Pharmacognosy

Journal of Pharmacognosy and Phytochemistry

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Journal of Pharmacognosy and Phytochemistry

Vol. 7, Special Issue 1 (2018)

Evaluation of near Isogenic lines and Pyramids against Xoo Isolates Collected from three different geographical location of Chhattisgarh

Author(s): Indra Kumar, Ashok Kosariya Krishna Kumar Maravi, Leelesh Kumar Sahu and AS Kotasthane
Abstract: The reactions of 10 near isogenic lines and 10 pyramiding lines possessed single or combination of Xa genes for resistance to Xoo. Obtained from International Rice Research Institute Hyderabad and seventeen local variety were evaluated for the resistance to three different isolates in Chhattisgarh Under in vivo condition among the NIL’s IRBB-10 carrying Xa10 resistant gene for Xanthomonas oryzay pv. Oryzae expressed resistant to Raipur and Kanker isolate while moderate resistant to DRR and Dhamtari isolate and IRBB-8 and IRBB-11 expressed resistant to only Raipur isolate. The rest NILs showed susceptible to moderately susceptible reaction to all the isolates In the present investigation the host specific nature / incompatible interactions of the isolates on the near isogenic lines indicated that responses are clearly the result of the molecular cross talk between avirulence gene product(s) and corresponding R gene product(s) the pyramiding line containing two to three resistance gene combination IRBB-52 (Xa 4 + Xa 21 ), IRBB-54 (xa 5 + Xa 21 ), IRBB-57 (Xa 4 + xa 5 + Xa21 ) and IRBB-58 (Xa 4 +xa 13 + Xa 21 ) were expressed highly resistant reaction to Raipur isolate and moderate resistant to resistant reaction to the most of isolates collected from different geographical location of Chhattisgarh. Local varieties were more susceptible than improved varieties to leaf blight disease. Among Local varieties, H.M.T., Pant-4 and Safri-17 was the most susceptible and Maheshwari was resistant to Xoo isolate. The overall results indicated that resistance gene(s) behave differentially against different isolates. The combination of genes some time exhibited additive resistance while non-additive in some combination and against different Xoo cultures.
Pages: 1306-1313  |  444 Views  12 Downloads
How to cite this article:
Indra Kumar, Ashok Kosariya Krishna Kumar Maravi, Leelesh Kumar Sahu and AS Kotasthane. Evaluation of near Isogenic lines and Pyramids against Xoo Isolates Collected from three different geographical location of Chhattisgarh. 2018; 7(1S): 1306-1313.
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