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5月14日,美国华盛顿州立大学的研究人员发现,他们可以用植物的花粉非常良性地控制果树生产严重的蚜虫。研究者发现,种植甜香雪球可吸引众多蜘蛛和捕食性虫子,它们转而捕食苹果绵蚜等以往种植者用化学喷剂才能控制的
On May 14, researchers at Washington State University in the United States found that they could control the fruit tree to produce serious aphids with the plant’s pollen very benign. The researchers found that planting sweet snowballs can attract a large number of spiders and predatory bugs that in turn predate the use of chemical sprays by previous growers such as apple aphid