Genetic variability and character association studies in Indigenous germplasm of cashew (Anacardium occidentale L.) in Bastar Plateau of Chhattisgarh

Genetic Variability and Correlation in Cashew

Downloads

Published

2026-03-31

DOI:

https://doi.org/10.58993/ijh/2026.83.1.1

Keywords:

Cashew genotypes, genetic variability, heritability, selection traits, nut yuiel
Dimensions Badge

Issue

Vol. 83 No. 01 (2026): Indian Journal of Horticulture

Section

Research Articles

License

Copyright (c) 2026 Vikas Ramteke, Pankaj Bhargav, Padmakshi Thakur, Eradasappa E., J. D. Adiga

Creative Commons License

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Authors

  • Vikas Ramteke Zonal Agricultural Research Station (Indira Gandhi Krishi Vishwavidyalaya), Jagdalpur, Chhattisgarh 494001, India https://orcid.org/0000-0003-4142-016X
  • Pankaj Bhargav Zonal Agricultural Research Station (Indira Gandhi Krishi Vishwavidyalaya), Jagdalpur, Chhattisgarh 494001, India
  • Padmakshi Thakur Zonal Agricultural Research Station (Indira Gandhi Krishi Vishwavidyalaya), Jagdalpur, Chhattisgarh 494001, India
  • Eradasappa E. Zonal Agricultural Research Station (Indira Gandhi Krishi Vishwavidyalaya), Jagdalpur, Chhattisgarh 494001, India
  • J. D. Adiga ICAR-Directorate of Cashew Research, Puttur 574 202, Karnataka

Abstract

The study evaluated 24 indigenous cashew genotypes along with the check variety Vengurla-4 in the Bastar Plateau region of Chhattisgarh, India, to assess genetic variability, heritability, and trait associations for yield and quality improvement. Significant genotypic differences were observed for vegetative, reproductive and nut quality traits over two consecutive years (2023–24 and 2024–25). Moderate genotypic coefficient of variation and phenotypic coefficient of variation were recorded for nut weight (20.84%, 20.98%), apple weight (25.71%, 26.35%) and nut yield tree-1 (20.01%, 20.61%), indicating substantial genetic variability. Broad-sense heritability was highest for nut weight (98.60%), apple weight (95.20%) and shelling percentage (98.00%), suggesting strong additive gene effects. A significant genetic advance as percentage of the mean was noted for apple weight (51.66%), nut weight (42.62%) and nut yield (40.03%). Nut yield tree-1 showed a strong positive correlation with number of nuts panicle-1 (r = 0.925) and fruit set (r = 0.789), while nut weight was positively associated with apple weight (r = 0.709). The study identified key traits like nut weight, kernel weight, shelling percentage and canopy size as ideal for direct selection to improve nut yield and nut quality. Indigenous genotypes having potential traits with high heritability and genetic advance can serve as potential donors for breeding plan targeting, high nut yield, bold nut and high-density planting for sustainable cashew cultivation in plateau regions.

How to Cite

Ramteke, V., Pankaj Bhargav, Thakur, P., Eradasappa E., & Adiga, J. D. (2026). Genetic variability and character association studies in Indigenous germplasm of cashew (Anacardium occidentale L.) in Bastar Plateau of Chhattisgarh: Genetic Variability and Correlation in Cashew. Indian Journal of Horticulture, 83(01), 3–9. https://doi.org/10.58993/ijh/2026.83.1.1

Downloads

Download data is not yet available.

References

1. Adu-Gyamfi, P.K.K., Dadzie, M.A., Barnor, M., Akpertey, A., Arthur, A., Osei-Akoto, S., Ofori, A. and Padi, F. 2019. Genetic variability and trait association studies in cashew (Anacardium occidentale L.). Sci. Hortic. 255: 108-114.

2. Bhat, M.G., Thimmappaiah, S., Sundararaju, D. and Swamy, K.R.M. 2005. Experimental manual on cashew. Directorate of Cashew Research, Puttur, India.

3. Burton, G.N. and Devane, E.M. 1953. Estimating heritability in fall fescue (Festuca arundiancea L.) from replicated clonal materials. Agron. J. 45: 478-481.

4. Chaithra, K., Bhoomika, H.R., Veena, G.L., Dushyantha Kumar, B.M., Shivaprasad, M. and Ravi, C.S. 2022. Correlation and path coefficient analysis for yield and yield attributing traits in cashew (Anacardium occidentale L.) genotypes. Biol. Forum 14: 935-937.

5. Chandrasekhar, M., Sethi, K., Tripathy, P., Das, T.R., Dash, M. and Roy, A. 2018. Studies on variability, heritability and genetic advance for quantitative and qualitative traits in cashew (Anacardium occidentale L.). e-planet 16: 139- 146.

6. Gomez, K.A. and Gomez, A.A. 1984. Statistical procedures for agricultural research. 2nd Edition, John Wiley and Sons, New York, 680 p.

7. Johnson, H.W., Robinson, H.F. and Comstock, R.E. 1955. Estimates of genetic and environmental variability in soybean. Agron. J. 47: 314- 318.

8. Miller, P.A., Williams, J.C., Robinson, H.F. and Comstock, R.E. 1958. Estimates of genotypic variances and co-variances in upland cotton. Agron. J. 50: 126-131.

9. Mohapatra, M., Dash, D.K., Tripathy, P., Sethi, K., Dash, M. and Roy, A. 2018. Studies on variability, heritability and genetic advance in cashew (Anacardium occidentale L.). Trends in Biosci. 11: 120-125.

10. 1Preethi, P., Savadi, S., Vanitha, K., Ramteke, V., Mangalassery, S. and Sandesh, M. S. 2021. Cashew (Anacardium occidentale L.) In: Tropical Fruit Crops: Theory to Practical, Vol. I. S.K. Ghosh and R.R. Sharma (Eds.), Jaya Publishing House, New Delhi, p. 138.

11. Ramteke, V., Paikra, M.S., Netam, R.S., Kerketta, A., Nirala, Y., Singh, D.P., Veena, G. L., Adiga, J. D., Mohana, G. S. and Raviprasad, T. N. 2024. Genetic variability, trait association, and path analysis studies for nut yield and yield-related traits in cashew (Anacardium occidentale L.). J. Agric. Sci. Technol. 26: 403-414.

12. Ramteke, V. 2022. Evaluation of cashew (Anacardium occidentale L.) genotypes for nut yield traits in south Chhattisgarh, India. Bangladesh J. Bot. 51: 179–184.

13. Sethi, K., Lenka, P.C. and Tripathy, S.K. 2016. Correlation and path coefficient analysis of nut yield and ancillary component traits in cashew. J. Plant. Crops 44: 119-123.

14. Sethi, K., Dash, M. and Tripathy, P. 2020. Character association and multivariate analysis in cashew (Anacardium occidentale L.). Int. J. Biores. Stress Manag. 11: 64-72.

15. Yadawad, A., Maruthesh, A.M. and Nishmitha, K. 2024. Genetic variability studies of diverse cashew (Anacardium occidentale L.) cultivars for growth and yield parameters in coastal zone of Karnataka. Electron. J. Plant Breed. 15: 972-978.

Similar Articles

<< < 20 21 22 23 24 25 26 27 28 29 > >> 

You may also start an advanced similarity search for this article.