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Usha Nandhini Devi, H.
- Impact of Gamma Rays on Turmeric Crop (Curcuma longa L.)
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Authors
Affiliations
1 Department of Vegetable Crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore - 641 003, IN
1 Department of Vegetable Crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore - 641 003, IN
Source
Journal of Horticultural Sciences, Vol 1, No 2 (2006), Pagination: 124-128Abstract
Experiments were carried out during 2000-2003 at the Department of Spices and Plantation Crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, to assess the impact of gamma irradiation on days to maturity, yield and curing per cent in turmeric (Curcuma longa L.). The experiment was laid out in Factorial Randomized Block Design with two replications. Three genotypes namely, Salem Local - G1 (CL144), Alleppy finger turmeric - G2 (CL146) and PTS 43 - G3 (CL147) were treated with seven doses of gamma rays (1.0, 1.5, 2.0, 2.5, 3.0, 3.5 and 4.0 kR) along with control. The plants matured earlier and yield per plant and curing percentage improved at 2.0 kR, followed by 2.5 kR, whereas, higher doses of gamma rays had a negative effect on yield and curing percentage and these higher doses prolonged maturity. Among the genotypes used, G1 (CL144) was found to show a good response to gamma irradiation.Keywords
Gamma Rays, Turmeric Crop, Irradiation, Yield, Curing Percentage.Full Text
- Assessment of Chilli Genotypes for Anthracnose Resistance Under Field Conditions
Abstract Views :426 |
PDF Views:0
Authors
Affiliations
1 Department of Vegetable Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
2 Horticultural College and Research Institute (T.N.A.U.), Periyakulam (T.N.), IN
3 Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore, Coimbatore (T.N.), IN
1 Department of Vegetable Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
2 Horticultural College and Research Institute (T.N.A.U.), Periyakulam (T.N.), IN
3 Centre for Plant Molecular Biology and Biotechnology, Tamil Nadu Agricultural University, Coimbatore, Coimbatore (T.N.), IN
Source
International Journal of Plant Sciences, Vol 15, No 2 (2020), Pagination: 67-72Abstract
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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