POPULATION DYNAMICS AND MANAGEMENT OF APHID, Aphis craccivora Koch IN COWPEA, Vigna unguiculata (L.) Walp. GROWN FOR SEED PURPOSE

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dc.contributor.advisorDr. H. P. Patel
dc.contributor.authorMayur G. Borad
dc.date.accessioned2020-06-30T06:41:14Z
dc.date.available2020-06-30T06:41:14Z
dc.date.issued2018
dc.description.abstractInvestigations on “Population dynamics and management of aphid, Aphis craccivora Koch in cowpea, Vigna unguiculata (L.) Walp. grown for seed purpose” were carried out at Main Vegetable Research Station, Anand Agricultural University, Anand (Gujarat) during summer and kharif, 2017. Aphid population first appeared during first week of March in summer, 2017 when crop at vegetative growth stage. Incidence of the aphid on cowpea was observed from March to April. Initially, its population was low, gradually increased in its numbers and attained peak level (27.14/3 cm twig) at flowering to pod developing stage during first week of April. Then after, aphid population decreased and disappeared with the maturity of crop from first week of May. Aphid incidence was found higher during 1st to 4th week of April. In kharif, 2017 population of aphid first appeared during 4th week of August and gradually increased up to the 3rd week of October and then after disappeared from 1st week of November. It’s peak level (30.10/3 cm twig) was found in 1st week of October, coincide with the flowering to pod developing stage of the crop. No significant impact of studied abiotic factors was observed on aphid population.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810148288
dc.keywordsPOPULATION DYNAMICS AND MANAGEMENT OF APHID, Aphis craccivora Koch IN COWPEA, Vigna unguiculata (L.) Walp. GROWN FOR SEED PURPOSEen_US
dc.language.isoen_USen_US
dc.publisherDEPARTMENT OF AGRICULTURAL ENTOMOLOGY B. A. COLLEGE OF AGRICULTURE ANAND AGRICULTURAL UNIVERSITY ANANDen_US
dc.subAgricultural Entomologyen_US
dc.subjectnullen_US
dc.themePOPULATION DYNAMICS AND MANAGEMENT OF APHID, Aphis craccivora Koch IN COWPEA, Vigna unguiculata (L.) Walp. GROWN FOR SEED PURPOSEen_US
dc.these.typeM.Scen_US
dc.titlePOPULATION DYNAMICS AND MANAGEMENT OF APHID, Aphis craccivora Koch IN COWPEA, Vigna unguiculata (L.) Walp. GROWN FOR SEED PURPOSEen_US
dc.typeThesisen_US
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