International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 10, Issue:1, January, 2021

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2021.10(1): 1730-1738

Incidence of San Jose Scale, (Quadraspidiotus perniciosus Comstock) in Relation to Abiotic Factors on Apple Tree
Insha Hamid1*, A.R. Wani1, M.A. Sofi1, S.S. Pathania1, Nageena nazir2,Mohd. Saleem Mir3 and G.I. Hassan4
1Division of Entomology, 2Division of Agricultural Statistics, 3Directorate Research,
4Division of RCRQA, Sher-e-Kashmir University of Agricultural Science & Technology,
Kashmir, (J. & K.), India
*Corresponding author

Studies on the incidence of San Jose scale, Quadraspidiotus perniciosus (Comstock) was undertaken in Baramulla and Budgam districts of Kashmir valley. Highest mean per cent incidence of 32.06 was recorded in Baramulla, while as, lowest 25.65 per cent was recorded in district Budgam. Highest mean per cent incidence of 37.85 was observed in low elevation of district Baramulla followed by 31.33 per cent in low elevation of district Budgam. A positive and significant correlation was found between incidence with maximum temperature, maximum relative humidityand sunshine hours in district Baramulla and Budgam. Multiple regression analysis revealed maximum temperature contribute maximum to incidence followed by maximum relative humidity and sunshine hours in both the districts.

Keywords: San Jose scale,
Quadraspidiotus perniciosus,
Abiotic factors
Apple tree

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How to cite this article:

Insha Hamid, A.R. Wani, M.A. Sofi, S.S. Pathania, Nageena nazir, Mohd. Saleem Mir and Hassan, G.I. 2021. Incidence of San Jose Scale, (Quadraspidiotus perniciosus Comstock) in Relation to Abiotic Factors on Apple Tree.Int.J.Curr.Microbiol.App.Sci. 10(1): 1730-1738. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.