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抗虫性的定义是一个品种在相同虫口的情况下,与其它品种相比较,有较大量的不受虫害的优良植株。寄主抗性有三种主要原因: 1)非嗜好性——在抗虫的品种植株上,害虫不吃,不产卵,不作为隐蔽场所。 2)抗生性——寄主植株不利于害虫的生长发育与生存。 3)耐虫性——寄主植株对虫害具有耐性,甚至是严重的危害对作物产量也没有明显的影响。近十年来,培育抗主要害虫的抗性品种取得了显著成就,这些品种在亚洲与非洲的
Insect resistance is defined as a variety of the same population of insects, compared with other varieties, there is a large number of excellent plants without pests. There are three main reasons for host resistance: 1) Non-hobbies - insects do not eat or spawn on insect-resistant plants and are not hidden places. 2) Antibiotics - host plants are not conducive to the growth and development of pests and survival. 3) Resistance to insects - host plants are resistant to pests, and even serious harm does not have a significant impact on crop yields. In the past decade, remarkable achievements have been made in cultivating resistant varieties resistant to major pests. These varieties have been widely used in Asia and Africa