Agro-morphological Characterization and Fatty Acid
Composition Analysis of Selected Sunflower Accessions


Christine Joy S. Manalili1,2, Erick Allain C. Flores1,
Paula Blanca V. Gaban1,3, and John Dave C. Aquino1,2,3*

1University Research Center, Research and Extension,
Central Luzon State University Science City of Muñoz, Nueva Ecija 3120 Philippines
2Department of Crop Science, College of Agriculture, Central Luzon State University
Science City of Muñoz, Nueva Ecija 3120 Philippines
3Science Education Institute, Department of Science and Technology
Bicutan, Taguig City 1630 Philippines


*Corresponding Author: This email address is being protected from spambots. You need JavaScript enabled to view it.



Sunflower is one of the most important oil crops, with the essential fatty acids of its oil considered to be important in the human diet. Various sunflower accessions necessitate morphological and oil research. This study evaluates the agro-morphological characteristics of sunflower using the guidelines developed by the International Union for the Protection of New Varieties of Plants (UPOV). Moreover, it also assessed the distinctness, uniformity, and stability among accessions through the agglomerative clustering method, with the morphological diversity estimated using the Shannon-Weiner diversity index that ranges from low to moderate. A significant relationship was observed between pollen diameter and sunflower oil. Twenty (20) accessions were extracted to determine the oil content and fatty acid composition using gas chromatography–mass spectrometry (GC-MS). Out of 20 sunflower germplasms, 18 accessions had oil extracted. CL-SF20 obtained the highest amount of extracted oil. GC-MS analysis revealed that CL-SF14 has 71.5% oleic acid, 6.86% palmitic acid, and the lowest polyunsaturated/saturated fatty acid (P/S) index of 0.4228.



Oilseed crops are broadly developed around the world and are considered one of the foremost imperative crops due to their financial esteem. . . . read more