摘要
生物防治是全区域虫害综合治理(AW-IPM)的重要措施[1],以虫治虫则是生物防治的一种关键技术。用机械代替人工可以减少投放时间,有益于工作者的健康和安全。目前,国外已开发了覆盖航空投放和地面投放的多种机具,并进行了田间大规模投放天敌试验。而我国仍以人工投放为主,缺乏相应的机具和评估投放效果的方法。在结合我国农业生产发展及病虫害特点,考虑天敌生理特性和借鉴国外发达国家相关机具开发的基础上,研制了一套针对异色瓢虫的投放装置,并对其投放效果进行了研究。
引文
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