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Investigation of Population Dynamic of Plutella xylostella in Spring Rape of Qinghai Plateau(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年21期
Page:
129-131
Research Field:
Publishing date:

Info

Title:
Investigation of Population Dynamic of Plutella xylostella in Spring Rape of Qinghai Plateau
Author(s):
FENG Li-rong12LAI You-peng12ZHANG Deng-feng12GUO Qing-yun12
1.Institute of Plant Protection of Academy of Agriculture and Forestry,Qinghai University,Xining,Qinghai 810016;
2.The Tibet Plateau Biotechnology Key Lab of Ministry of Education,Xining,Qinghai 810016
Keywords:
Plutella xylostella (L.)population dynamicsoverwintering investigationspring rape
PACS:
S 435.654
DOI:
-
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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Last Update: 2014-08-27