New Zealand Journal of Crop and Horticultural Science abstracts

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Identification of inbred lines with superior combining ability for hybrid sunflower (Helianthus annuus) production in Turkey

Aydin Turkec

Uludag University
Mustafa Kemalpasa Vocational School
16500 Bursa, Turkey
email: aturkec@uludag.edu.tr

Abdurrahim T. Goksoy

Uludag University
Department of Field Crops
Faculty of Agriculture
16059 Gorukle, Bursa, Turkey

Abstract This research was conducted to estimate general and specific combining abilities for seed yield and certain yield components. Five female (CMS) lines and five male (restorer) lines were crossed resulting in 25 hybrids for determination of superior F1 sunflower (Helianthus annuus) hybrids using line tester analysis. Based on the performance and gca, the parents CMS 11/2, CMS 47/1, RHA 68/4, and RHA 72/3 were found to be good general combiners. The crosses CMS11/2 &× RHA68/4, CMS11/2 × RHA69/, CMS11/2 × RHA72/3, CMS46/2 × RHA72/3, and CMS47/1 × RHA71/1 gave the highest yields in the experiment, and in addition, CMS11/2 × RHA68/4 showed significant specific combining ability for seed yield. Three other crosses also revealed positive specific combining ability for other characters.

Keywordscross combinations; gca variances; gene interactions; seed yield

New Zealand Journal of Crop and Horticultural Science, 2006, Vol. 34: 7–10
0014–0671/06/3401–0007      © The Royal Society of New Zealand 2006
H05012; Online publication date 19 January 2006
Received 7 February 2005; accepted 24 August 2005

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