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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2018, Vol. 6, Issue 4
Survey of mango stone weevil, Sternochetus mangiferae (Fabricius) and pulp weevil, Sternochetus frigidus (Fabricius) (Curculionidae: Coleoptera) in South Gujarat

KM Patel, MR Siddhapara and GG Radadia

The aim of present study is to focus on pest free area of south Gujarat region from mango stone weevil, Sternochetus mangiferae (Fabricius) and mango pulp weevil, S. frigidus. For this purpose Department of Entomology, N. M. College of Agriculture, Navsari Agricultural University, Navsari (Gujarat) India conducted roving survey. The field survey was conducted during April 2017 to June 2017 in different talukas of Navsari, Valsad, Surat, Dangs and Tapi districts of south Gujarat in different varieties of mango to know the status of mango stone weevil. For said survey programme, total 65 villages of 17 talukas in five districts of south Gujarat area were randomly selected and among them, 172 (6880 fruits) mango orchards were surveyed for the detection of mango stone weevil and pulp weevil. All random sampling fruits were longitudinal cut open and dissection of stones were made to know the presence of mango weevils. Incidence of stone weevil was observed only in two villages viz., Nargol, Umargam Taluka, Valsad district and Kesali, Chikhli Taluka, Navsari district. The observations from field report revealed that overall percent infestation of stone weevil was found 0.48 percent in south Gujarat. The maximum (1.29%) infestation was found in Valsad district while it was minimum (0.04%) in Navsari district. Moreover, the infestation of mango stone weevil was not observed in other surveyed parts of the south Gujarat. The maximum infestation was seen in Local cultivar (Deshi) (2.05%) while it was minimum in variety Kesar (0.14%). Variety viz., Alphanso, Amrapali, Dadam, Karanjio, Neelum, Rush, Sabja, Sardar and Totapuri exhibited zero percent infestation of mango stone weevil. The result further indicated that mango pulp weevil was not observed in south Gujarat during survey period.
Pages : 1490-1496 | 863 Views | 364 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
KM Patel, MR Siddhapara, GG Radadia. Survey of mango stone weevil, Sternochetus mangiferae (Fabricius) and pulp weevil, Sternochetus frigidus (Fabricius) (Curculionidae: Coleoptera) in South Gujarat. J Entomol Zool Stud 2018;6(4):1490-1496.

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