Hot Water Immersion Treatment of Nam Dorkmai Mango Infested with Oriental Fruit Fly, Bactrocera dorsalis (Hendel), for Export
DOI:
https://doi.org/10.14456/thaidoa-agres.2024.9Keywords:
Hot water immersion treatment, Mango, Bactrocera dorsalisAbstract
Hot water immersion treatment is a post-harvest treatment for fruit fly disinfestation and widely used as quarantine treatment in many countries. This technique has not been previously employed in Thai mango exports. The objectives of this research were to examine optimum temperature and exposure period of hot water immersion treatment to eliminate fruit fly, Bactrocera dorsalis, eggs and 1st instar larvae in mango variety Nam Dorkmai without affecting fruit quality. Procedures for hot water immersion treatments in small and large scale were arranged. Nam Dorkmai mangoes used for testing were infested with B. dorsalis, eggs or 1st instar larvae using artificial infestation and forced infestation methods. The results showed that hot water immersion treatment at the innermost of fruits at 46° C for 10 minutes was effective for elimination of both eggs and 1st instar larvae of B. dorsalis without impacting on fruit quality. This information can be applied to quarantine process of B. dorsalis infestation in exported Nam Dorkmai mangoes of Thailand.
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