云南蒙自桔小实蝇寄主种类和枇杷园内桔小实蝇成虫种群动态及其影响因子

发布时间：2018-08-16 17:49

【摘要】：桔小实蝇(Bactrocera dorsalis)是水果和蔬菜上的重要害虫。2014年1—12月对云南蒙自市不同果园和菜地桔小实蝇进行调查并室内饲养观察,结果表明,桔小实蝇在蒙自市为害8科19属20种的瓜果蔬菜,且对枇杷、桃、枣、番石榴、gg果和洋蒲桃等水果为害较为严重;从田间采集受害寄主果实进行单果培养,收集到实蝇共计4种,分别为桔小实蝇、瓜实蝇(Bactrocera cucuribitae)、南亚实蝇(Bactrocera tau)和辣椒实蝇(Bactrocera latifrons)。桔小实蝇在蒙自全年均可为害,且世代重叠。枇杷园内,进入5月后,桔小实蝇种群数量逐渐增加,至8月份达到高峰期,最大诱捕量为(362.27±16.68)头·瓶-1,10月以后其种群数量迅速下降,至12月种群数量最低(6.14±3.06)头·瓶-1。多种气象因子互相作用影响桔小实蝇种群数量变动,其中月平均气温、月极端最低温度、月雨日数和平均日照时数是影响桔小实蝇种群数量变动的主要因素。
[Abstract]:Fruit fly (Bactrocera dorsalis) is an important pest in fruits and vegetables. From January to December 2014, the fruit flies were investigated in different orchards and vegetable fields in Yunnan Province, and the results showed that, In Mengzi City, the fruit and vegetables of 20 species of fruit and melon, belonging to 19 genera and 8 families, were harmful to the fruits of loquat, peach, jujube, guava GG and Peach, etc. The injured host fruits were collected from the field for single fruit culture. A total of 4 species of fruit flies were collected, including orange fruit fly, melon fruit fly, (Bactrocera cucuribitae), (Bactrocera tau) of South Asia and (Bactrocera latifrons). Of capsicum. The fruit fly can be harmful in the whole year of Mongolia, and the generations overlap. In loquat orchard, the population of fruit fly increased gradually after May, and reached its peak in August, and the maximum entrapment was (362.27 卤16.68) head bottle -1. After October, the population number decreased rapidly and reached the lowest level in December (6.14 卤3.06). The interaction of various meteorological factors affected the population changes of fruit fly, in which the monthly mean temperature, monthly extreme minimum temperature, monthly rain days and average sunshine hours were the main factors affecting the population change of fruit fly.
【作者单位】：云南农业大学植物保护学院;蒙自市植检植保站;蒙自市果蔬技术推广站;
【基金】：国家质检总局项目(2015K295) 云南省科技计划项目(2013EG019)资助
【分类号】：S433

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