinds. nice