Abstract
Background: Farmers are forced to store garlic bulbs for a long period due to occasional excess production or to save bulb seeds for next season planting, but the bulbs often lose their viability and vigour due to sprouting ahead of planting time. Objective: The research was conducted to evaluate the effects of three harvest stages (60, 80, and 100% top fall), two curing levels (non-cured and cured bulbs), and three storage methods (floor, shelf, and net bag) on storability of garlic variety ‘Tseday’ at Haramaya University, and Tony farm (Dire Dawa) during 2014-15. Methods: The experiment was laid out in a Randomized Complete Block Design with three replications at both sites. Results: Significant variations in the storability of bulbs were evident due to harvest stages, curing, and storage methods. Harvesting of garlic bulbs at 100% top fall considerably increased bulb yield by about 16.74% and 8.75% compared to 60 and 80% top fall, respectively. Cured bulbs showed lower fresh bulb yield as compared to non-cured bulbs. Harvesting at 80% top fall, curing and storing bulbs on a shelf or in a net bag showed reduced weight and diameter loss of bulbs as compared to the other treatments. Bulbs harvested at 80% top fall and cured had significantly higher dry matter content than the rest. The highest sprouting percentage was recorded for 60% top fall harvested and non-cured bulbs, while the least was observed in 80% top fall harvested and cured bulbs. Conclusion: The result of this study has shown that harvesting at 80% top fall, curing, and storing bulbs on a shelf or in a net bag leads to a good yield and postharvest quality and effective storability of garlic bulbs under ambient storage conditions.
Highlights
Garlic (Allium sativum L.) is harvested when plant tops start to dry and fall, and stems have begun to soften and are partly dried [1, 2]
The result of this study has shown that harvesting at 80% top fall, curing, and storing bulbs on a shelf or in a net bag leads to a good yield and postharvest quality and effective storability of garlic bulbs under ambient storage conditions
Curing is a process intended to dry off the necks, roots, and outer scale leaves of the bulbs [4] and removes excess moisture from the outer layers of the bulb prior to storage
Summary
Garlic (Allium sativum L.) is harvested when plant tops start to dry and fall, and stems (necks) have begun to soften and are partly dried [1, 2]. Curing and Storage Methods on Storability of Garlic Bulbs. The Open Biotechnology Journal, 2021, Volume 15 37 the foliage is dead and the neck gets soft [5]. This gives the maximum opportunity for the growth inhibitors present in the leaves to enter the bulb and prolonged the storability and transporting of bulbs for long-distance. Farmers are forced to store garlic bulbs for a long period due to occasional excess production or to save bulb seeds for season planting, but the bulbs often lose their viability and vigour due to sprouting ahead of planting time
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