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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 April, 2024
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Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
E-ISSN : 2582-4198
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Vol. 6 (6) : November-December 2015 issue
Green Farming Vol. 6 (6) : 1195-1199 ; November-December, 2015
Heterosis & character association studies in pigeonpea
P.U. DHONE1, D.V. PATIL2, I.A. MADRAP3, KULDEEP SINGH CHANDRAWAT4* and P.H. KIIHNE DUMAI5
Deptt. of Agriculture Botany, Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani - 431 402 (Maharashtra)
Designation :  
1,4,5P.G. Student *(kchandrawatgpb@gmail.com), 2Assoc. Professor, 3Head
Subject : Crop Genetics and Plant Breeding
Paper No. : P-2721
Total Pages : 5
Received : 03 October 2015
Revised accepted : 03 November 2015
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Citation :

P.U. DHONE, D.V. PATIL, I.A. MADRAP, KULDEEP SINGH CHANDRAWAT and  P.H. KIIHNE DUMAI. 2015. Heterosis & character association studies in pigeonpea. Green Farming Vol. 6 (6) : 1195-1199 ; November-December, 2015

ABSTRACT
Pigeonpea is the often cross pollinated species with availability of male sterlity and became amenable for heterosis breeding. The present investigation was carried out to calculate the percent standard heterosis for twenty parents (three females and seventeen male parents) and fifty one hybrids which were grown in the randomized block design with two replications following line x tester analysis at VNMKV, Parbhani (MS) during kharif 2012. Predominance of non-additive gene effencts was found for all the characters. The crosses viz.,ICPA-2043 x BDN-2010, ICPA-2043 x ICP-8858, ICPA-2092 x BWR-24, ICPA-2043 x BWR-87 and ICPA-2092 x BWR-134 were found to be best hetrerotic combinations which may use in further hybridization programmes. The mean performance for plant and pollen fertility also observed for parents and hybrids which is useful in pod setting. Significant and positive correlation of seed yield per plant found with number of pods per plant, number of seeds per pod & no. of secondary branches per plant and number of pods per plant excerterd the highest positive direct effect on seed yield per plant.
Key words :
Correlation, Growth & yield characters, Heterosis, Line x tester, Path analysis, Pigeonpea.