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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(2): 1379-1384
DOI: https://doi.org/10.20546/ijcmas.2019.802.162


Heterosis for Productivity and Fibre Quality Traits among Hybrids Derived from Diverse Lines of Gossypium hirsutum L.
M.J. Pavitra*, S.T. Kajjidoni and Venkatesh
Department of Genetics and Plant Breeding, College of Agriculture, Dharwad University of Agricultural Sciences, Dharwad – 580 005, Karnataka, India
*Corresponding author
Abstract:

A study on heterosis for seed cotton yield and fibre quality traits was carried out at Agricultural Research Station, Dharwad farm during kharif 2017. The material comprised of 28 intraspecific hybrids, their parents and standard check DHH-11 which were evaluated in randomized complete block design (RCBD) with two replications. The analysis of variance indicated the presence of substantial variability among the experimental materials for yield and fibre quality traits. The hybrid KDHH-22 exhibited significant positive heterosis over the standard check for seed cotton yield per plant and ginning outturn. The hybrid KDHH-4 recorded high significant standard heterosis for number of sympodia per plant and uniformity ratio, as well as high mean performance for plant height and lint index. The other hybrid, KDHH-11 exhibited significant standard heterosis for seed index and fibre strength. The hybrids KDHH-9, KDHH-24, KDHH-19, KDHH-27 exhibited high significant the standard heterosis for number of monopodia per plant, number of bolls per plant, boll weight and micronaire value respectively in desirable direction. The cross KDHH-13 recorded significant heterosis over standard check for UHML and elongation. The hybrids KDHH-22, KDHH-1, KDHH-8, KDHH-7 and KDHH-6 were identified as best hybrids for seed cotton yield and fibre quality traits which can be exploited through heterosis breeding.


Keywords: Cotton, Ginning outturn, Heterosis, Intraspecific, Line × Tester analysis
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How to cite this article:

Pavitra, M.J., S.T. Kajjidoni and Venkatesh. 2019. Heterosis for Productivity and Fibre Quality Traits among Hybrids Derived from Diverse Lines of Gossypium hirsutum L.Int.J.Curr.Microbiol.App.Sci. 8(2): 1379-1384. doi: https://doi.org/10.20546/ijcmas.2019.802.162