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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

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

Int.J.Curr.Microbiol.App.Sci.2016.5(9): 483-488
DOI: http://dx.doi.org/10.20546/ijcmas.2016.509.053


Temperature Threshold and Thermal Constant of Dacus frontalis (Beker) (Order: Diptera: Tephritidae) on Three Cucurbit Hosts
Hasanain Yosuf Al-Shalchi1* and Redha S. Al Jorany2
1State of Agricultural research-Ministry of Agriculture, Iraq
2Department of Plant Protection, College of Agriculture, University of Baghdad, Iraq  
*Corresponding author
Abstract:

The aim of this work was to determination of the threshold temperature and the required degree days for development represent the fundamental base for prediction of phenology of the insect annually as well as integrated with the other methods. The time needed for 50% of individuals to achieve development from egg stage to adult stage was recorded at the following constant temperatures: 15, 20, 25, and 30 ±1C°. The results revealed that there are significant differences of development periods of Dacus frontalis at the different temperatures and hosts, the shortest period of development to adult’s stage was at the 30°C on Zucchini reached 15.207 days and the longest period was at the 15°C on Cucumber. The threshold temperatures were 11.7, 11.47 and 12.8 for crop Armenian cucumber, cucumber and Zucchini respectively. This is the first work on threshold temperature and development periods of D. frontalis.


Keywords: Dacus frontalis, development period, zucchini, cucumber,thermal constant.
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How to cite this article:

Hasanain Yosuf Al-Shalchi and Redha S. Al Jorany. 2016. Temperature Threshold and Thermal Constant of Dacus frontalis (Beker) (Order: Diptera: Tephritidae) on Three Cucurbit Hosts.Int.J.Curr.Microbiol.App.Sci. 5(9): 483-488. doi: http://dx.doi.org/10.20546/ijcmas.2016.509.053