International Journal of Plant Sciences

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Assessment of Chilli Genotypes for Anthracnose Resistance Under Field Conditions


Affiliations
1 Department of Vegetable Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore (T.N.), India
2 Horticultural College and Research Institute (T.N.A.U.), Periyakulam (T.N.), India
3 Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore, Coimbatore (T.N.), India
     

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Anthracnose caused by complex of Colletotrichum species is an economically important disease of chilli. The study involved 132 genotypes grown under field conditions. Among the genotypes evaluated, fifteen genotypes were moderately resistant to anthracnose with fairly high yield. In the order of merit, the genotypes were CA 177 (10.74%), Paramakudi 1 (16.64%), F 507 (17.17%), Bird’s eye chilli (17.85%), Kadaladi 1 (19.70%), Ramnad local (20.64%), CO 1 (20.82%), TA/CA/ 10 (21.56%), CA 166 (21.94%), CA 188 (22.29%), Paramakudi 2 (22.45%), CA 13/6 (23.42%), Chilli CO hybrid 1 (24.36%), IC 342465 (24.68%) and CA 165 (25.70%). whereas, 40 genotypes were susceptible with PDI ranging from 26.30 to 50.69 per cent and majority of the genotypes (77nos) were found to be highly susceptible to anthracnose with per cent disease index ranging from 51.81 to 96.42 per cent. The moderately resistant genotypes identified in the present investigation will serve as donors or source of resistance for anthracnose.

Keywords

Chilli, Anthracnose, Colletotrichum Species.
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  • Assessment of Chilli Genotypes for Anthracnose Resistance Under Field Conditions

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Authors

K. Arjun
Department of Vegetable Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore (T.N.), India
T. Arumugam
Horticultural College and Research Institute (T.N.A.U.), Periyakulam (T.N.), India
M. Karthikeyan
Department of Vegetable Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore (T.N.), India
H. Usha Nandhini Devi
Department of Vegetable Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore (T.N.), India
S. Mohankumar
Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore, Coimbatore (T.N.), India

Abstract


Anthracnose caused by complex of Colletotrichum species is an economically important disease of chilli. The study involved 132 genotypes grown under field conditions. Among the genotypes evaluated, fifteen genotypes were moderately resistant to anthracnose with fairly high yield. In the order of merit, the genotypes were CA 177 (10.74%), Paramakudi 1 (16.64%), F 507 (17.17%), Bird’s eye chilli (17.85%), Kadaladi 1 (19.70%), Ramnad local (20.64%), CO 1 (20.82%), TA/CA/ 10 (21.56%), CA 166 (21.94%), CA 188 (22.29%), Paramakudi 2 (22.45%), CA 13/6 (23.42%), Chilli CO hybrid 1 (24.36%), IC 342465 (24.68%) and CA 165 (25.70%). whereas, 40 genotypes were susceptible with PDI ranging from 26.30 to 50.69 per cent and majority of the genotypes (77nos) were found to be highly susceptible to anthracnose with per cent disease index ranging from 51.81 to 96.42 per cent. The moderately resistant genotypes identified in the present investigation will serve as donors or source of resistance for anthracnose.

Keywords


Chilli, Anthracnose, Colletotrichum Species.

References