Vol. 3 (2) : March-April 2012 issue
Green Farming Vol. 3 (2) : 226-229 (March-April, 2012)
Relative susceptibility of popular cultivars or varieties of rice to thrips, Stenchaetothrips biformis
PRABHU NAYAKAa1*, J. SATYANARAYANAb2 and T.V.K. SINGHb3
aUniversity of Agricultural Sciences, Dharwad - 580 005 (Karnataka)
bAcharya N.G Ranga Agricultural University, Hyderabad - 500 030 (Andhra Pradesh)
Designation : 1Ph D Scholar *(prabhunayakagri@gmail.com), 2,3Professor (Entomology)
Subject : Entomology
Paper No. : P-0099
Total Pages : 4
Received : 06 January 2012
Revised accepted : 15 March 2012
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Citation :
PRABHU NAYAKA, J. SATYANARAYANA and T.V.K. SINGH. 2012. Relative susceptibility of popular cultivars or varieties of rice to thrips, Stenchaetothrips biformis. Green Farming Vol. 3 (2) : 226-229 ; March-April, 2012
ABSTRACT
A field experiment was conducted during kharif, rabi, summer seasons of 2004-2005 at College Farm, College of Agriculture, Rajendranagar, Hyderabad. Three sowings were done in August, 2004, October, 2004 and February, 2005 with nine popular rice varieties. Thrips incidence was comparatively more in rainy season in comparison to the winter and summer. A maximum incidence of (49.88%) and thrips was observed in 14th DAT on Kavya variety transplanted during September. Leaf damage by thrips during November transplanted crop was comparatively less than September and March transplanted crop. Leaf damage by thrips during March on transplanted crop was comparatively less than first date of transplanting and was slightly higher in comparison to second date of transplanting. In all, three dates Kavya recorded maximum thrips incidence, whereas Swarna and Tellahamsa recorded minimum thrips incidence.
Key words :
Rice, rice cultivars, rice thrips, Stenchaetothrips biformis.
