以前进行大田和实验室试验曾表明,昆虫不愿在有刺的植物上产卵。美国农业研究局和印弟安纳州的研究者在用谷物叶跳(虫甲)进行的大田试验中肯定了上述现象。谷物叶跳(虫甲)是美国中西部小麦的一种严重害虫。在大田中种植了四个小麦品种:“阿瑟”是广泛种植的品种,叶面比较 Previous field and laboratory tests have shown that insects do not want to spawn on barbed plants. Researchers at the Bureau of Agricultural Research and in Indiana state acknowledge this phenomenon in field trials conducted with the leafhopper (pest). Cereal leaf hopper (pest) is a serious pest of wheat in the Midwestern United States. Four wheat cultivars were planted in the field: “Arthur” is a widely cultivated variety with more foliage