2015
DOI: 10.2134/agronmonogr19.c5
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Harvesting, Handling, and Storage of Seed

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Cited by 2 publications
(3 citation statements)
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“…The moisture content of straw, which was not significantly different (one exception: HEL 680 Hybride USA; Table ), indicates that harvest was conducted at the same physiological plant age for all genotypes. Even if the harvest of sunflowers in the field is carried out at a seed moisture content of 20%–25% (Hugger, ; Schuler, Hirning, Hofman, & Lundstrom, ), the physiological maturity is already reached much earlier. Physiological maturity is defined as the point where oil concentration and dry weight have a maximum (Anderson, ), and it is reached about 35 days after flowering (Robertson, Chapman, & Wilson, ).…”
Section: Discussionmentioning
confidence: 99%
“…The moisture content of straw, which was not significantly different (one exception: HEL 680 Hybride USA; Table ), indicates that harvest was conducted at the same physiological plant age for all genotypes. Even if the harvest of sunflowers in the field is carried out at a seed moisture content of 20%–25% (Hugger, ; Schuler, Hirning, Hofman, & Lundstrom, ), the physiological maturity is already reached much earlier. Physiological maturity is defined as the point where oil concentration and dry weight have a maximum (Anderson, ), and it is reached about 35 days after flowering (Robertson, Chapman, & Wilson, ).…”
Section: Discussionmentioning
confidence: 99%
“…La simiente de girasol, como la de todas las especies, experimenta con el transcurso del tiempo un deterioro que se hace patente de modo claro después de un período que varía en función de las condiciones de almacenamiento. SCHULER et al (1978) indican que el máximo porcentaje de humedad que se considera seguro para el almacenaje de girasol es del 9,5%…”
Section: Longevidad: Efecto De Las Condiciones De Almacenamientounclassified
“…No existe un criterio único acerca de la temperatura de secado. Lo más habitual, cuando no hay peligro de pérdida de materiales volátiles, son valores entre los 100 y los 105 °C; en ocasiones se emplean otras, como por ejemplo 130 °C (SCHULER et al, 1978;ISTA, 2003, método de alta temperatura). Las Reglas de la ISTA (2003) estipulan con carácter general un secado a 103 °C durante 17 h, seguido de enfriamiento en desecador durante 30 a 45 minutos; éste es el método empleado en este trabajo.…”
Section: Humedad De Imbibiciónunclassified