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山东省淄博市高青县段逢军的西瓜大棚里近期迎来了一支灭蚜“军队”。这支由500只异色瓢虫组成的灭蚜队伍是山东农业大学新农村发展研究院副院长、植物保护学院教授刘玉升的“杰作”。刘玉升经过多年研究,建立了利用异色瓢虫控制蚜虫的技术系统,并将这套系统应用于西瓜、哈密瓜、草莓、西葫芦大棚的实际生产中,既省钱省工,又有很好的治理效果,受到农民的喜爱。蚜虫的危害具有趋嫩性,特别是在春季4-6月份,危害性十分显著,成为蚜虫危害大用药弊端多
Gaoqing County, Zibo City, Shandong Province, fengjun watermelon shed ushered in a recent off aphids “army ”. The team of 500 aphid-killing ladybugs is the “masterpiece” of Liu Yusheng, associate dean of the Institute of New Rural Development at Shandong Agricultural University, professor at the Plant Protection School. After many years of research, Liu Yu-sheng has established a technical system for controlling aphids using the heterochromatic ladybug and has applied the system to the actual production of watermelon, cantaloupe, strawberry and zucchini greenhouse, which saves money and saves labor as well as good governance Effect, by farmers favorite. The harm of aphids tendentious, especially in spring from April to June, the hazard is very significant, as aphids harm large-scale application of malpractice