Journal
JOURNAL OF SEED SCIENCE
Volume 43, Issue -, Pages -Publisher
ABRATES-ASSOC BRASILEIRA TECHNOLOGIA SEMENTES
DOI: 10.1590/2317-1545v43253585
Keywords
deterioration; Glycine max (L; ) Merrill; isoflavone; lignin; seed coat color
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The study found that the physiological quality of soybean seeds declines during storage, with a higher rate of decrease in non-controlled environments. Metabolites of the phenylpropanoid pathway, especially lignin, were found to affect seed storage potential, with cultivars high in lignin content showing greater storage potential, particularly in non-controlled environments.
The aim of this study was to evaluate changes in the physiological quality of soybean seeds throughout a storage period in two environments, and to evaluate how these changes are related to metabolites of the phenylpropanoid pathway. A completely randomized experimental design was used in a 4 x 8 factorial arrangement (storage periods x cultivars) with four replications. We used seeds from cultivars with contrasts in lignin content, color, and presence of anthocyanin in the seed coat, and isoflavone content in the seed. The seeds were kept for six months under cold and dry storage and in a non controlled environment. Germination, first germination count, seedling emergence, and tetrazolium testing were performed on the seeds every two months. The physiological quality of the seeds declines during the storage period, with higher rates of decrease in the non-controlled environment. The metabolites of the phenylpropanoid pathway that were studied, especially lignin, affect seed storage potential. Cultivars with higher lignin content show greater storage potential, especially in a non-controlled environment.
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