Abstract:Summary
Seeds can deteriorate rapidly under high heat and humidity, making it challenging and potentially costly to store orthodox seeds effectively in the tropics, thereby affecting agriculture development. This work explores the effectiveness of novel, low-cost technologies for storing seeds in warm, humid, resource-constrained environments, focusing on maintaining the viability of seeds already dry prior to storage. Seeds of okra (Abelmoschus esculentus (L.) Moench), sorghum (Sorghum bicolor (L.) Moench)… Show more
“…Conservation of seeds is the primary method of choice when attempting to preserve the gene pool of a plant species [ 20 , 30 , 33 , 34 , 35 , 36 ]; therefore, deterioration of seeds during storage has profound influences on agriculture and conservation efforts [ 37 ]. Seed aging processes resulting in viability decline and final decrease of plantlet amount are dependent on storage conditions, which are the temperature and RH that determine seed MC.…”
Ageing and deterioration of seeds is a major problem for the maintenance of seed quality and viability during long-term storage. Prediction of early stages of seed deterioration in order to point out the plantlets’ regeneration time is a major challenge of successful storage. In preserved seeds, damages accumulate within cells at the rate mainly related to their moisture content and temperature of storage. Current research reveals global alterations in DNA methylation in lipid-rich intermediate seeds during desiccation and storage at various regimes covering nonoptimal and optimal conditions. We show for the first time that monitoring of 5-methylcytosine (m5C) level in seeds can be used as a truly universal viability marker regardless of postharvest category of seeds and their composition. For seeds stored up to three years, in varied conditions, moisture content, temperature, and time of storage had significant influence on seedling emergence and DNA methylation (p < 0.05). Similarities among lipid-rich intermediate and orthodox seeds regarding different reactions of embryonic axes and cotyledons to desiccation are newly revealed. Along with previous studies on seeds dramatically different in desiccation tolerance (recalcitrant vs. orthodox), results regarding lipid-rich seeds positioned in-between (intermediate) prove that maintaining global DNA methylation status is crucial for maintaining seed viability.
“…Conservation of seeds is the primary method of choice when attempting to preserve the gene pool of a plant species [ 20 , 30 , 33 , 34 , 35 , 36 ]; therefore, deterioration of seeds during storage has profound influences on agriculture and conservation efforts [ 37 ]. Seed aging processes resulting in viability decline and final decrease of plantlet amount are dependent on storage conditions, which are the temperature and RH that determine seed MC.…”
Ageing and deterioration of seeds is a major problem for the maintenance of seed quality and viability during long-term storage. Prediction of early stages of seed deterioration in order to point out the plantlets’ regeneration time is a major challenge of successful storage. In preserved seeds, damages accumulate within cells at the rate mainly related to their moisture content and temperature of storage. Current research reveals global alterations in DNA methylation in lipid-rich intermediate seeds during desiccation and storage at various regimes covering nonoptimal and optimal conditions. We show for the first time that monitoring of 5-methylcytosine (m5C) level in seeds can be used as a truly universal viability marker regardless of postharvest category of seeds and their composition. For seeds stored up to three years, in varied conditions, moisture content, temperature, and time of storage had significant influence on seedling emergence and DNA methylation (p < 0.05). Similarities among lipid-rich intermediate and orthodox seeds regarding different reactions of embryonic axes and cotyledons to desiccation are newly revealed. Along with previous studies on seeds dramatically different in desiccation tolerance (recalcitrant vs. orthodox), results regarding lipid-rich seeds positioned in-between (intermediate) prove that maintaining global DNA methylation status is crucial for maintaining seed viability.
“…Innovative drying techniques, such as low-energy methods, are necessary for reducing seed moisture to levels suitable for long-term storage. Trail et al (2021) found that storing seeds in dry, cool, and low-oxygen conditions slows seed metabolism, prolonging storage life. The significance of low-cost technologies for drying seeds is highlighted, particularly in tropical environments where high humidity and heat pose significant challenges to seed storage.…”
Section: Low-energy Drying Methodsmentioning
confidence: 99%
“…These methods help maintain seed quality by creating an environment that minimizes oxygen and moisture levels. The use of desiccants and vacuum sealing has also been proposed to maintain seed quality in climate-controlled seed banks (Trail et al, 2021).…”
Section: Vacuum-sealing and Controlled Atmosphere Storagementioning
Seed storage innovation assumes an essential part in guaranteeing worldwide food security by safeguarding genetic variety and preserving seed feasibility over time. This review article gives a complete outline of ongoing patterns and advances in supportable seed stockpiling strategies. Starting with an investigation of the significance of seed storage about food security challenges, the audit digs into conventional seed storing strategies and their obstacles. Additionally review also provides a comprehensive analysis of maintainable methodologies like controlled air capacity, cryopreservation, and seed preparing, featuring their adequacy in dragging out seed suitability while diminishing energy utilization and natural effect. Moreover, the review discusses the incorporation of digital technologies, for example, artificial intelligence and blockchain, in seed storage management to enhance the traceability and convenience of seed collections. Additionally, the role of community-based seed banks and participatory plant breeding in promoting seed resilience against climate change is explored. By discussing current research findings and practical applications, this review aims to inform policymakers, researchers, and practitioners about the diverse range of sustainable seed storage solutions available to safeguard global agricultural biodiversity and ensure food security in the face of evolving ecological challenges.
“…At the time of storage, humidity, temperature, and the proportion of oxygen are the main environmental factors that influence seed deterioration [9]. Storing seeds longer than 1 year becomes a challenge even where seeds are saved, stored, and planted on short annual cycles [10].…”
Bambara Groundnut seeds produced in this season often stored for some period of time until the next planting season. Storage period is one of the factors determine the quality of seeds while seeds was stored. This research conducted to determine the effect of storage period on seed germination. Seed viability and seed vigour were observed in 6 promising lines of Bambara Groundnut on 2 different storage period. Experiments was conducted in Agronomy Department, Faculty of Agriculture, Brawijaya University, Malang Indonesia, from May to June 2022. Six promising lines of Bambara groundnut produced from different seasons were stored in cold storage for one year and two years. Each promising line that was stored on respective years was tested with between paper method (BP) according to ISTA. Data collected from the observation of germination, viability characters, vigour characters. Experiments arranged in completely randomized design with combinations of 2 storage period; 1 year, 2 years and 6 promising lines of Bambara Groundnut; CCC 1.6, PWBG 6, PWBG 5.2.1, SS 2.4.2, BBL 1.1, TVSU 86. Results showed that Storage period affect seed viability and vigour. Longer period of storage decreasing some germination characteristics. Seeds stored after 2 years have lower vigour index, final germination percentage and dry weight of shoot and root. Lowest final germination percentage in 2 years storage recorded in PWBG 5.2.1 (70%). Seeds stored on 1 year storage period have higher vigour index (30%-60%), higher germination rate and higher dry weight of shoot and root.
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