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2002•Indian Journal of Agricultural ResearchRequires access

SCREENING OF GRAPE GERMPlASM AGAINST ANTHRACNOSE (SPHACELOMA AMPELINUMDE BARY.)

P. C. Jindal, Bhavani Shankar

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Abstract

Investigations were carried out during 1994 and 1995. Forty eight gepotypes were tested for field reaction against anthracnose and categorised into resistant, moderately resistant and susceptible. Out of 48 genotypes H-144 (Cheema Sahebi x Catwaba) (per cent disease index of 4.23), Vitis parviflora (7.49) and its hybrids were resistant while Banqui-Abyad x Beauty Seed1ess 74–10 (75.81) was the most susceptible in both the years indicating the utility of the former as source of resistance. The per cent disease index showed high heritability. There was high correlation of disease index on leaf and canes (0.974) showing that the same set of genes control disease resistance which express either on leaves or on canes.

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Investigations were carried out during 1994 and 1995. Forty eight gepotypes were tested for field reaction against anthracnose and categorised into resistant, moderately resistant and susceptible. Out of 48 genotypes H-144 (Cheema Sahebi x Catwaba) (per cent disease index of 4.23), Vitis parviflora (7.49) and its hybrids were resistant while Banqui-Abyad x Beauty Seed1ess 74–10 (75.81) was the most susceptible in both the years indicating the utility of the former as source of resistance. The per cent disease index showed high heritability. There was high correlation of disease index on leaf and canes (0.974) showing that the same set of genes control disease resistance which express either on leaves or on canes.

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Available abstract

Investigations were carried out during 1994 and 1995. Forty eight gepotypes were tested for field reaction against anthracnose and categorised into resistant, moderately resistant and susceptible. Out of 48 genotypes H-144 (Cheema Sahebi x Catwaba) (per cent disease index of 4.23), Vitis parviflora (7.49) and its hybrids were resistant while Banqui-Abyad x Beauty Seed1ess 74–10 (75.81) was the most susceptible in both the years indicating the utility of the former as source of resistance. The per cent disease index showed high heritability. There was high correlation of disease index on leaf and canes (0.974) showing that the same set of genes control disease resistance which express either on leaves or on canes.

Key concepts: Germplasm, Biology, Veterinary medicine, Forensic science, Horticulture, Hybrid, Heritability, Plant disease resistance

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SCREENING OF GRAPE GERMPlASM AGAINST ANTHRACNOSE (SPHACELOMA AMPELINUMDE BARY.) — Research Paper | ScholarLens