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ORYZA- An International Journal on Rice
Year : 2008, Volume : 45, Issue : 4
First page : ( 331) Last page : ( 332)
Print ISSN : 0474-7615.

Evaluation of rice genotypes against white backed plant hopper (Sogatella furcifera Horvath)

Rath P. C.

Central Rice Research Institute, Cuttack-753006,Orissa, India


Ninety five rice genotypes along with resistant and susceptible check varieties Ptb33 and TN1, respectively were evaluated against Sogatella furcifera Horvath under net house condition at CRRI Cuttack during 2006. The result of the experiment revealed that only Ptb33 and IRGC 10118 were resistant and recorded damage score '0'. The genotype IRGC 13753 was found to be moderately resistant recording damage score '1'. Five genotypes viz., IRGC 10035, IRGC 44967, IRGC 45653, IRGC 45696 and IRGC 46021 were less susceptible to the pest with damage score '3', three genotypes viz., IRGC 45242, IRGC 45152 and IRGC 45938, were recorded damage score '5',eight genotypes were found moderately susceptible with score '7' and the rest seventy eight were highly susceptible with score '9'.The genotype IRGC 10118 was again evaluated against the pest in 2007 and was found resistant.



Resistance, rice germplasm, WBPH.


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