Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/51675
Title: Soybean seed size: how does it affect crop development and physiological seed quality?
Keywords: Glycine max L.
Seed diameter
Sieve classification
Yield
Diâmetro de sementes
Classificação por peneiras
Produtividade
Issue Date: 2022
Publisher: Associação Brasileira de Tecnologia de Sementes
Citation: BIANCHI, M. C. et al. Soybean seed size: how does it affect crop development and physiological seed quality? Journal of Seed Science, [S.l.], v.44, 2022. DOI: 10.1590/2317-1545v44255400.
Abstract: The size of soybean seeds needs further study because its relationships with physiological quality, field establishment, and yield are controversial. The aim of this study was to evaluate the effects of seed size on soybean establishment and seed physiological quality. In the field, a 2x3x3 factorial design was used, with two cultivars (M 5947 IPRO and 59HO124 IPRO), three seed sizes (5.5, 6.0, and 6.5 mm), and three sowing densities (280,000, 320,000, and 360,000 plants.ha-1). Agronomic traits and grain yield were evaluated. After harvest, only seeds from plots with a population of 320,000 plants were classified by size using circular sieves with 5.5-mm, 6.0-mm, 6.5-mm, and 7.0-mm mesh sizes. For the evaluation of physiological quality, a 2x4 factorial design was applied, with two cultivars and four seed sizes. Germination, seedling emergence, accelerated aging, seedling dry matter, and emergence speed index were evaluated. Smaller seeds gave rise to shorter plants with a lower first pod insertion height. Larger seeds had higher physiological quality. The M 5947 IPRO cultivar showed better seed performance and quality.
URI: http://repositorio.ufla.br/jspui/handle/1/51675
Appears in Collections:DAG - Artigos publicados em periódicos

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