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 Academic Research Journal of Agricultural Science and Research
 

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Academic Research Journal of Agricultural Science and Research 

Vol. 3(6), pp. 128-136. June, 2015.

ISSN: 2360-7874 

 DOI: 10.14662/ARJASR2015.033

 

Full Length Research

Heterotic Studies in 8 8 Diallel Crosses of Upland Cotton

 

Kashif Ali Shah1*, NaqibUllah Khan1, Liaqat Shah2, Asif Ali2, Aaqil Khan3, Xu Ying3, Zaheer Abbas1

 

1Department of Plant Breeding and Genetics, The University of Agriculture Peshawar, Pakistan

2Key Lab of Crop Biology, School of Life Sciences, Anhui Agricultural University, Hefei 230036, China

3School of Agronomy, Anhui Agricultural University, Hefei 230036, China

Corresponding author E-mail: kashifgenetics@gmail.com

 

Accepted 8 May 2015

Abstract

 

To study the genetic variability in 8 8 diallel cross of upland cotton among different morpho-yield traits, an experiment involving eight cotton (Gossypium hirsutum L.) cultivars and their 56 F1 crosses were grown at The University of Agriculture Peshawar, Pakistan during May, 2009. Mean values for days to flowering varied from 57.00 to 71.67 among parental genotypes while mean values ranged from 51.33 to 65.33 days in F1 hybrids. Mean values for monopodia plant-1among the parental genotypes and F1 hybrid varied from 0.30 to 1.13 and 0.22 to 1.59, respectively. Mean values for seed cotton yield plant-1 varied from 40.48 to 117.50 g among parental cultivars while 42.11 to 243.10 g in F1 hybrids.The cross combination SLH-284 CIM-506 showed desirable negative values heterosis over mid and better parents for days to first flowering (-20.00 and   -27.45%). The F1 hybrid CIM-499 CIM-473 exhibited promising mid and better parent heterosis values for bolls sympodia-1 (110.12 and 101.37%). The cross combination CIM-473 CIM-554 showed superior heterosis over both parents for bolls plant-1 (101.10 and 77.00%) and boll weight (25.87 and 18.28%). The F1 hybrid CIM-707 CIM-496 demonstrated promising mid and better parent heterosis values seed for cotton yield plant-1 (86.95 and 84.86%) and desirable negative values for monopodia plant-1 (-56.44 and -67.76%). The above mentioned F1 crosses can be further studied for their stability in F2 generation for hybrid cotton production.

 

Key words: heterosis; F1 crosses; morphological traits; yield traits; upland cotton

 

 

How to cite this article: Shah KA*, Khan N, Shah L, Ali A, Khan A, Ying X, Abbas Z (2015). Heterotic Studies in 8 8 Diallel Crosses of Upland Cotton. Acad. Res. J. Agri. Sci. Res. 3(6):128-136. 

 

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Current Issue: June 2015

 

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  Vol. 3 No. 6

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