近几年来,北京地区茄子裂果日趋普遍而严重,以晚春早夏播和夏播茄子比较多见。经过一年来的工作,现已明确茄子裂果是由茶黄螨引起的。现将我们所作的部分调查研究工作以及有关资料整理如下。一、寄主与为害情况茶黄螨的食性极杂,寄主植物相当广泛,约有30个科的70多种植物,包括多种农作物、观赏植物和野生植物。据我们在北京地区的 In recent years, the cracking of eggplant in Beijing is becoming more and more common and serious. Early summer sowing and summer sowing of eggplant are more common in late spring. After a year of work, it is now clear that eggplant cracked fruit is caused by the yellow mite. Now we make part of the investigation and research work and the relevant information is as follows. First, the host and the damage situation Egg dite mimicry diet, host a wide range of plants, about 30 branches of more than 70 kinds of plants, including a variety of crops, ornamental plants and wild plants. According to us in the Beijing area