EFFECT OF TEMPERATURE AND RELATIVE HUMIDITY ON THE LIFE CYCLE OF Clzelonus blackburni Cameron AND ITS SUSCEPTIBILITY TO CERTAIN INSECTICIDES
dc.contributor.advisor | AZIZ, A.A. | |
dc.contributor.author | SAKTHIVEL, R. | |
dc.date.accessioned | 2018-06-06T09:18:56Z | |
dc.date.available | 2018-06-06T09:18:56Z | |
dc.date.issued | 2000 | |
dc.description.abstract | Studieswereconductedundercontrolledconditionsinthebiologicalcontrol laboratory of the Department of Entomology, College of Agriculture, Rajendranagartoevaluatetheeffectofdifferentcombinationsoftemperatureand relativehumidityonthelifecycleofChe/onusblack/77m”.anegg—larvalparasitoid anditssusceptibilitytoselectedinsecticides. ThoughthesuccessfuldevelopmentofC. black/mrniobservedatallthethreelevelsoftemperatureandrelativehumiditytested,maximum numberof parasitoidadultsemergedatatemperatureof28il°Cand80i2% RH. Themean developmentalperiodsofC. b/ac/rburnionthefactituoushostCorcymcap/7010mm were37.07, 33.53 and 28.08 daysat 285°C & 80i2% ; 3lil°C & 60i2%and 34fil°C&40j2%oftemperatureand RHrespectively. Itwas35.13 daysunder ambientconditions. Theadultparasitoidsexhibitedamean longevityofl2.88,8.92and7.34 daysatthetemperatureandRHlevelsof28il°C&80:2%,3l:l°C&60i2%and 34il°C & 401L205 respectively when fed with [0 per cent honey solution. Underunfedconditions.thecorrespondinglongevitywereonly3.98,3.38and2.92 days. Therewas no significant difference in longevity obserfid when the adult parasitoidswereprovidedwithhosteggsandwithouthosteggsforparasitisation. Toxicity of three insecticides viz., chlorpyriphos (0.1%), monocrotophos(0.04%)andtenvalerate(0.02%)againsttheadultparasitoidswere evaluatedthroughdryfilmtechniqueandleafcontactmethod. Inboththemethods, exposureofadultparasitoidstoinsecticidesresultedin100percentmortality. The median lethal time (LTso) forthese insecticides against C. black/721ml was also workedoutbyfollowingprobitanalysis. TheIsl-(50)valueswererecordedtobe 5.83, 8.63 and 14.01 hours for chlorpyriphos, monocrotophos and fenvalerate respectively. | en_US |
dc.identifier.citation | D6095 | en_US |
dc.identifier.uri | http://krishikosh.egranth.ac.in/handle/1/5810049492 | |
dc.keywords | EFFECT OF TEMPERATURE AND RELATIVE HUMIDITY ON THE LIFE CYCLE OF Clzelonus blackburni Cameron AND ITS SUSCEPTIBILITY TO CERTAIN INSECTICIDES | en_US |
dc.language.iso | en | en_US |
dc.publisher | Professor Jayashankar Telangana State Agricultural University | en_US |
dc.sub | Agriculture | en_US |
dc.these.type | M.Sc | |
dc.title | EFFECT OF TEMPERATURE AND RELATIVE HUMIDITY ON THE LIFE CYCLE OF Clzelonus blackburni Cameron AND ITS SUSCEPTIBILITY TO CERTAIN INSECTICIDES | en_US |
dc.type | Thesis | en_US |
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