Germination and ultrastructural studies of seeds produced by a fast-growing, drought-resistant tree: implications for its domestication and seed storage

AoB Plants
Helene Fotouo-MPetrus J Robbertse

Abstract

Seed ageing during storage is one of the main causes of reduction in seed quality and this results in loss of vigour and failure to thrive. Finding appropriate storage conditions to ameliorate deterioration due to ageing is, therefore, essential. Ultrastructural changes in cellular organelles during storage and seed germination rates are valuable indices of damage that occurs during seed ageing. There is increasing interest in Moringa oleifera Lam. because of its multiple uses as an agroforestry crop. Seeds of this species lose their viability within 6-12 months of harvest but no scientific information is available on the longevity of seed stored in the fruit (capsules). In most undeveloped countries, seeds are still stored inside the fruit by traditional methods in special handmade structures. In this experiment we tried to simulate these traditional storage conditions. Capsules of Moringa were stored at ambient room temperature for 12, 24 and 36 months. The ultrastructure, solute leakage and viability of seed were investigated. The ultrastructure of 1-year-old seed showed no sign of deterioration. It was evident, however, that some cells of the 3-year-old seed had deteriorated. The remnants of the outer and inner two integume...Continue Reading

References

Oct 1, 1985·International Journal of Radiation Oncology, Biology, Physics·B D Willan, D G McGowan
Oct 16, 2003·Journal of Agricultural and Food Chemistry·Farooq Anwar, M I Bhanger
Sep 2, 2005·Planta·Christina WaltersChristophe Bailly
May 3, 2013·PloS One·Zhi-Yong HuHan-Zhong Wang

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Citations

Aug 2, 2019·Plants·Ofelia Andrea Valdés-Rodríguez, Arturo Pérez-Vázquez
Nov 5, 2019·Frontiers in Plant Science·Gareth PorteousDaniel Ballesteros
Jun 22, 2021·Critical Reviews in Biotechnology·Christian K O DzuvorFrancis Kubi

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