Sorghum seed coating with zinc: Physiological quality and initial performance of plants



Document title: Sorghum seed coating with zinc: Physiological quality and initial performance of plants
Journal: Acta scientiarum. Agronomy
Database: PERIÓDICA
System number: 000459656
ISSN: 1679-9275
Authors: 1
1
1
1
Institutions: 1Universidade Estadual do Norte Fluminense, Departamento de Producao Vegetal, Campos dos Goytacazes, Rio de Janeiro. Brasil
Year:
Volumen: 44
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Experimental, analítico
English abstract Sorghum (Sorghum bicolor) is highly sensitive to zinc deficiency in soils, which results in decreased productivity and low-quality agricultural products. Our objective was to evaluate the effects of different zinc doses, applied to seeds, on the physiological quality and initial performance of sorghum plants. Six doses (0, 3.5, 7.0, 14.0, 21.0, and 28.0 g kg-1 seeds) were used and an uncoated control. The Zn coating process used dolomitic limestone as the filler and glue. Laboratory tests were conducted in a completely randomized design and greenhouse experiments were conducted in a randomized block design. The control means were 8, 9, and 14% lower than the maximum, minimum, and total seed area of treatments, respectively, relative to that of treatments. The control differed from other treatments by 10.47 in the speed index of emergence. Zinc at a dose of 28 g kg-1 seeds provided greater production of aerial dry matter, with nutrient content of 75.85 mg kg-1. Zinc on sorghum seeds affected length and dry matter production of aerial parts and roots but did not affect physical characteristics, germination, or emergence time. Applied zinc accumulated mainly in the roots, and promotes changes in Ca and Mg in seeds and other plant parts
Disciplines: Agrociencias,
Biología
Keyword: Gramíneas,
Fisiología vegetal,
Sorghum bicolor,
Sorgo,
Zinc,
Semillas
Keyword: Gramineae,
Plant physiology,
Sorghum bicolor,
Sorghum,
Zinc,
Seeds
Full text: Texto completo (Ver HTML) Texto completo (Ver PDF)