Journal of
Plant Breeding and Crop Science

  • Abbreviation: J. Plant Breed. Crop Sci.
  • Language: English
  • ISSN: 2006-9758
  • DOI: 10.5897/JPBCS
  • Start Year: 2009
  • Published Articles: 322

Full Length Research Paper

Combining ability assessment in Helianthus annuus L. through line × tester analysis for quantitative traits and quality parameters

Muhammad Azeem ur Rahman Khalid
  • Muhammad Azeem ur Rahman Khalid
  • Agricultural Research Station, Bahawalpur, Pakistan.
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Dr Muhammad Ahsan Iqbal
  • Dr Muhammad Ahsan Iqbal
  • Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan.
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Muhammad Zubair
  • Muhammad Zubair
  • Agricultural Research Station, Bahawalpur, Pakistan.
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Amanullah Zafar
  • Amanullah Zafar
  • Institute of Soil Science, University of Agriculture Faisalabad, Pakistan.
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Asad Butt
  • Asad Butt
  • Institute of Soil Science, University of Agriculture Faisalabad, Pakistan.
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Sulman Abid
  • Sulman Abid
  • Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan.
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Yasir Shahzad
  • Yasir Shahzad
  • Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan.
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Muhammad Ajmal
  • Muhammad Ajmal
  • Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan.
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Ali Adnan Liaqat
  • Ali Adnan Liaqat
  • Department of Entomology, University of Agriculture Faisalabad, Pakistan.
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  •  Received: 13 July 2017
  •  Accepted: 18 September 2017
  •  Published: 31 May 2018

Abstract

The cross combinations of different lines and testers (L×T) for high yielding sunflower (Helianthus annuus) hybrids were evaluated. Plant materials were utilized by L×T mating design of 7 lines and 3 testers and their 21 hybrids were sown in the field during 2015 autumn season in RCBD design with 3 replications. Genetic variability, general combing ability (GCA) and specific combining ability (SCA) among genotypes were assessed. Lines A-12, A-2.2 and tester G-53 were found to be good general combiners for days to flowering, plant height, number of leaves per plant, stem diameter, achene yield per head, 100-seed weight, oil content, and protein content. Among the crosses, A-12 × B-3.16 and B-12.10 × C-3.3 were reported as good specific combiners for yield-related traits. For protein content, the cross B-3.1 × B-3.16 showed the maximum SCA effects.

Key words: Line × tester, general combing ability (GCA), specific combining ability (SCA), protein contents, yield.