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Production Practices and Quality Assessment of Food Crops - Volume 4 Proharvest Treatment and Technology (Paperback, Softcover reprint of the original 1st ed. 2004)
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Production Practices and Quality Assessment of Food Crops - Volume 4 Proharvest Treatment and Technology (Paperback, Softcover reprint of the original 1st ed. 2004)
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We can not talk about commodity production without building up all
the operations after harvest. It is possible to market the products
just after harvest, but it is only possible in small quantities.
Postharvest handling is the ultimate stage in the process of
producing quality fresh fruits and vegetables, getting these unique
packages of water (fresh commodities) to the supper table. Fresh
fruits and vegetables are succeptible to a number of postharvest
disease and disorders and the postharvest operations are
predominately aimed at maintaining harvest quality. Every step in
the handling chain can influence the extent of disease and quality
of the stored product. From planting to consumption, there are many
opportu- ties for bacteria, viruses, and parasites to contaminate
produce or nutrient deficiency level causing physiological
disorders. Most of the storage rots are diseases that have
originated in the field and have carried over onto commodities
after harvest. Physiological disorders also arise from poor
handling between harvest, storage and marketing. Treatments have a
direct effect on inactivating or outright killing germinating
spores, thus minimising rots. Prestorage treatment appears to be a
promising method of postharvest control of decay.
Pre-or-postharvest treatments of commodities are considered as
potentiel alternatives for reducing the incidence of diseases,
disorders, desinfestation of quarantine pests and for preserving
food quality. Postharvest treatments lead to an alteration of gene
expression and fruit ripening can sometimes be either delayed or
disrupted.
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