International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:7, July, 2018

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.2018.7(7): 2478-2484

Study on Specific Combining Ability in Upland Cotton (G. hirsutum)
Dipali Ghive, B.R. Patil, R.B. Ghorade and D.B. Dhumale
Dr PDKV Krishi Nagar Akola, India
*Corresponding author

Ten genetically diverse parental lines were crossed in diallel fashion (excluding reciprocals). Ten parental lines, forty five hybrids and two checks were studied in kharif, 2009. Observations were recorded on fifteen characters viz., days to 50 per cent flowering, Days to maturity, Days to first boll bursting, plant height (cm), number of monopodia per plant, number of sympodia per plant, number of bolls per plant, boll weight (g), seed cotton yield (Kg/ha), seed index (g), lint yield (kg/ha), ginning out turn (%),2.5 per cent span length (mm), micronaire value (g/inch), fibre strength (g/tex), and uniformity ratio. Highest positively significant sca effect for seed cotton yield was recorded by the hybrid AKH 08-22 x BGP Sel SPS-18 followed by AKH 08-22 x IET SPS-2 and IET SPS-2 x BBP Sel SPS-30.The hybrid AKH 08-22 x IET SPS-2 ranked first seed cotton yield and it exhibited significant sca effects in desirable direction for 2.5 per cent span length, micronaire value, uniformity ratio and other plant parameters like days to 50% flowering, days to first boll bursting, number of sympodia, number of bolls per plant, lint yield (kg/ha).The hybrid AKH 08-22 x BGP Sel SPS-18 recorded highest sca for yield and sca is desirable for micronaire value, fibre strength and uniformity ratio.

Keywords: Cotton, Specific combining ability, ‘A’ and ‘D’ genome

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How to cite this article:

Cotton, Specific combining ability, ‘A’ and ‘D’ genomeInt.J.Curr.Microbiol.App.Sci. 7(7): 2478-2484. doi:
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