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目前广西玉林市部分地方陆续出现全国林业检疫性有害植物薇甘菊侵染林源、攀爬林木现象,全市发现薇甘菊分布面积2000多亩,主要危害马尾松、桉树等树种。防治薇甘菊主要采用人工持续清除、专杀除草剂化学防治。引入田野菟丝子、种植遏制薇甘菊生长的速生树种和利用天敌防治等方法。1.人工清除用人工清除方法灭杀薇甘菊的方法有两种。第一种方法:适用于薇甘菊散生型发生地,主要是指新入侵发生地和已有实施除治的再发生地,其特征是单株相对独立生长。在春季、夏初,薇甘菊藤蔓较短时将其连根拔除,连续
At present, in some parts of Yulin, Guangxi, Mikania micrantha, a national forest quarantine harmful plant, has invaded forest sources and climbed the phenomenon of forest trees. The city has found that the distribution area of Mikania micrantha is more than 2,000 mu, which mainly endangers the species of masson pine and eucalyptus. Prevention and treatment of Mikania mainly use artificial continuous removal, killing the herbicide chemical control. The introduction of field dodder, planted to curb the growth of Mikania micrantha fast growing species and the use of natural enemies and other methods of prevention and treatment. 1. Manual Removal Methods of manual removal of Mikania micrantha There are two ways. The first method: applied to the birthplace of Mikania micrantha, which mainly refers to the place where the new invasion occurred and the place where the remediation has been implemented. It is characterized by relatively independent growth of individual plants. In the spring, early summer, Mikania variegatus will be uprooting and continuous for shorter periods