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Sahu, K. K.
- Genetic Variability, Heritability and Scope of Genetic Improvement for Yield Components in Tomato (Lycopersicon esculentum Mill.)
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1 Department of Genetic and Plant Breeding, Indira Gandhi Krishi Vishwavidyalaya, Raipur, C.G, IN
2 Department of Horticulture, Indira Gandhi Krishi Vishwavidyalaya, Raipur, C.G, IN
1 Department of Genetic and Plant Breeding, Indira Gandhi Krishi Vishwavidyalaya, Raipur, C.G, IN
2 Department of Horticulture, Indira Gandhi Krishi Vishwavidyalaya, Raipur, C.G, IN
Source
Asian Journal of Bio Science, Vol 8, No 2 (2013), Pagination: 214-217Abstract
Genetic variability, heritability and genetic advance were studied among 20 agro-morphological traits of 31 genotypes of tomato (Lycopersicon esculentum Mill.) during Rabi, 2007-2008. Highest heritability estimate was recorded for average fruit weight (g), pericarp thickness (mm), days to 50 per cent flowering, number of fruits per plant, total fruit yield per plant, total soluble solids (%), indicating that these characters were highly heritable and governed by additive gene effects. High heritability coupled with high genetic advance was observed for number of seeds per fruit, average fruit weight (g), total number of fruits per plant, plant height, fruit set (%) indicating that most likely the heritability is due to additive gene effects. Thus, selection may likely to further improvement in these traits for varietal performance.Keywords
Tomato, Genetic Variability, Heritability,genetic Advance
References
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- Joshi, A., Vikram, A. and Thakur, M.C. (2004). Studies on genetic variability, correlation and path analysis for yield and physico-chemical traits in tomato (Lycopersicon esculentum Mill.). Prog. Hort., 36 (1): 51-58.
- Kumar, S., Singh, T., Singh, B. and Singh, J.P. (2004). Studies on heretability and genetic advance in tomato (Lycopersicon esculentum Mill.). Prog. Hort., 4 (1): 76-77.
- Kumari, N., Shrivastava, J. P., Shekhavat, A.K.S., Yadav, J.R. and Singh, B. (2007). Genetic variability and heritability of various traits in tomato (Lycopersicon esculentum Mill.). Prog. Agric., 7 (1-2): 80-83.
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- Singh, A.K. and Narayan, R. (2004). Variability studies in tomato under cold arid condition of Ladakh. Hort. J., 17 (1): 67-72.
- Singh, J.K., Singh, J.P. and Joshi, A. (2002). Studies on genetic variability and its importance in tomato (Lycopersicon esculentum Mill). Prog. Hort., 34 (1): 77-79.
- Singh, P., Singh, S., Cheema, D.S. and Dhaliwal, M.S. (2002). Genetic variability and correlation study of some heat-tolerant tomato genotypes. Veg. Sci., 29 (1): 68-70.
- Singh, T., Kumar, S., Singh, B. and Singh, J.P. (2005). Studies on genetic variability of tomato genotypes for different quantitative and qualitative characters. Adv. Plant Sci., 18 (1): 355-359.
- Heritability and Genetic Advance of Yield and its Components in Brinjal (Solanum melongena L.)
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Authors
Affiliations
1 Department of Genetic and Plant Breeding, Indira Gandhi Krishi Vishwavidyalaya, Raipur, C.G, IN
1 Department of Genetic and Plant Breeding, Indira Gandhi Krishi Vishwavidyalaya, Raipur, C.G, IN
Source
Asian Journal of Bio Science, Vol 8, No 2 (2013), Pagination: 234-236Abstract
A field experiment studied in twenty seven crosses using line x tester analysis between twelve parents consisted of nine lines (local genotypes of Chhattisgarh) viz., IGB 35, IGB 43, IGB 44, IGB 52, IGB 54, IGB 55, IGB 65, IC 31, IC35 and three testers (improved varieties) viz.,DBR 8, KS 224 and JBR 03 16. The heritability estimates was found higher for all the characters studied from 94.3 per cent to 62.9 per cent indicating that the characters are less influenced by environmental factors. The total fruit yield per plant recorded highest genetic advance as percentage of mean (227.41 %). Genetic advance in general was high for most of the characters studied except days to first flowering, days to first fruiting and plant height, which showed moderate genetic advance as percentage of mean, indicating effectiveness of simple selection for improvement of these characters.Keywords
Brinjal, Heritability, Genetic AdvanceReferences
- Baswana, K.S., Bhatia, M.K. and Duhan, D. (2002). Genetic variability and heritability studies in rainy season brinjal (Solanum melongena L.). Haryana J. Hort. Sci., 31(1&2): 71-73.
- Das, B., Mishra, S.N., Sahu, G.S. and Dash, S.K. (2002). Studies on variability and heritability in brinjal.Orissa J. Hort., 30(1): 54-58.
- Hanson, W.D., Robinson, H.F. and Comstock, R.E. (1956). Biometrical studies of yield in segregating population Korean Lespandeza. Agron. J., 48: 268-272.
- Johnson, H.W., Robinson, H.F. and Comstock, R.E. (1955) . Estimates of genetic and environmental variability in soybean. Agron. J., 47: 310-318.
- Kumar, Rajesh, Verma, S.S.P. and Ganguli, D.K. (1998). Genetic variability in brinjal (Solanum melongena L.) J. Res. BAU. 10(2):231-233.
- Mohanty, B.K. (2001). Genetic variability, correlation and path co-efficient studies in brinjal. Ann. Agric. Res., 22(1):59-63.
- Mohanty, B.K. and Prusti, A.M. (2002). Variability and selection parameters for economic characters in brinjal. Orissa J. Hort., 30(1):1-4.
- Patel, N.T., Bhalala, M.K., Kathiria, K.B. and Doshi, K.M. (1999). Genetic variability for yield and its components in brinjal (Solanum melongena L.).GAU Res. J., 25(1):77-80.
- Rai, N., Singh, A.K. and Sarnaik, D.A. (1998). Estimation of variability, heritability and scope of improvement for yield components in round brinjal (Solanum melongena L.).Agril. Sci. Digest, 18(3): 187-190.
- Sharma, T.V.R.S. and Swaroop, Kishan (2000). Genetic variability and character association in brinjal (Solanum melongena L.). Indian J. Hort., 57(1): 59-65.
- Singh, H.V., Singh, S.P., Singh, Satyendra and Rajput, C.B.S. (2003). Heterosis in relation to combining ability in brinjal (Solanum melongena L.). Veg. Sci., 30(1): 38-41.
- Evaluation of Calcium Status of Red and Yellow Soils of Sakti Block in Janjgir-Champa District of Chhattisgarh
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Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, Indira Gandhi Agricultural University, Raipur (C.G.), IN
1 Department of Soil Science and Agricultural Chemistry, Indira Gandhi Agricultural University, Raipur (C.G.), IN
Source
An Asian Journal of Soil Science, Vol 9, No 2 (2014), Pagination: 181-186Abstract
The study was carried out to evaluate the soil fertility with respect to available calcium status in red and yellow soils of Sakti block in Janjgir-Champa district of Chhattisgarh. Grid based surface (0-15 cm depth) soil samples were collected using global positioning system (GPS) from 130 villages of Sakti block consisting of red and yellow soils. The soil samples were analyzed for calcium. The soils were high in available calcium content. The status of available calcium varied from 224 to 8960 kg ha-1 with a mean value of 5037 kg ha-1. 97.31 per cent and 2.68 per cent soil samples from the study area were classified as high and low fertility class, respectively.Keywords
Calcium Status, Evaluation, Red and Yellow Soil.- Correlation Studies on Available Sulphur and Soil Properties in Soils of Dabhra Block under Janjgir-Champa District in Chhattisgarh
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Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, Indira Gandhi Agricultural University, Raipur (C.G.), IN
1 Department of Soil Science and Agricultural Chemistry, Indira Gandhi Agricultural University, Raipur (C.G.), IN