NDLI: Temperaturas de secagem na integridade física, qualidade fisiológica e composição química de sementes de arroz

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Temperaturas de secagem na integridade física, qualidade fisiológica e composição química de sementes de arroz

Content Provider	Semantic Scholar
Author	Menezes, Nilson Lemos De Pasqualli, Leandro Lourenço Barbieri, Ana Paula Piccinin Vidal, Maquiel Duarte Conceição, Gerusa Massuquini
Copyright Year	2012
Abstract	The drying of seeds is essential for its production process , however, the temperature used can affect seeds quality . T his study aimed at evaluating the effect of different temperatures on physical integrity, physiological quality and chemical composition of rice seeds. Four lots were arranged for each cultivar, being dried with the aid of the stationary method, by using the following temperatures: 32oC, 38oC, 44oC and 50oC. After each drying treatment, the physical integrity of seeds was analyzed, by evaluating its moisture content and fissures percentage. Physiological quality was evaluated with the aid of the germination test, first counting, electrical conductivity, accelerated aging, cold test, total length and dry mass of seedlings. The chemical composition of seeds was determined by evaluating their dry mass, crude protein and fiber and ethereal extract. The drying temperatures affected seeds quality, and when they increased ( 32-50 oC), the percentage of fissures in irrigated rice seeds also increased. Drying t emperatures of 32 oC and 38 oC allowed the expression of seed quality , while the temperature of 50 oC reduced its physiological potential .
Starting Page	430
Ending Page	436
Page Count	7
File Format	PDF HTM / HTML
DOI	10.1590/S1983-40632012000400011
Alternate Webpage(s)	https://www.revistas.ufg.br/pat/article/download/18457/12715
Alternate Webpage(s)	http://www.scielo.br/pdf/pat/v42n4/v42n4a11
Alternate Webpage(s)	https://doi.org/10.1590/S1983-40632012000400011
Volume Number	42
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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