湘豐茶場茶園害蟲生態(tài)控制研究.pdf

1、湖南農(nóng)業(yè)大學(xué)碩士學(xué)位論文湘豐茶場茶園害蟲生態(tài)控制研究姓名：侯柏華申請學(xué)位級別：碩士專業(yè)：農(nóng)業(yè)昆蟲與害蟲防治指導(dǎo)教師：譚濟才2003.6.1EcologicalcontrolonteainsectpestsinXiangfengteaplantation【Abstract】InthispaperthebackgroundoftheecologicalcontrolonteapestswasreviewedEcologicalcontrol

2、onteapestsisanewstrategyofpestmanagementItspeculiarityprinciplesandmethodswerediscussedItispositthatecologicalcontrolofpestsisapieceofsystematicworks，andthepestisjUStoneelementoftheecologicalsysteminteagardenWeshouldstud

3、yallthemainfactorsinthissystemcarefullyandacquiremuchenoughaboutthestructureandfimctionsofthissystem，andthentakestepstocontrolthemcorrespondinglyEcologicalcontrolonteainsectpestsinXiangfengteaplantationWaSdoneaccordingto

4、aboveideaandpractice，whichobtainedfromtheformerresearchFollowingsarethemainstudiesinthispaper1InvestigationofinsectcommunityThereare90Speciesofinsectandmitepestsfrom43Familias，11Ordos，and2Classesi駔theplantationLeaffeeder

5、sfLepidoptera：Lymantriidae、Psychidae、Limacodidiae)arethemajorones，32species，3555％oftheinsectpestscommunityLeafsuckers(Homoptera)arethesecondones，19species，2111％oftheinsectpestscommunityandinsectpestsofColeopteraarethethi

6、rdones12species，1333％oftheinsectpestscommunityThereareover60Speciesofnaturalenemyfrom30Familias，10Ordos，and2ClassesPredatoryladybirdsandCarabidae，parasiticwasps，spidersarethedominantspecies2Dynamicsofinsectpestscommunity

7、Theseasonalpatternofthecommunityisdividedinto4phase，oneisfromOctober～DecembertheyearbeforetoJanuary～March，thesecondoneisApril^VMaythethirdoneisJane—。JulythefourthoneisAugust—vSeptemberSomeparametersofthecommunityshowthat

8、speciesrichnessofApril～Septemberisthehighest，diversityindexofApril～Mayisthesmallest，evennessofApril～Septemberisthesmallest，dominantindicesofApriltoSeptemberisthehighestSothephasefromApriltoSeptemberisthephaSeofthenumbero