Abstract
ABSTRACT This paper aimed to evaluate the effect of packaging, environments, and storage periods on physiological quality of Talisia esculenta (A. St. Hil.) Radlk seeds. Seeds were conditioned in PET transparent bottle, Kraft paper bag, and transparent polyethylene bag; they were stored in chamber (18 °C; 50% RH), in freezer (-21 ± 2 °C; 95% RH), and under laboratory natural environment (28 ± 5 °C; 65% RH). They were evaluated at the 0, 25th, 50th, 75th, and 100th storage day for moisture content, thousand seed weight, emergence percentage, emergence rate index, length, and dry mass of shoot and root. T. esculenta seeds should be stored in chamber or laboratory natural environment, packed in polythene bag up to 25 days. The Kraft paper bag and the PET bottle cannot be used for storing T. esculenta seeds. Freezer is not recommended for storing T. esculenta seeds because it makes them unviable.
Highlights
The continuous availability of viable seeds is essential to forest programs, such as reforestation and recovery of degraded areas, breeding programs in germplasm conservation for long periods, especially for endangered species, and research on technology and seed physiology (CARVALHO et al, 2008; FLORIANO, 2014)
This paper aimed to evaluate the effect of packaging, environments, and storage periods on physiological quality of Talisia esculenta
Considering the importance of this species and the lack of knowledge about its seed conservation, this study aimed to evaluate the effect of packaging, environment, and storage time on the physiological quality of Talisia esculenta
Summary
The continuous availability of viable seeds is essential to forest programs, such as reforestation and recovery of degraded areas, breeding programs in germplasm conservation for long periods, especially for endangered species, and research on technology and seed physiology (CARVALHO et al, 2008; FLORIANO, 2014). The recalcitrant seeds are dispersed with high moisture content because they did not were subjected to intense desiccation, remaining viable for short time (VIDOR, 2011); they show variable behavior during storage, depending on the species, environment, ripeness grade, initial physiological quality, and other factors. Hil.) Radlk (Sapindaceae) belongs to species with recalcitrant seeds; and it is known as pitombeira, pitomba-da-mata, pitomba-demacaco This tree is native in Brazil, cultivated in home gardens, showing natural habitat in the upland forest of the western part of the Amazon region and in the Atlantic Forest, from Northeast to Southeast Brazil, until the Rio de Janeiro State (LORENZI et al, 2006). Economical, and medical potential and is suitable for planting and restoring riparian forests, in natura fruit consumption, and for manufacturing derivatives rich in vitamins (VIEIRA; GUSMÃO, 2006)
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