Physiological potential and antioxidant metabolism during storage of soybean seeds contrasting with phenylpropanoid pathway compounds

IF 1.2 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY
Julia Abati, C. Zucareli, Cristian Rafael Brzezinski, L. Moraes, I. O. N. Lopes, L. M. Mertz-Henning, F. C. Krzyzanowski, Fernando Augusto Henning
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引用次数: 1

Abstract

: Differences in seed storage tolerance between soybean cultivars have been frequently observed. Thus, identifying compounds found in them that may be related to these differences is necessary to support the selection of cultivars with seeds with better storage potential. Therefore, this study aimed to evaluate changes in viability and vigor of soybean seeds during storage in two environments, relating them to antioxidant activity, production of reactive oxygen species, and metabolites of the phenylpropanoid pathway. The experimental design was completely randomized in a 4 × 5 factorial scheme (storage periods × cultivars). Cultivars with contrasting characteristics of lignin content, seed coat color, and isoflavone content in the seed were used, stored for six months in a cold and dry chamber and an uncontrolled environment. Every two months, viability and vigor, enzymatic activity (superoxide dismutase and catalase), and hydrogen peroxide content were evaluated. Storage in a cold and dry chamber maintains seed viability of cultivars A, C, and D; it is reduced in all cultivars in an uncontrolled environment. Seed vigor is reduced during storage. There is no association between the seeds’ physiological quality and the superoxide dismutase and catalase activities. The increase in the hydrogen peroxide content in the seed coat is an indicator of the reduction in the seed physiological quality when stored in an uncontrolled environment. The difference in deterioration tolerance during storage is associated with the lignin content in the seed coat.
大豆种子贮藏过程中生理电位和抗氧化代谢与苯丙素途径化合物的对比
大豆品种间种子耐贮藏性的差异已被经常观察到。因此,鉴定可能与这些差异有关的化合物是必要的,以支持选择具有更好储存潜力的种子品种。因此,本研究旨在评估大豆种子在两种环境下储存期间活力和活力的变化,并将其与抗氧化活性、活性氧的产生和苯丙素途径代谢物的关系联系起来。试验设计采用4 × 5因子(贮藏期×品种)完全随机化设计。选用具有木质素含量、种皮颜色和异黄酮含量对比特征的品种,在冷干室和无控制环境中保存6个月。每2个月检测一次存活率、活力、酶活性(超氧化物歧化酶和过氧化氢酶)和过氧化氢含量。在寒冷干燥的室内储存可以保持品种a、C和D的种子活力;在不受控制的环境中,它在所有品种中都减少了。种子活力在贮藏期间降低。种子的生理品质与超氧化物歧化酶和过氧化氢酶活性无相关性。种皮中过氧化氢含量的增加是种子在不受控制的环境中储存时生理品质下降的一个指标。贮藏期间耐变质性的差异与种皮中木质素含量有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Bragantia
Bragantia AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
2.40
自引率
8.30%
发文量
33
审稿时长
4 weeks
期刊介绍: Bragantia é uma revista de ciências agronômicas editada pelo Instituto Agronômico da Agência Paulista de Tecnologia dos Agronegócios, da Secretaria de Agricultura e Abastecimento do Estado de São Paulo, com o objetivo de publicar trabalhos científicos originais que contribuam para o desenvolvimento das ciências agronômicas. A revista é publicada desde 1941, tornando-se semestral em 1984, quadrimestral em 2001 e trimestral em 2005. É filiada à Associação Brasileira de Editores Científicos (ABEC).
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