FENG Li-rong,LAI You-peng,ZHANG Deng-feng,et al.Investigation of Population Dynamic of Plutella xylostella in Spring Rape of Qinghai Plateau[J].Northern Horticulture,2013,37(21):129-131.
高原春油菜区小菜蛾成虫种群发生动态调查
- Title:
- Investigation of Population Dynamic of Plutella xylostella in Spring Rape of Qinghai Plateau
- 文章编号:
- 1001-0009(2013)21-0129-03
- 分类号:
- S 435.654
- 文献标志码:
- A
- 摘要:
- 采用诱集法，对小菜蛾成虫种群发生动态及越冬情况进行了调查。结果表明：小菜蛾成虫在3个监测点发生动态均不同，其中互助县的监测点1 a发生3个高峰，分别在5月上旬、7月中旬和10月中旬；西宁市的监测点1 a发生3个高峰，分别在5月上旬、7月下旬和10月下旬；湟中县的监测点全年在5月上旬只出现了1个高峰,其中的主要原因是降雨量的影响。3个监测点最高峰的旬均蛾量分别为246.3、335.7、472.0头。通过越冬试验表明小菜蛾在青海不能越冬。
- Abstract:
- Using sex attractant by trapping method,the population dynamics of Plutella xylostella(L.) and overwintering conditions were investigated.The results showed that the population dynamics of Plutella xylostella(L.) in three monitoring stations were different：there were 3 peaks in 1 year of Huzhu County，which were in early May，middle July and middle October respectively；there were 3 peaks in 1 year of Xining city，which were in early May，late July and late October；there was only 1 peak in 1 year of Huangzhong County，which was in early May，the main reason was the influence of rainfall.The average quantity of moths were 246.3，335.7 and 472.0 respectively.Through overwintering investigation experiment on Plutella xylostella(L.)，the results showed that the Plutella xylostella(L.) in Qinghai could not overwintering.
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备注/Memo
第一作者简介：冯丽荣（1988-），女，硕士研究生,现主要从事昆虫及农药毒理学等研究工作。E-mail：fenglirongqh@163.com.