Xinjiang Agricultural Sciences ›› 2022, Vol. 59 ›› Issue (11): 2668-2674.DOI: 10.6048/j.issn.1001-4330.2022.11.009

• Plant Protection・Prataculture・Animal Husbandry Veterinarian • Previous Articles     Next Articles

Effects of Temperature and Relative Humidity on Pupation and Eclosion of Overwintering Larvae of Ostrinia furnacalis (Guenée)

DING Xinhua1(), WANG Xiaowu2, FU Kaiyun1, JIA Zunzun1, Tursun Ahmat1, GUO Wenchao1()   

  1. 1. Key Laboratory of Intergraded Management of Harmful Crop Vermin of China Northwestern Oasis, MOARA/Institute of Plant Protection,Xinjiang Academy of Agricultural Sciences,Urumqi 830091,China
    2. Xinjiang Key Laboratory of Special Environmental Microbiology/ Research Institute of Applied Microbiology, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
  • Received:2022-01-15 Online:2022-11-20 Published:2022-12-28
  • Correspondence author: GUO Wenchao
  • Supported by:
    The Key R & D Project of Xinjiang Uygur Autonomous Region(2021B02002-2);National Natural Science Foundation of China "Xinjiang Symmetrical Asian Corn Borer and European Corn Borer Interspecies Differentiation and Environmental Drive Mechanism"(31960538);National Key R&D Program Project "Integrated Research and Demonstration of Northern Corn Fertilizer and Pesticide Reduction Technology"(2017YFD0201800)

温度、相对湿度对亚洲玉米螟Ostrinia furnacalis (Guenée)越冬幼虫化蛹及羽化的影响

丁新华1(), 王小武2, 付开赟1, 贾尊尊1, 吐尔逊・阿合买提1, 郭文超1()   

  1. 1.新疆农业科学院植物保护研究所/农业农村部西北荒漠绿洲作物有害生物综合治理重点实验室,乌鲁木齐 830091
    2.新疆农业科学院微生物应用研究所/新疆特殊环境微生物重点实验室,乌鲁木齐 830091
  • 通讯作者: 郭文超
  • 作者简介:丁新华(1984-),男,河南郸城人,副研究员,研究方向为农业害虫综合防治,(E-mail)dingxinhua1984@163.com
  • 基金资助:
    自治区重点研发计划(2021B02002-2);国家自然科学基金(31960538);国家重点研发计划(2017YFD0201800)

Abstract:

【Objective】 To ascertain the effects of temperature and relative humidity on the pupation and eclosion of overwintering larvae of Ostrinia furnacalis (Guenée). 【Methods】 The effects of temperature and relative humidity on the pupation and eclosion of overwintering larvae of two representative populations of Ostrinia furnacalis in southern and northern Xinjiang were studied by using saturated salt solution method. 【Results】 In the range of given temperature (humidity), the progress of pupation and emergence of overwintering larvae was shortened with the increase of ambient temperature (relative humidity), and the difference was significant (P < 0.05). Compared with other environments, at 28℃ and 75% RH, the shortest chrysalis durations of southern Xinjiang population and northern Xinjiang population were (15.24%±3.02%), (14.11%±2.64%), (21.45%±2.54%) and (18.27%±1.96%), respectively. Pupation rate and eclosion rate were respectively 90.12%, 96.33% and 76.22% plus or minus 5.45%, 74.12%, plus or minus 6.01%, plus or minus 3.77%, 68.13% and 64.39% plus or minus 4.72%. 【Conclusion】 Temperature and relative humidity are the main environmental factors affecting the diapause termination and subsequent development (emergence) of Ostrinia furnacalis. The occurrence of diapause termination and subsequent development (emergence) of the overwintering generation of mature larvae of southern Xinjiang population and northern Xinjiang population geographic population show a “forward” trend with increasing temperature and relative humidity.

Key words: Ostrinia furnacalis (Guenée); pupate; eclosion; temperature; relative humidity

摘要:

【目的】研究温度、相对湿度对亚洲玉米螟Ostrinia furnacalis(Guenée)越冬幼虫化蛹及羽化的影响。【方法】采用饱和盐溶液法研究不同温、湿度梯度下,新疆南北疆2个代表性玉米螟地理种群越冬幼虫化蛹和羽化的响应。【结果】越冬代玉米螟幼虫随着环境温(相对湿度)的增高(增大)化蛹、羽化进度随之缩短且差异显著(P<0.05)。较其他环境,28℃和75%RH,南疆种群、北疆种群玉米螟化蛹历期最短依次为(15.24%±3.02%)、(14.11%±2.64%)和(21.45%±2.54%)、(18.27%±1.96%),化蛹率和羽化率均最高分别为(90.12%、96.33%)和(76.22%±5.45%)、(74.12%±6.01%),(68.13%±3.77%)、(64.39%±4.72%)。【结论】温度、相对湿度是影响玉米螟化蛹和继后发育(羽化)的主要环境因子, 新疆南疆种群、北疆种群越冬代老熟幼虫随着温度、相对湿度的升高化蛹和继后发育(羽化)的发生期呈“前移”趋势。

关键词: 玉米螟, 化蛹, 羽化, 温度, 相对湿度

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