Improvement of productivity and seed quality of oil and non-oil sunflower (Helianthus annuus l.) varieties with organic manures

M.amin, Sameerah Abubakr; Salih, Rabar Fatah; Ezaddin, Neven Azad; Mawlood, Twana Yousif; Sultan, Deedar Maghded

doi:10.32894/MEDIP.26.4.2.4

	Improvement of productivity and seed quality of oil and non-oil sunflower (Helianthus annuus l.) varieties with organic manures
Journal of Medicinal and Industrial Plant Sciences
Volume 4, Issue 2, June 2026, Pages 31-46 PDF (800.31 K)
Document Type: Original Article
DOI: 10.32894/MEDIP.26.4.2.4
Authors
Sameerah Abubakr M.amin^* ¹; Rabar Fatah Salih¹; Neven Azad Ezaddin¹; Twana Yousif Mawlood¹; Deedar Maghded Sultan²
¹Department of Field Crops and Medicinal Plants, College of Agricultural Engineering Sciences, Salahaddin University-Erbil, Erbil, Kurdistan Region, Iraq
²Department of Engineering, West Erbil Emergency Hospital, General Directorate of Health-Erbil, Ministry of Health, Kurdistan Region Government, Iraq
Abstract
A field experiment was conducted at the Grdarasha Research Station, Salahaddin University, Erbil to determine the impact of organic fertilizer on the growth, yield, and quality of both oil type and non-oil type sunflower. Two varieties and four fertilizer treatments were utilized:[oil type"V₁"and non-oil type"V₂"],[Control"OM₀",Animal manure at 5 t ha^-1"OM₁",Poultry manure at 5 t ha^-1"OM₂",and combination of Animal manure and Poultry manure at 10 t ha^-1"OM₃"],employing a factorial randomized complete block design with three replicates. The results showed that application of organic manure, using different varieties and their interaction have notable impact on the growth and yield of sunflower. Application of OM₃ obtained the highest value for most plant characteristic such as stem diameter, head diameter, seed index and seed yield that were (33.10cm, 18.23cm, 89.24g and 3.97t ha^-1),respectively in comparison to control treatment that obtained the lowest values. Likewise, for most studied characters non-oil sunflower varieties recorded the maximum values for (plant height, number of seed head^-1, and seed yield) which were (176.56cm, 483.40 and 3.42t ha^-1) respectively. Interaction treatment of (OM₂XV₂) achieved the highest value of (plant height, stem diameter and seed index) which were(185.05cm, 34.95cm and 92.27g)respectively as compared to other interaction treatment. Application of OM₃ and combination of (OM₃XV₂) had a significant effect on oil content% as a quality measure, the highest values were(22.80 and 23.37)% respectively compared to other treatments. Using cow manure and poultry manure together is an important factor that increase sunflower yield. There are differences in most of traits across sunflower varieties and interaction between organic manure and varieties.
Keywords
Sunflower; Varieties; Organic Manures; Productivity; Quality

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