Assessment of variability for yield, component traits and reaction to foliar fungal diseases in back cross population of groundnut (Arachis hypogaea L.)


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ASSESSMENT OF VARIABILITY FOR YIELD AND REACTION TO FUNGAL DISEASES IN GROUNDNUT

Authors

  • P RAMAKRISHNAN Department of Oilseeds, Tamil Nadu Agricultural University, Coimbatore-641 003, Tamil Nadu
  • N MANIVANNAN Department of Oilseeds, Tamil Nadu Agricultural University, Coimbatore-641 003, Tamil Nadu
  • L MAHALINGAM Department of Oilseeds, Tamil Nadu Agricultural University, Coimbatore-641 003, Tamil Nadu

https://doi.org/10.56739/jor.v33i3.137995

Keywords:

Back cross, Genetic variability, Groundnut, Heritability, Late leaf spot, Rust

Abstract

Three BC1F1 populations viz., TMV (Gn) 13 × GPBD 4, CO 7 × GPBD 4 and TMV 2 × GPBD 4 along with their parental lines of groundnut were evaluated for variability, heritability and genetic advance. High magnitude of PCV and GCV coupled with broad sense heritability and genetic advance as per cent of mean for these characters studied such as number of pods per plant, shell weight per plant, rust disease score, late leaf spot (LLS) disease score, pod yield per plant and kernel yield per plant in all the populations. So, it could be concluded that these characters were under the control of additive type of gene action and hence selection may be effective for these traits in these populations.

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References

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Submitted

2023-06-19

Published

2016-10-21

How to Cite

P RAMAKRISHNAN, N MANIVANNAN, & L MAHALINGAM. (2016). Assessment of variability for yield, component traits and reaction to foliar fungal diseases in back cross population of groundnut (Arachis hypogaea L.): ASSESSMENT OF VARIABILITY FOR YIELD AND REACTION TO FUNGAL DISEASES IN GROUNDNUT. Journal of Oilseeds Research, 33(3). https://doi.org/10.56739/jor.v33i3.137995