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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

2017, Vol. 5, Issue 6
Effect of temperature and relative humidity on development of Sitophilus oryzae L. (coleoptera: curculionidae)

Mansoor-ul-Hasan, Asad Aslam, Muhammad Jafir, Muhammad Wajid Javed, Muhammad Shehzad, Muhammad Zubair Chaudhary and Muhammad Aftab

Study was conducted to determine the different life stages of Sitophillus oryzea and the effect of various combinations of temperature (25, 30 and 35 °C) and R.H. (55, 60 and 65%) under lab conditions in university of agriculture Faisalabad in 2015-16. Three replications were used for each treatment. Ten pairs of adults were released to get eggs. Data regarding oviposition, fertility and adult emergence was recorded on daily basis. For this effort, first temperature (25 °C) was in practice on decontaminated rice which exposed slow development of S. oryzae while highest temperature (35 °C) presented very high developmental rate of all life stages of S. oryzae. So, result presented S. oryzae has great influence of temperature on its life span. It exhibited high appearance at high temperature in comparison with low temperature. Relative humidity has also excessive influence on the development of S. oryzae. At 65% R.H. the maximum mean value of adult appearance was significantly higher as compared to than that of 55%. It is stated that different relative humidity level such as 55, 60 and 65%, 65% level is most favorable for its development and 55% level is less favorable for its growth as compared to other levels.
Pages : 85-90 | 2300 Views | 914 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Mansoor-ul-Hasan, Asad Aslam, Muhammad Jafir, Muhammad Wajid Javed, Muhammad Shehzad, Muhammad Zubair Chaudhary, Muhammad Aftab. Effect of temperature and relative humidity on development of Sitophilus oryzae L. (coleoptera: curculionidae). J Entomol Zool Stud 2017;5(6):85-90.

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