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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

2018, Vol. 6, Issue 2
Screening of chilli genotypes against chilli thrips (Scirtothrips dorsalis Hood) and yellow mite [Polyphagotarsonemus latus (Banks)]

Latha S and Hunumanthraya L

Investigations on screening of chilli genotypes against chilli thrips and mite were conducted at Karkipette of Chikmagalur district, Karnataka during March of 2015. Out of thirty one chilli genotypes screened against thrips and mites, none was found completely free from the attack of pests. The four genotypes, DCC-109, 185, 3 and DCC-89 were found moderately resistant, eleven genotypes, DCC-187, 177, 127, 103, 27, 20, 39, 15, 184, 239, 44, 48, 167, 230, 43, were found susceptible and two genotypes viz., DCC-66 and Byadgi Kaddi were found highly susceptible to both thrips and mite. The morphological and biochemical characters viz., trichome density, chlorophyll and phenol content were significantly negatively correlated with the population of thrips, mites and LCI. Further Moderately resistant genotypes showed thick and dark green colour leaves, very thin and light green colour leaves was observed in highly susceptible genotypes. The maximum fruit yield of chilli was also obtained in the DCC-109, 185, 3 followed by DCC-89.
Pages : 2739-2744 | 1153 Views | 607 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Latha S, Hunumanthraya L. Screening of chilli genotypes against chilli thrips (Scirtothrips dorsalis Hood) and yellow mite [Polyphagotarsonemus latus (Banks)]. J Entomol Zool Stud 2018;6(2):2739-2744.

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