應(yīng)用綠僵菌防治德國小蠊的機(jī)理與方法研究.pdf

1、主席委員碩士學(xué)位論文應(yīng)用綠僵菌防治德國小蠊的機(jī)理與方法研究專業(yè)：動(dòng)物學(xué)作者：任向輝導(dǎo)師：何國鋒副教授答辯委員會(huì)組成：(簽名)徹互、星767659中山大學(xué)有害生物控制與資源利用國家重點(diǎn)實(shí)驗(yàn)室／昆蟲學(xué)研究所2005年5月18FI籀StudiesonMechanismandMethodtoControlGermanCockroach，Blattellagermanica，usingMetarhiziumanisopliaeZoologyNam

2、e：RENXianghuiSupervisor：AssociatedProfHEGuofengAbstractThemainformsofbiologicalcontrolofcockroachesthathadbeeninvestigatedwereentomogenonsfungi，parasitoids，andentomophilicnematodesSomeresearchhadalsobeendoneonviruses，ent

3、omopathogenicprotozoa，andpredatorsofcockroachesBecausetheGermanCockroach[Blattellagermanica(Linnaeus)】wasmoreharmfulanddifficultthanothercockroachesincontroled，thebiorational—controlmethodsandtheoriesofgermancockroachhad

4、cometoourattentionMetarhiziumanisopliae[Metarhiziumanisopliae(Metsch)Sorokin]withiswithoutresidue，likeshumidityItcouldbringallepidemicoutbreakinthepopulationoftheirhostthatCancausethedeathofgermancockroach，thatisakindofp

5、hotonegative，gregariouspestandmakeresistanceeasilyTherefore，moreandmorestudiesarefocusoncontrolgermancockroachbyusingMetarhiziumanisopliaeHoweverwecan’tfindtheliteratureofthegermancockroachgreenmuscardine’Shistopathology

6、byusingtissuesectiontechniqueInthispaper，thevirulenceofsevenMetarhiziumstrainsagainstthegermancockroacheswasselectedbyinjectionmethod，andapathogenicstrainwasselectedandthenpassedthroughsixtimesrej’uvenationTheLTsovalueso