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Abstract
The experimental trial was conducted at Sorghum Research Centre, Marathwada Agricultural University, Parbhani during kharif 2021 in randomized design with 3 replications. Eighteen parental (B & R) lines were evaluated to study genetic diversities and variability for fifteen yield contributing characters. Among all the eighteen genotypes of parental lines significant differences were observed for yield and its yield contributing traits except total chlorophyll content. Coefficient of variance at phenotypic level showed higher values than at genotypic level among all traits. Coefficient of variance for the traits like chlorophyll stability index (G=23.035, P=23.714), leaf area (G=21.064, P=21.673), 1000 grain weight (G=28.845, P=29.929), fodder yield (G=21.858, P=22.458), grain number per panicle (G=29.564, P=30.158), leaf dry weight (G=29.044, P=29.903) was observed high at both level. Traits like plant height (H=90, GAM=21.041), grain yield (H=86, GAM=29.074), leaf dry weight (H=94, GAM=23.664), leaf area (H=94, GAM=42.17), chlorophyll stability index (H=94, GAM=46.093), grain number per panicle (H=96, GAM=59.703), fodder yield (H=94, GAM=43.823),1000 grain weight (H=92, GAM=52.270) and harvest index (H=84, GAM=32.321) were recorded high heritability with high genetic advancement. Genotype AKR 504, NR 39-15, KR 218, KR 219, PMS 100B, AKMS 90 B and INDORE 12 showed the better performance for all characters thus, should be used for development of hybrids and inbreds in breeding programmes by DUS (Distinctness, Uniformity and Stability) testing.
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References
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- Department of Agriculture, Cooperation & Farmers Welfare (2020-21) Annual Report.
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- Godbharle, A.R., &More, A.W.(2010). Genetic variability an correlation studies in elite ‘B’ and ‘R’ lines in Kharif sorghum. Electronic Journal of Plant Breeding ;1(4):989-993.
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References
Aron D. (1949) Copper enzymes in isolated chloroplasts, polyphenoloxidase in Beta vulgaris. Plant Physiology., 24:1-15. DOI: https://doi.org/10.1104/pp.24.1.1
Barr, H.D. and Weatherley, P.E. (1962). A re-examination of the relative turgidity technique for estimating water deficit in leaves. Aust. J. Biol. Sci. 15:413-428. DOI: https://doi.org/10.1071/BI9620413
Bertan, I., de Carvalho, F. I., & Oliveira, A. C. D. (2007). Parental selection strategies in plant breeding programs. Journal of crop science and biotechnology, 10(4), 211-222.
Chavhan, M., Jawale, L. N., & Pardhi, D. S. (2022). Genetic diversity and variability for morphophysiological yield and yield contributing traits in kharif sorghum (Sorghum bicolor L. Moench) inbred lines. The Pharma Innovation Journal 2022; 11(7): 1025-1029. DOI: https://doi.org/10.22271/phyto.2022.v11.i4b.14457
Department of Agriculture, Cooperation & Farmers Welfare (2020-21) Annual Report.
Gangaiah, B. et al. (2020). Sorghum Physiology Kharif Report. Millets research publicationAICRP on Sorghum, Hyderabad 8- Sorghum Physiology kharif report-agm 21. Kharif vanakalam (2020-21) sorghum report.
Godbharle, A.R., &More, A.W.(2010). Genetic variability an correlation studies in elite ‘B’ and ‘R’ lines in Kharif sorghum. Electronic Journal of Plant Breeding ;1(4):989-993.
Johnson, H.W., Robinson, H.F.,& Comstock.(1955). Estimation of genetic and environmental variability in soybeans.Agron.J;47:314-318. DOI: https://doi.org/10.2134/agronj1955.00021962004700070009x
Rao, S.S., S Srividhya, PS Kamble, RB Ghorade, Satpal and KR Kamble (2019). Sorghum Physiology Kharif Report. Millets research publicationAICRP on Sorghum, Hyderabad 8- Sorghum Physiology kharif report-agm20
Sivasubramanian, S., &Menon, M. (1973).Heterosis and inbreeding depression in rice.Madras Agricultural Journal ;60:11-39.
Tirkey, S., Jawale, L.N., & More, A.W. (2021).Genetic variability, correlation and path analysis studies in B parental lines of kharif sorghum (Sorghum bicolor (L.) Moench). The Pharma Innovation Journal 2021; 10(8): 624-628