BIO-ECOLOGY AND MANAGEMENT OF INVASIVE LEAF-MINER, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) IN TOMATO

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dc.contributor.advisorSHARMA, P L
dc.contributor.authorNEGI, SARSWATI
dc.date.accessioned2020-01-02T06:54:02Z
dc.date.available2020-01-02T06:54:02Z
dc.date.issued2019-12
dc.description.abstractABSTRACT The present study entitled “Bio-ecology and management of the invasive leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) in tomato” was carried out under laboratory and field conditions at Department of Entomology, Dr. YS Parmar University of Horticulture and Forestry, Nauni, Solan (HP) India during 2015-19. Tuta absoluta has spread to almost all the tomato growing areas of the state with incidence ranging from 1-10 mines per leaf. Biological and population parameters of T. absoluta varied significantly with temperature and host plant. Tomato as host and temperature around 25-30 oC were the most ideal and suitable for its growth and development. Tuta absoluta required 500 degree-days with developmental thresholds of 7.5 oC to complete the development from egg to adult. Nesidiocoris tenuis was found to be an efficient predator with type II functional response to the pest. Based on LC50 values the order of toxicity of the tested insecticides to the pest was chlorantraniliprole > flubandiamide > novaluron > thiamethoxam > imidacloprid > indoxacarb > λ-cyhalothrin > quinalphos > spiromesifen. Under field conditions all the tested insecticides reduced T. absoluta population significantly over control with chlorantraniliprole to bethe most effective.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810139197
dc.keywordsBio-ecology, management, leafminer, tomatoen_US
dc.language.isoenen_US
dc.pages155+viiien_US
dc.publisherUHF,NAUNIen_US
dc.subEntomologyen_US
dc.subjectnullen_US
dc.themeBio-ecology, management, leafminer, tomatoen_US
dc.these.typePh.Den_US
dc.titleBIO-ECOLOGY AND MANAGEMENT OF INVASIVE LEAF-MINER, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) IN TOMATOen_US
dc.typeThesisen_US
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