Sulfur modulates yield and storage proteins in soybean grains
Sci. agric
; 78(1): e20190020, 2021. graf
Article
in En
| VETINDEX
| ID: biblio-1497922
Responsible library:
BR68.1
Localization: BR68.1
ABSTRACT
This study evaluated the nutritional quality, yield, and storage protein modulation in soybean grains in response to levels and sources of sulfur (S) in a dystrophic Ultisol. We used five levels of S (0, 50, 100, 150 and 200 mg kg 1 ) and four sources of S (elemental S pastille - ESPA, gypsum - GY, gypsite - GI and elemental S powder - ESPO). Plants treated with 50 mg kg 1 of GY, GI, and ESPO and 200 mg kg 1 of ESPA had the largest grain yield values. Low S supply resulted in lower yields for all S sources tested. Sulfur deficiencies were observed at all levels for ESPA, resulting in lower concentrations of globulin and higher concentration of glutelin and albumin in the grains, possibly because the S content in the leaf was below the range adequate for soybean, leading to in lower yield values. In general, the application of S sources (GY, GI, and ESPO) increased all protein fractions. The results show that proper application of S is essential to optimize soybean yield and increase storage proteins in the grains. The granulometry of ESPA and ESPO fertilizers was a key factor for the availability of S to soybean plants. This study presents relevant information on S fertilization of soybeans, which could provide better grain nutritional quality and increased storage proteins with benefits to animal health.
Key words
Full text:
1
Database:
VETINDEX
Main subject:
Glycine max
/
Sulfur Compounds
/
Elementary Particles
/
Seed Storage Proteins
Language:
En
Journal:
Sci. agric
/
Sci. agric.
Year:
2021
Document type:
Article