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蓟马是我省甘蔗上的主要害虫之一。全省发生面积达90％,产量损失5—20％。自1988年以来,我们对全省甘蔗上蓟马的发生作了调查研究,并针对其发生特点,研究了适合全省广大蔗区的防治技术。一、发生种类及特点 (一)种类。目前甘蔗上已发现并鉴定的前马主要有:甘蔗蓟马、稻蓟马、稻管蓟马、中华管蓟马、花蓟马、禾蓟马等。其中以甘蔗蓟马、稻蓟马为优势种。 (二)特点 1、甘蔗蓟马(这里指甘蔗上所有前马的总称。下同)主要以成虫和若虫集中于甘蔗未展开的心叶内
Thrips is one of the major pests on sugar cane in our province. The province has an area of 90%, yield loss of 5-20%. Since 1988, we conducted a survey on the occurrence of thrips on sugar cane in the whole province. According to the characteristics of the occurrence, we studied the control techniques suitable for the majority of sugarcane areas in the province. First, the occurrence of types and characteristics (a) types. At present, sugarcane has been found and identified the main horse are: sugarcane thrips, rice thrips, rice thrips, thrips, thrips, thrips and other thrips. Among them, sugarcane thrips and rice thrips were the dominant species. (B) Features 1, sugarcane thrips (here refers to the former horse on the sugarcane collectively. The same below) mainly to adults and nymphs in the untwisted cane hearts