{"title":"Impact of Temperature Regimes on the Growth and Development of Cryptolaemus montrouzieri on Planococcus citri in Guava","authors":"Allwin Loveson, Durairaj Cinnasamy","doi":"10.18811/ijpen.v8i01.13","DOIUrl":null,"url":null,"abstract":"Under laboratory condition the developmental periods of Cryptolaemus montrouzieri was reduced to an extent of 22.7 days at 35°C when fed with Planococcus citri while it was maximum (39.0 days) at 20°C. The adult longevity ranged from 47.4 to 51.2 days at 25°C and was less (37.6 days) at 35°C for both the sexes. The number of eggs laid per female (328.5) and feeding potential (182.6 nos) were maximum at 30°C than at 20°C and 35°C.","PeriodicalId":14298,"journal":{"name":"INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2022-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.18811/ijpen.v8i01.13","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Under laboratory condition the developmental periods of Cryptolaemus montrouzieri was reduced to an extent of 22.7 days at 35°C when fed with Planococcus citri while it was maximum (39.0 days) at 20°C. The adult longevity ranged from 47.4 to 51.2 days at 25°C and was less (37.6 days) at 35°C for both the sexes. The number of eggs laid per female (328.5) and feeding potential (182.6 nos) were maximum at 30°C than at 20°C and 35°C.
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