International Journal of Plant Protection

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Studies on the Incidence of Mango Nut Weevil, Sternochaetus mangiferae (Fabricius) in Mango Ecosystem


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1 Regional Research Station (T.N.A.U.) Paiyur (T.N.), India
     

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The incidence of mango nut weevil, Sternochaetus mangiferae (Fabricius) (MNW) commenced during the month of April and noticed till the month of July. Two varieties of mango viz., Neelum and Bangalora were observed for the incidence of MNW, the grub population was higher in Bangalora during the month of April and May and at the same time, as the season progresses during the month of June, the grub population was higher in Neelum. The pupae and adult stages of MNW were noticed during the month of July and during the second season (2016), the grub population in Neelum and Bangalora was found to be in significant during the initial observation. In case of offseason mango, the grub population in both the varieties varied from 0.08 to 0.61 grub per fruit and found to be insignificant in the presence of MNW.

Keywords

Mango, Mango Nut Weevil, S. mangiferae, Incidence, Regular, Off Season.
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  • Kannan, M. and Venugopal, R. (2007). Studies on seasonal, varietal incidence and influence of weather parameters on the population dynamics of mango nut weevil, Sternochaetus mangiferae (Fabricius). Indian J.Ecol., 34 (1) : 62-65.

  • Shukla, R.P. and Prasad, V.G. (1981). Relative susceptibility of mango varieties to oriental fruitfly and stone weevil. Symposium on Recent Advances in Fruit development, Punjab Agricultural University, Ludhiana, Punjab (India) pp.110

  • Shukla, R.P. and Tandon, P.L. (1985). Bio-ecology and management of mango nutweevil, Sternochaetus mangiferae (Coleoptera:Curculionidae) Internat. J.Trop. Agric., 13 (4):293-303.


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  • Studies on the Incidence of Mango Nut Weevil, Sternochaetus mangiferae (Fabricius) in Mango Ecosystem

Abstract Views: 269  |  PDF Views: 0

Authors

P. Thilagam
Regional Research Station (T.N.A.U.) Paiyur (T.N.), India

Abstract


The incidence of mango nut weevil, Sternochaetus mangiferae (Fabricius) (MNW) commenced during the month of April and noticed till the month of July. Two varieties of mango viz., Neelum and Bangalora were observed for the incidence of MNW, the grub population was higher in Bangalora during the month of April and May and at the same time, as the season progresses during the month of June, the grub population was higher in Neelum. The pupae and adult stages of MNW were noticed during the month of July and during the second season (2016), the grub population in Neelum and Bangalora was found to be in significant during the initial observation. In case of offseason mango, the grub population in both the varieties varied from 0.08 to 0.61 grub per fruit and found to be insignificant in the presence of MNW.

Keywords


Mango, Mango Nut Weevil, S. mangiferae, Incidence, Regular, Off Season.

References