Screening of medium duration rice cultures for their reaction to yellow stem borer, Scirpophaga incertulas Walker (Pyraustidae: Lepidoptera)

Abstract

A total of 23 medium duration rice cultures were screened against yellow stem borer in rice under field condition at Rice Research Station, Ambasamudram during Kar season, 2013-14. The yellow stem borer infestation varied from 0 to 26.45% of white ear in rice. Out of 23 medium duration cultures screened, the entries AS 12021, AS 12029, AS 12032, AS 12033, AS 12071, AS 12090 and AS ST 12010 recorded nil incidence of stem borer in rice. Hence, they can be utilized in breeding programme as a source of resistance against yellow stem borer in rice.