青海农林科技
青海農林科技
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SCIENCE AND TECHNOLOGY OF QINGHAI AGRICULTURE AND FORESTRY
2012年
3期
4-5
,共2页
茴香薄翅野螟%幼虫%为害调查
茴香薄翅野螟%幼蟲%為害調查
회향박시야명%유충%위해조사
Evergestis extimalis Scopoli%Larvae%Damage investigation
经抽样调查表明,2008年西宁市周边、湟中县、平安县、互助县和大通县油菜种植区茴香薄翅野螟幼虫的平均为害率分别是42.66%、10.2%、11.92%、6.67%和6.02%。
經抽樣調查錶明,2008年西寧市週邊、湟中縣、平安縣、互助縣和大通縣油菜種植區茴香薄翅野螟幼蟲的平均為害率分彆是42.66%、10.2%、11.92%、6.67%和6.02%。
경추양조사표명,2008년서저시주변、황중현、평안현、호조현화대통현유채충식구회향박시야명유충적평균위해솔분별시42.66%、10.2%、11.92%、6.67%화6.02%。
The result show that around Xining City, Huangzhong County, Pingan County, Huzhu County and Datong County the average damage rate of Evergestis extimalis Scopoli larvae were respectively 42. 66%, 10. 2%, 11.92%, 6. 67% and 6. 02% in the rape fields.
