Avaliação de híbridos de girassol (Helianthus annuus) plantados sob condições de primavera de Haripur, Paquistão, para os atributos de qualidade e produção de óleo

Translated title of the contribution: Sunflower (Helianthus annuus) hybrids evaluation for oil quality and yield attributes under spring planting conditions of Haripur, Pakistan

Iqrasan, A. Qayyum, S. U. Khan, S. A. Khan, A. Mehmood, Y. Bibi, A. Sher, H. Khan, M. A. Jenks

Research output: Contribution to journalArticle

Abstract

Field experiment was conducted at the University of Haripur, Pakistan, to explore the role of photothermal units on oil contents, fatty acids profile, yield and yield traits of four sunflower hybrids viz SMH-0917, NK-S-278, SMH-0907 and Hysun- 33. These sunflower hybrids were selected because the farmers of that area are mostly relying on these hybrids for sunflower production. Sunflower hybrids were sown in spring and arranged under Randomized Complete Block Design with 3 replications under field conditions. Significant variation (p ≤ 0.05%) was found among the sunflower hybrids for photothermal unit requirements for flower completion and physiological maturity. Highest photothermal unit accumulation was found in Hysun- 33 followed by SMH-0917 and SMH-0907. Highest seed oil content and oil composition (linoleic and oleic acid were most abundant, whereas palmitic acid was least) was recorded in Hysun-33, SMH-0917 and SMH-0907. Overall Hysun-33, SMH-0917 and SMH-0907 performed better for plant height, head diameter, number of achenes per head and achene yield under field conditions. It was also observed that temperature and moisture availability positively influenced the oil quality of sunflower hybrids under spring planting conditions. The significant amount of variation within the sunflower population for photothermal unit accumulation, oil content, oil quality, and yield traits under these uniform field conditions reveals potential genetic variation that could be useful in breeding early maturing and high yielding local sunflower hybrids.

Original languagePortuguese
Article numbere017161596
JournalPlanta Daninha
Volume35
DOIs
StatePublished - Jan 1 2017
Externally publishedYes

Fingerprint

Helianthus
Pakistan
Helianthus annuus
Oils
planting
oils
Oilseeds
Palmitic Acid
lipid content
Linoleic Acid
Oleic Acid
Moisture
Fatty Acids
Availability
Breeding
Chemical analysis
seed oils
palmitic acid
Seeds
oleic acid

Keywords

  • Fatty acid profile and yield
  • Helianthus annuus
  • Oil content
  • Photothermal units

ASJC Scopus subject areas

  • Biochemistry
  • Physiology
  • Agronomy and Crop Science
  • Plant Science

Cite this

Avaliação de híbridos de girassol (Helianthus annuus) plantados sob condições de primavera de Haripur, Paquistão, para os atributos de qualidade e produção de óleo. / Iqrasan; Qayyum, A.; Khan, S. U.; Khan, S. A.; Mehmood, A.; Bibi, Y.; Sher, A.; Khan, H.; Jenks, M. A.

In: Planta Daninha, Vol. 35, e017161596, 01.01.2017.

Research output: Contribution to journalArticle

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AU - Khan, S. A.

AU - Mehmood, A.

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AU - Sher, A.

AU - Khan, H.

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AB - Field experiment was conducted at the University of Haripur, Pakistan, to explore the role of photothermal units on oil contents, fatty acids profile, yield and yield traits of four sunflower hybrids viz SMH-0917, NK-S-278, SMH-0907 and Hysun- 33. These sunflower hybrids were selected because the farmers of that area are mostly relying on these hybrids for sunflower production. Sunflower hybrids were sown in spring and arranged under Randomized Complete Block Design with 3 replications under field conditions. Significant variation (p ≤ 0.05%) was found among the sunflower hybrids for photothermal unit requirements for flower completion and physiological maturity. Highest photothermal unit accumulation was found in Hysun- 33 followed by SMH-0917 and SMH-0907. Highest seed oil content and oil composition (linoleic and oleic acid were most abundant, whereas palmitic acid was least) was recorded in Hysun-33, SMH-0917 and SMH-0907. Overall Hysun-33, SMH-0917 and SMH-0907 performed better for plant height, head diameter, number of achenes per head and achene yield under field conditions. It was also observed that temperature and moisture availability positively influenced the oil quality of sunflower hybrids under spring planting conditions. The significant amount of variation within the sunflower population for photothermal unit accumulation, oil content, oil quality, and yield traits under these uniform field conditions reveals potential genetic variation that could be useful in breeding early maturing and high yielding local sunflower hybrids.

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