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2020•International Journal of Current Microbiology and Applied SciencesOpen access

Cultural and Genetic Diversity of Rhizoctonia bataticola Isolates Causing Dry Root Rot of Chickpea

Piyush A. Gaikwad, D. N. Dhutraj, CV Ambadkar

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Abstract

Cultural and genetic diversity of Rhizoctonia bataticola causing dry root of chickpea (Cicer arietinum L.) crop were studied during 2018-19 at VNMKV, Parbhani. In present studies, isolate Rb-6 , exhibited maximum mycelial growth of (90.00mm), followed by Rb-9 (89.50mm) and Rb-2 (88.50mm) indicated a great cultural variability amongst R. bataticola isolates, whereas, in case of genetic variability when a dendrogram generated based on UPGMA analysis of RAPD data grouped all of the 9 test isolates (R. bataticola) into two major clusters. The cluster I included 6 isolates viz., Rb-1, Rb-2, Rb-3, Rb-4, Rb-5 and Rb-9 collected from the three zone of Marathwada region which showed 64.5 per cent genetic similarity. Cluster II comprised of only two isolates Rb-6 and Rb-7 with similarity coefficient of 85 per cent.

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Cultural and genetic diversity of Rhizoctonia bataticola causing dry root of chickpea (Cicer arietinum L.) crop were studied during 2018-19 at VNMKV, Parbhani. In present studies, isolate Rb-6 , exhibited maximum mycelial growth of (90.00mm), followed by Rb-9 (89.50mm) and Rb-2 (88.50mm) indicated a great cultural variability amongst R. bataticola isolates, whereas, in case of genetic variability when a dendrogram generated based on UPGMA analysis of RAPD data grouped all of the 9 test isolates (R. bataticola) into two major clusters. The cluster I included 6 isolates viz., Rb-1, Rb-2, Rb-3, Rb-4, Rb-5 and Rb-9 collected from the three zone of Marathwada region which showed 64.5 per cent genetic similarity. Cluster II comprised of only two isolates Rb-6 and Rb-7 with similarity coefficient of 85 per cent.

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Available abstract

Cultural and genetic diversity of Rhizoctonia bataticola causing dry root of chickpea (Cicer arietinum L.) crop were studied during 2018-19 at VNMKV, Parbhani. In present studies, isolate Rb-6 , exhibited maximum mycelial growth of (90.00mm), followed by Rb-9 (89.50mm) and Rb-2 (88.50mm) indicated a great cultural variability amongst R. bataticola isolates, whereas, in case of genetic variability when a dendrogram generated based on UPGMA analysis of RAPD data grouped all of the 9 test isolates (R. bataticola) into two major clusters. The cluster I included 6 isolates viz., Rb-1, Rb-2, Rb-3, Rb-4, Rb-5 and Rb-9 collected from the three zone of Marathwada region which showed 64.5 per cent genetic similarity. Cluster II comprised of only two isolates Rb-6 and Rb-7 with similarity coefficient of 85 per cent.

Key concepts: UPGMA, Dendrogram, Genetic diversity, RAPD, Biology, Veterinary medicine, Horticulture, Similarity (geometry)

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