作物病毒防治新途径Ｔ．Ｍｉｃｈａｅｌ等大多数粮食作物受病毒为害而遭到严重损失或绝产。在热带和亚热带的发展中国家，问题尤为严重，在这些人口密度高的国家，作物种植方式、病毒诊断及防治技术都很落后，很少使用昂贵的化学防治。因此，昆虫、线虫或真菌传毒介体容易... New approach to crop virus control. Most food crops such as Michael were severely damaged or killed by the virus. The problem is particularly acute in tropical and subtropical developing countries, where cropping patterns, virus diagnosis and control technologies are poor and rarely costly chemical control is used in these densely populated countries. Therefore, insects, nematodes or fungi are easy to mediate ...