Legume Research

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Legume Research, volume 43 issue 5 (october 2020) : 623-626

Stability analysis for yield and some of yield component traits in cowpea [Vigna unguiculata (L.) Walp] germplasm in hot arid climate

Om Vir Singh, Neelam Shekhawat, Kartar Singh
1ICAR National Bureau of Plant Genetic Resources, Regional Station, Jodhpur-342 003, Rajasthan, India.
  • Submitted31-05-2018|

  • Accepted29-08-2018|

  • First Online 15-11-2018|

  • doi 10.18805/LR-4044

Cite article:- Singh Vir Om, Shekhawat Neelam, Singh Kartar (2018). Stability analysis for yield and some of yield component traits in cowpea [Vigna unguiculata (L.) Walp] germplasm in hot arid climate. Legume Research. 43(5): 623-626. doi: 10.18805/LR-4044.
The present study carried out to identify cowpea genotypes suitable for summer season in arid and semi-arid zones of India appeared important for its sustained increase the cultivation. Thirty-eight accessions of cowpea including 3 checks (V-585, FTC-27, GC-3) were evaluated during five consecutive (2012 - 2016) kharif seasons to estimate stability of performance for nine quantitative traits. The G × E interaction variance was significant for all the observed characters except peduncle length and plant height, suggesting that yield was inconsistent in different years. However, the present study revealed that the genotype C-863 with higher mean performance with compared to check, non-significant deviation from regression line and regression coefficient less than unity was most suitable for favourable environments for the characters like seed yield per plant and number of clusters per plant. The genotypes C-863, C-1085, C-956 for seed yield per plant, C-1013 and C-1126 for number of pods per plant, C-1133 for number  of  clusters per plant and C-863 and C-1089 for number of peduncles per plant may be effectively used for future cowpea breeding programmes.
  1. Eberhart S. and Russel W.A. (1966). Stability parameters for comparing varieties. Crop Sci., 6:36-40. 
  2. Kumar D. and Singh, N.B. (2004). Cowpea in India. Scientific Publishers, India, pp 1-282.
  3. Kumar, S. and Shrikant (2016). Evaluation of cowpea [Vigna unguiculata (L.) Walp.] cultivars using morphological indices. Asian J. of Multidisciplinary Studies. 4(6): 158-164.
  4. P R. Patel and S.K. Jain (2012). Stability analysis for yield and yield component traits in new breeding lines of Vigna unguiculata. Legume Res., 35 (1): 23-27.
  5. Singh, S. K., Singh, I. P., Singh, B. B. and Singh, O. (2009). Stability analysis in mungbean [Vigna radiate (L.) Wilczek]. Legume Res., 32 (2): 108-112.
  6. Singh, V., Yadav, R. K., Yadav, R., Malik R. S., Yadav, N. R. and Singh, J. (2013). Stability analysis in Mungbean [Vigna radiate (L.) Wilczek] for nutritional quality and seed yield. Legume Res., 36(1):56-61. 

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