The role of meteorological factors on the infestation of spotted bollworm of cotton

Authors

  • SJ MASKE Meteorological Office, Pune
  • RC DUBEY Meteorological Office, Pune
  • JA RONGHE Meteorological Office, Pune

DOI:

https://doi.org/10.54302/mausam.v37i1.2157

Abstract

A statistical analysis of weekly mean meteorological factors like minimum temperature, maximum temperature, relative humidities, sunshine hours, rainfall and seasonal index of the yearly   percentage infestation of spotted bollworm (earias spp.) in cotton crop grown at Surat in Gujarat State during 1962-80 is done by applying simple and multi-correlation regression techniques. Sunshine hours during squaring period, relative humidity and rainfall during flowering period, minimum and maximum temperatures at the time of boll formation play an important role in the infestation. Flower buds and bolls are most vulnerable parts of the crop. Heavy incidences occur in parts of west Uttar Pradesh, Vidarbha, Gujarat, north Interior Karnataka and Andhra Pradesh during months of September to November which is mostly boll-formation stage period lor the crop growth.

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Published

01-01-1986

How to Cite

[1]
S. MASKE, R. . DUBEY, and J. RONGHE, “The role of meteorological factors on the infestation of spotted bollworm of cotton”, MAUSAM, vol. 37, no. 1, pp. 85–88, Jan. 1986.

Issue

Vol. 37 No. 1 (1986): MAUSAM

Section

Shorter Contribution

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