Loss of viability and vigour in the course of short-term storage of Pityrocarpa moniliformis seeds cannot be attributed to reserve degradation

Felix, Francival Cardoso; Oliveira, Danilo Flademir Alves de; Ferrari, Cibele dos Santos; Voigt, Eduardo Luiz; Pacheco, Mauro Vasconcelos

doi:10.1007/s11056-020-09792-4

Cited by 1 publication

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“…The linear decline in this polysaccharide content was verified over the storage period (Figure 4C). However, diverging from this result it was found that the starch content in the seeds of Moringa oliifera (Oliveira et al , 2017) and Pityrocarpa moniliformis (Felix et al, 2020) had no significant changes throughout the storage periods. Considering that "mofumbo" seeds have their metabolism active, it certainly provided greater amylase activity.…”

Section: Resultscontrasting

confidence: 63%

“…As a result, there are losses in the capacity to use carbohydrates, affecting the mobilization of reserve tissues for the embryonic axis, with a vigor decline (Marcos-Filho, 2015). In research by Felix et al (2020) with Pityrocarpa moniliformis seeds, the authors found that the quality loss of seeds stored in a growth chamber for 360 days may be related to the accumulation of reducing sugars.…”

Section: Resultsmentioning

confidence: 99%

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Physiological and biochemical responses of “mofumbo” seeds during storage

et al. 2021

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“Mofumbo” (Combretum leprosum Mart. (Combretaceae) is a neotropical species of wood, pharmacological, beekeeping and environmental importance. Thus, the objective was to evaluate the biochemical and physiological responses in C. leprosum seeds under different storage environments. The experiment was carried out in a factorial (2 x 7), with two storage conditions (natural and climate-controlled environments) and seven storage periods (0; 60; 120; 180; 240; 300 and 360 days), in four replications per treatment. At the beginning of storage and at 60-day intervals, the seeds were analyzed for water content, physiological potential (germination, germination speed index, root and shoot lengths and seedling dry mass) and biochemical (neutral lipids, lipid peroxidation, total and reducing sugars, total free amino acids, and starch). The results indicated that storing “mofumbo” seeds for 360 days reduced viability, being more pronounced after 180 days, regardless of the storage environment. “Mofumbo” seeds were stored in a natural environment for 180 days, resulting in less lipid degradation. After this period, the reduction was associated with the attack of reducing sugars on amino acids. Thus, it is concluded that “mofumbo” seeds must be stored in a natural environment for up to 180 days.

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Section: Resultscontrasting

confidence: 63%

Section: Resultsmentioning

confidence: 99%