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- Characteristics of diapause induction of cotton bollworm. 棉铃虫的滞育诱导特性。
- The two-wave-lamp can be used in the forecast of cotton bollworm. 可以将之用于棉铃虫的预测预报。
- Antenna olfaction of Oriental tobacco budworm was more sensitive than cotton bollworm in host selection. 由此证明 ,烟青虫的触角嗅觉在寄主选择中起的作用比棉铃虫的更重要 ,也更专化。
- Cotton bollworm, Helicoverpa armigera (Hubner) outbreaks in Jiangxi almost every year since 1993. 近几年来江西棉铃虫几乎年年大发生。
- Effect of the secondary substances from wheat on the growth and digestive physiology of cotton bollworm. 小麦不同抗蚜品种(系)中吲哚生物碱的含量变化。
- An important commercial viral pesticide is marketed under the trade name Elcar for control of the cotton bollworm Heliothis zea. 一种重要商品病毒杀虫剂商品名为Elcar用于抑制棉铃虫。
- Based on the above results and climate information,the overwintering areas of cotton bollworm in Xinjiang Region is analyzed in this paper. 依据上述研究结果,结合新疆地区的冬季气候特点提出了棉铃虫在新疆地区的越冬区划。
- A two-choice olfactometer was developed to determine the behavioural responses of adult cotton bollworm (Helicoverpa armigera) to plant volatiles. 发展了一种选择性嗅觉仪,用这种嗅觉仪测定了棉铃虫成虫对萎蔫的枫杨叶、新鲜的棉花叶、棉花花蕾、玉米叶及玉米花丝气味的反应。
- Several field strains of cotton bollworm,heliothis armigera,were collected and showed different resistant levels to phoxim and profenofos. 本文选用敏感性不同的几个田间品系,采用点滴法和浸渍法,室内测定了丙溴磷和辛硫磷1:1、1:2、1:3、1:4、1:5和1:6混合的增效程度及其与抗药性的关系。
- Planting resistant cotton varieties, agricultural and chemical control are important measures of integrated management of cotton bollworm. 本文提出适合江西棉区推广应用的棉铃虫综合治理措施,包括种植抗虫棉、农业防治、化学防治等。
- At the same time, substantial rainfall and lower temperature were not conducive to the growth of the cotton bollworm larvae. 同时这段时期大量降雨,气温降低也不利于棉铃虫幼虫的生长。
- The forecasting models of the 4th generation of cotton bollworm had been formed by means of stepwise regression analysis. 运用逐步回归分析,组建了4代棉铃虫发生期和发生量的预测模型。
- These results suggest that peanut must be less suitable for development and reproduction of the cotton bollworm as compared with cotton and corn. 基于这些结果,作者认为棉花、玉米比花生更适合于棉铃虫的生长发育和繁殖。
- The control effect of resistant cotton to the experimental population of cotton bollworm (Helicoverpa armigera)was studied using life table in the laboratory in 1998. 通过室内系统饲养,采用组建种群生命表的方法,研究了取食不同抗性品种对棉铃虫实验种群的影响。
- Adult feeding may be an important factor in population ecology of the cotton bollworm,feeding during the early stage has an especially important role in female fitness. 补充营养可能是棉铃虫种群生态学中的一个重要因素,前期补充营养的作用尤为突出。
- The soluble powder:polythiocycloalkanes, has good effective on the control of pest insects such as two-spotted spider mite, cotton bollworm and citrus red spider mite ect. 简介了产品的毒性毒理概况和应用范围,尤其是防治棉红蜘蛛、棉铃虫、柑桔红蜘蛛等害虫的良好特性。
- Based on the mentioned results above, it is suggested that the populations of cotton bollworm in middle and northern parts around the Bohai sea immigrate from the south. 鉴于环渤海湾南部地区防治棉铃虫的化学农药使用量明显高于北部地区,二地棉铃虫抗药性水平年度间较为一致的结果表明,环渤海湾北部地区棉铃虫由南部地区迁入。
- Abstract: The control effect of resistant cotton to the experimental population of cotton bollworm (Helicoverpa armigera)was studied using life table in the laboratory in 1998. 摘 要: 通过室内系统饲养,采用组建种群生命表的方法,研究了取食不同抗性品种对棉铃虫实验种群的影响。
- Abstract: The control effect of resistant cotton to the experimental population of cotton bollworm (Helicoverpa armigera)was studied using life table in the laboratory in 1998. 文摘:通过室内系统饲养,采用组建种群生命表的方法,研究了取食不同抗性品种对棉铃虫实验种群的影响。
- Abstract The acting factors were used to build a life table of natural populations of the cotton bollworm in northern Xinjiang, and the life table was studied and discussed. 摘要 采用作用因子构建了北疆棉铃虫自然种群生命表,并对棉铃虫种群生命表进行了研究和讨论。