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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 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
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.2017.6(10): 2023-2031
DOI: https://doi.org/10.20546/ijcmas.2017.610.239


Physico-Chemical Characters of Pumpkin (Cucurbita moschata Duch.) Ex Poir Genotype against the Melon Fly (Bactrocera cucurbitae) Reveals Resistance Traits in the Terai Region of West Bengal, India
Roshna Gazmer1*, Nripendra Laskar1 and Somnath Mandal2
1Department of Agricultural Entomology
2Department of Biochemistry, Uttar Banga Krishi Viswavidyalaya, Pundibari, Cooch Behar, West Bengal- 736165, India
*Corresponding author
Abstract:

Host plant resistance is an important component for management of the melon fruit fly, Bactrocera cucurbitae (Coquillett), owing to difficulties associated with its chemical and biological control. Twenty pumpkin cultivars collected from different sources from all over India have been evaluated against the infestation of melon fly Bactrocera cucurbitae (Coq.) under terai agro-ecological conditions of West Bengal. The degree of response varies among the cultivars against melon fly infestation. Intensity of infestation significantly varied from 50 % to 100 % among the test cultivars. Maximum infestation was recorded on cultivar V1 followed by V13 and V19. Minimum percent fruit infestation was observed in cultivars V4, followed by V11 and V5. The variation in melon fly infestation among the cultivars might be due to these allele chemical parameters of the fruit. Total sugar and reducing sugar, were lowest in resistant and highest in susceptible varieties whereas phenol content was highest in resistant and lowest in susceptible varieties. Total sugar content of fruit had a significant positive correlation (P=0.01), whereas Phenol contents had significant negative correlations with the percent fruit infestation.


Keywords: Pumpkin, Melon fly, Biochemical traits, Infection, Resistance.
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How to cite this article:

Roshna Gazmer, Nripendra Laskar and Somnath Mandal. 2017. Physico-Chemical Characters of Pumpkin (Cucurbita moschata Duch.) Ex Poir Genotype against the Melon Fly (Bactrocera cucurbitae) Reveals Resistance Traits in the Terai Region of West Bengal, India.Int.J.Curr.Microbiol.App.Sci. 6(10): 2023-2031. doi: https://doi.org/10.20546/ijcmas.2017.610.239