Abstract
Plathymenia reticulate Benth belongs to the family Fabaceae. It has its own hardwood for luxury furniture, and it is also used in construction. The coating consists in applying thin and uniform layers of inert adhesive mechanism in order to increase the seed size, altering his shape, texture and color, in addition to enabling common use of nutrients, fungicides, insecticides and microorganisms beneficial. The goal of this study was to evaluate the physical and physiological seed’s quality of mahogany coated with different doses of fertilizer. The treatments were: T1: sand + lime; T2: sand + lime + 25 g of fertilizer; T3: sand + lime + 50 g of fertilizer; T4: sand + lime + 75 g of fertilizer; T5: sand + lime + 100 g of fertilizer, and control with uncoated seeds. Later, the seeds were evaluated in laboratory and greenhouse. The coating increased up to 91% weight of one thousand seeds without the treatment coated fertilizer. The presence of nutrient seed coating decreases his germination. The doses of fertilizer used were harmful to germination, IVG, emergency and IVE, but did not affect seedlings development.
Highlights
Plathymenia reticulata Benth belongs to the family Fabaceae, subfamily Mimosoideae, and it is commonly known, in Portuguese, as vinhático and vinhático-da-mata
The results of the weight of 1000 seeds, coated and uncoated, showed that the coating used in all treatments significantly increased the weight of the seeds, a mass gain of more than 91%, as it is with the coating treatment without fertilizer, which weighed 20.9 g while the control weighed only 10.9 g (Table 1)
The statistical analysis of the data related to weight of seeds (WTS) makes it possible to observe that there was no significant difference between the treatment without fertilizer and the treatment with 100 g of fertilizer in the coating, due to the fact that both the sand and the large amount of fertilizer in the treatment with 100 g of fertilizer in its composition, stuck homogenously to the coating of the seeds of vinhatico, giving them an increased weight of 1000 seeds and a greater value in the coating (Table 1)
Summary
Plathymenia reticulata Benth belongs to the family Fabaceae, subfamily Mimosoideae, and it is commonly known, in Portuguese, as vinhático and vinhático-da-mata. It is a heliophytic and selective xerophytic species which presents an irregular and discontinuous seed dispersal within its distribution area. From this species it is produced hardwood suitable for making luxury furniture, sliced ve-. This hardwood is used in construction for internal finishes, frames, window blinds, linings, doors and to make wine barrels [1]. That would justify the studies on seeds of this species, taking into account the physical and physiological aspects of such seeds, since the species is propagated by them
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