论文部分内容阅读
棉蓟马是新疆棉花苗期主要害虫之一、因虫体小,往往不加重视,防治也不及时,常使棉苗严重受害,使产最降低或成熟延迟.因此,1960年在莎车进行了初步观察,现摘要如下:一、发生经过及习性1.寄主植物:棉蓟马寄主植物很多,主要有:棉花、大葱、大蒜、洋葱、豌豆、红花、什花、向日葵、蓖麻、茄、菊芋、冬苋菜、黄花苦豆子、独行菜、膜果多籽草、毛连矢车菊等.2.越冬情况:棉蓟马主要在大葱、蓖麻、冬苋菜、白菜、独行菜、毛连矢车菊的植株附近的土块下或昆虫孔洞隧道中越冬,深度一般为0.5—2厘米,最深不超过
Cotton thrips is one of the main pests of Xinjiang cotton seedling stage, because of the small body, often pay no attention to, prevention and treatment are not timely, often causing severe damage to cotton seedlings, so that the production of the most reduced or mature delay.Therefore, A preliminary observation, the summary is as follows: First, the occurrence of Habitat 1 host plant: Thrips host plant many, there are: cotton, green onions, garlic, onions, peas, safflower, flowers, sunflower, castor , Solanum, Jerusalem artichoke, winter amaranth, yellow bitter beans, lily, fruit and more seeds and grass, hair with cornflowers, etc. 2. Winter conditions: cotton thrips mainly in green onions, castor, winter amaranth, cabbage, , Wool with cornflowers near the soil block under the earth or insect tunnels in winter, the depth is generally 0.5-2 cm, the deepest does not exceed