Biosecurity Queensland, Department of Agriculture and Fisheries, GPO Box 267, Brisbane, Qld 4001, Australia.
CABI, P.O. Box 633-00621, Nairobi, Kenya.
Curr Opin Insect Sci. 2020 Apr;38:92-98. doi: 10.1016/j.cois.2020.02.004. Epub 2020 Mar 6.
Invasive alien plants have a significant impact on biodiversity, crop and pasture production, human and animal health, water resources, and economic development. As most low- and middle-income countries do not have the resources to actively manage invasive plants, many have intentionally introduced biological control agents to help manage their most important weeds. Some of these introductions have resulted in the successful control of numerous weeds such as Chromolaena odorata, Mimosa diplotricha, Pistia stratiotes, and Salvinia molesta. These successes are partly due to the reliance on biological control agents that have been tested and utilized elsewhere. However, despite the successes in weed biological control to date, many low- and middle-income countries are reluctant to pursue weed biological control, due to poor perceptions of biological control and lack of capacity. This results in missed opportunities to manage many weeds cost-effectively, and in so doing, increasing production costs and a dependency on herbicides.
入侵的外来植物对生物多样性、作物和牧场生产、人类和动物健康、水资源以及经济发展有重大影响。由于大多数低收入和中等收入国家没有资源来积极管理入侵植物，因此许多国家有意引入生物防治剂来帮助管理其最重要的杂草。其中一些引入已经成功控制了许多杂草，如假臭草、含羞草、大薸和水葫芦。这些成功在一定程度上是由于依赖经过测试和在其他地方使用过的生物防治剂。然而，尽管迄今为止在杂草生物防治方面取得了成功，但许多低收入和中等收入国家由于对生物防治的认识不足和缺乏能力，不愿意开展杂草生物防治。这导致错失了许多以具有成本效益的方式管理杂草的机会，从而增加了生产成本并依赖于除草剂。
