International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 6, Issue:10, October, 2017

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(10): 2883-2887

Heterosis and Inbreeding Depression for Seed Cotton Yield and Yield Attributing Traits in Intrahirsutum (G. hirsutum L. X G. hirsutum L.) Hybrids of Cotton
Aman Tigga*, S.S. Patil,  Vinayak Edke, Utpal Roy and Ashutosh Kumar
Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences, Dharwad-580005, Karnataka, India
*Corresponding author

The present investigation was undertaken to estimate the extent of heterosis for yield and its quantitative traits in crosses of G. hirsutum. For this purpose, two hybrids were developed by using four parents during kharif 2014. These hybrids along with four parents were planted in kharif 2015. The hybrids DSMR10 x DRCR4 and DRGR2572 x M5 exhibited significant positive heterosis over mid parent and better parent for seed cotton yield and lint yield. These hybrids also showed significant heterosis for plant height, number of bolls per plant, boll weight, lint yield, number of monopodia and sympodia per plant.

Keywords: Heterobeltiosis, Mid-parent heterosis, Non-additive gene action, Inbreeding depression.

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Heterobeltiosis, Mid-parent heterosis, Non-additive gene action, Inbreeding depression.Int.J.Curr.Microbiol.App.Sci. 6(10): 2883-2887. doi:
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