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International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2018, Volume : 6, Issue : 5
First page : (1255) Last page : (1263)
Article doi: :

Heterosis Studies for Yield and Its Components in CGMS Based Hybrids of Pigeonpea (Cajanus cajan (L.) Millsp)

S. J. Mallikarjuna*, N.V. Naidu, C. V. Sameer Kumar, K. Hariprasad Reddy, V. Raja Rajeswari and S. R. Koteswara Rao

Acharya N. G. Ranga Agricultural University, Amaravathi Road, Lam, Andhra Pradesh 522034
*Corresponding Author E-mail:
Received: 20.09.2018 | Revised: 22.10.2018 | Accepted: 29.10.2018  



Estimation of the extent of heterosis in diverse cross combinations would always be useful in choosing the best performing crosses for commercial exploitation. In this context, four cytoplasmic male sterile lines were crossed with six genotypes of pigeonpea in a line x tester mating design during Kharif 2016-17. Thus, the resultant 24 hybrids along with their parents and two standard checks ASHA (ICPL 87119) and ICPH 2740 were evaluated in a randomized block design with three replications during Kharif 2017-18.The results indicated that the manifestation of relative heterosis for seed yield per plant was significantly superior of nine hybrids ranging from -35.93% - 49.93%, four hybrids ranging from -44.45% - 36.14%, one hybrid over standard variety ranging from -44.45% - 15.82% and one hybrid over standard hybrid ranging from -52.04% - 21.31% most of the cross combinations the significant positive heterosis was observed for seed yield per plant was mainly due to the manifestation of heterosis for its component characters. The best cross combinations in order of merit seed yield and other yield components were ICPA 2043 x ICPL 20096, ICPA 2047 x ICPL 20098 and ICPA 2078 x ICPL 87119.

Key words: Pigeonpea (Cajanus cajan (L.) millsp), Hybrid vigour, Relative heterosis, Heterobeltiosis, Standard heterosis, Yield and Yield attributes.

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Cite this article: Mallikarjuna, S. J., Naidu, N. V., Sameer Kumar, C. V.,  Hariprasad Reddy, K., Raja Rajeswari, V. and Koteswara Rao, S. R., Heterosis Studies For Yield and Its Components in CGMS Based Hybrids of Pigeonpea (Cajanus cajan (L.) Millsp), Int. J. Pure App. Biosci.6(5): 1255-1263 (2018). doi: