Dissection of genotype-by-environment interaction and stability analysis of major fatty acids in sunflower

IF 2.3 4区农林科学 Q1 AGRONOMY

Archives of Agronomy and Soil Science Pub Date : 2023-05-09 DOI:10.1080/03650340.2023.2210503

M. Ghaffari, A. Gholizadeh, S. Rauf

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引用次数: 0

Abstract

ABSTRACT Stability of fatty acids in response to environmental conditions determines the oil quality of sunflower. The aim of this study was determining the stability of major fatty acids of sunflower under optimum and drought stress conditions in diverse regions in Iran. Thirteen sunflower hybrids were evaluated in a randomized complete block design with three replications under optimum and drought stress conditions in Isfahan, Karaj and Kermanshah in Iran, during two years (2019–2020). The data for fatty acids were graphically analyzed using GGE-biplot method. The fatty acids contents were affected differentially by geographic locations and climatic conditions. Palmitic acid was more stable than the other fatty acids throughout the locations. Cluster analysis confirmed a location-related fatty acid expression for oleic acid content. Palmitic acid content was enhanced by drought stress. A minimum set of test environments were identified for evaluation of sunflower hybrids in terms of fatty acid content as E10 and E12 for palmitic acid, E2, E10 and E11 for stearic acid, E2, E5 and E6 for linoleic acid and E10 for oleic acid content. The results confirmed that GGE- biplot methodology could identify specific adapted hybrids to different conditions in terms of fatty acid contents.

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向日葵主要脂肪酸的环境相互作用基因型分析及稳定性分析

摘要脂肪酸在环境条件下的稳定性决定了向日葵的油质。本研究的目的是确定伊朗不同地区向日葵在最佳干旱胁迫条件下主要脂肪酸的稳定性。在伊朗伊斯法罕、卡拉杰和克尔曼沙赫，在两年（2019-2020）的最佳和干旱胁迫条件下，采用随机完全区组设计对13个向日葵杂交种进行了评估，共进行了三次重复。使用GGE双标法对脂肪酸数据进行图形分析。脂肪酸含量受地理位置和气候条件的不同影响。棕榈酸在整个地区比其他脂肪酸更稳定。聚类分析证实了油酸含量与位置相关的脂肪酸表达。干旱胁迫使棕榈酸含量增加。根据脂肪酸含量，确定了一组用于评估向日葵杂交种的最小测试环境，棕榈酸为E10和E12，硬脂酸为E2、E10和E11，亚油酸为E2、E5和E6，油酸为E10。结果表明，GGE双标法能够从脂肪酸含量的角度鉴定出适应不同条件的特定杂交种。

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来源期刊

Archives of Agronomy and Soil Science AGRONOMY-SOIL SCIENCE

CiteScore

5.50

自引率

4.20%

发文量

107

期刊介绍： rchives of Agronomy and Soil Science is a well-established journal that has been in publication for over fifty years. The Journal publishes papers over the entire range of agronomy and soil science. Manuscripts involved in developing and testing hypotheses to understand casual relationships in the following areas: plant nutrition fertilizers manure soil tillage soil biotechnology and ecophysiology amelioration irrigation and drainage plant production on arable and grass land agroclimatology landscape formation and environmental management in rural regions management of natural and created wetland ecosystems bio-geochemical processes soil-plant-microbe interactions and rhizosphere processes soil morphology, classification, monitoring, heterogeneity and scales reuse of waste waters and biosolids of agri-industrial origin in soil are especially encouraged. As well as original contributions, the Journal also publishes current reviews.