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Journal of Biological Sciences

Year: 2003  |  Volume: 3  |  Issue: 5  |  Page No.: 478 - 483

Performance of Breeding Lines/Cultivars of Rice Against Bacterial Leaf Blight and Sheath Rot under Field Condition

Mosharraf Hossain, Shah Md. Munirur Rahman, K.M. Khalequzzaman, Md. Nazrul Islam and M. Ashrafuzzaman

Abstract

Twenty nine different genotypes/advanced breeding lines and four cultivars/checks viz. BR11, BR22, BR25 and BRRI dhan 38 of rice were selected for the study to examine and screen out the advanced hybrid lines, which are resistant/tolerant to BLB and sheath rot. Three accessions (22, 68, 157) showed resistant reaction in T. aman season and six accession (22, 54, 58, 68, 139, 157) showed highly resistant (HR) reaction and four entries (37, 62, 75, 128) were resistant to BLB in Boro season. One accession (58) showed resistant in T. aman season and three (59, BR11, BRRI dhan 38) were found highly resistant and one accession (54) showed resistant reaction to sheath rot in Boro season. So, these lines/varieties may be used as breeding material and cultivated for rice production.

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