Effects of partial root zone drying and deficit irrigation on yield and oil quality of sunflower in a Mediterranean environment

This study examines the effects of different partial root zone drying and deficit irrigation regimes on seed and oil yield quality and water use of drip‐irrigated sunflower under field conditions in 2006 and 2007 in the eastern Mediterranean region of Turkey. Irrigation regimes consisted of full irr...

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Veröffentlicht in:	Irrigation and drainage 2011-10, Vol.60 (4), p.499-508
Hauptverfasser:	Sezen, S. Metin, Yazar, Attila, Tekin, Servet
Format:	Artikel
Sprache:	eng
Schlagworte:	assèchement partiel de la zone racinaire concentration en acides gras deficit irrigation Drainage Drying oils efficacité d'utilisation de l'eau environment fatty acid concentration Fatty acids growing season head Helianthus annuus irrigated farming Irrigation irrigation déficitaire irrigation rates irrigation water linoleic acid lipid content Mediterranean climate microirrigation oil content oleic acid palmitic acid PRD rendement rhizosphere Roots seed yield Seeds stearic acid sunflower oil sunflower seed Sunflowers teneur en huile water stress water use water use efficiency Weight reduction yield components yield response factor
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Beschreibung
Zusammenfassung:	This study examines the effects of different partial root zone drying and deficit irrigation regimes on seed and oil yield quality and water use of drip‐irrigated sunflower under field conditions in 2006 and 2007 in the eastern Mediterranean region of Turkey. Irrigation regimes consisted of full irrigation (FI‐100) and three deficit irrigation treatments (DI‐25, DI‐50, DI‐75), and partial root zone drying (PRD‐50) and rain‐fed treatment (RF). Irrigation regimes significantly (P
ISSN:	1531-0353 1531-0361 1531-0361
DOI:	10.1002/ird.607