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玉米螟广布于世界各地,为害多种农作物。利用抗虫品种治螟是一个重要途径,对此,美国已研究了40多年。近年来在抗螟机制、抗螟遗传基因等方面都取得了一些进展。在抗螟玉米品系方面发现了高抗品系CI.31A,B49,6008,A619等多种。其中如加拿大的A619,不仅携带最优势的抗螟基因,同时还具有良好的农艺性状。为供我国有关工作者参考,现将搜集到的部分研究结果汇总如下。
Corn borer widely spread around the world, a variety of crops harm. The use of insect-resistant varieties of rice borer is an important way, which, the United States has been studying for more than 40 years. In recent years, some advances have been made in the fields of anti-stem borer mechanism, anti-stem borer gene and the like. In the anti-stem borer corn lines found in high resistance strains CI.31A, B49, 6008, A619 and many other. Among them, such as Canada’s A619, not only carry the most advantageous resistance to borer genes, but also has good agronomic traits. For the reference of the relevant workers in our country, we will summarize some of the findings we have collected.