KANGZong-jiang,ZHULiang,GONGYa-jun,et al.The‘EdgeEffect’oftheOccurrenceofGrapholitamolesta (Lepidoptera:Tortricidae)inPeachOrchards[J].Northern Horticulture,2012,36(11):149-151.
梨小食心虫在桃园中发生危害的“边缘效应”研究
- Title:
- The‘EdgeEffect’oftheOccurrenceofGrapholitamolesta (Lepidoptera:Tortricidae)inPeachOrchards
- 文章编号:
- 1001-0009(2012)11-0149-03
- Keywords:
- Grapholitamolesta; peachorchard; population; edgeeffect
- 分类号:
- S436.621.2+9
- 文献标志码:
- A
- 摘要:
- 梨小食心虫作为桃园中的重要害虫,研究其边缘效应有助于准确地把握其在园中的分布格局。现对多种类型的桃园进行研究,详细地掌握其发生动态和变化规律,从而为梨小食心虫的“边缘效应”及其发生强度的分析和指导防治提供理论基础。结果表明:梨小食心虫的发生“边缘效应”非常明显,边缘第1行与第10行树的桃蛀梢率差异非常显著,说明早春在桃园中对梨小食心虫种群的第1、2代防治工作时,应以边缘为主,采取综合防治措施和手段,压低初期的虫口基数,达到低投入高防效、理想的防治效果。
- Abstract:
- Grapholitamolesta(Lepidoptera:Tortricidae)isoneofthemostseriouspestinpeachorchard.Thestudyonitsedgeeffectofoccurrenceinthepeachorchardishelpfultounderstanditsdistribution,populationdynamicsandmanagement.TheresultsshowedthattheedgeeffectoftheGrapholitamolestainthepeachorchardswasobviously.Thereweresignificantdifferencebetweenthefirstlineandthetenthline.Ourstudysuggestedthatinthecontrollingthispestinearlierspring,theedgeregionshouldbepaidmoreattention.
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备注/Memo
第一作者简介:康总江(1956-),男,本科,农艺师,现主要从事害虫综合治理工作。
责任作者:石宝才(1955-),男,本科,研究员,现主要从事害虫综合治理工作。E-mail:shibaocai@sohu.com。
基金项目:农业行业科研专项资助项目(200803006);国家桃产业技术体系资助项目(NYCYTX-31-02)。
收稿日期:2012-02-02