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First, anti-corrosion
The method of combining chemical, physical and fresh-keeping techniques to control the infective diseases during storage and transportation of citrus and reduce the rate of decay is called antisepsis. The anti-corrosion technology of citrus storage and transportation mainly has the following two aspects:
1. Chemical antiseptic. The following preservatives are mainly used in the following four types:
1 Benzene well imidazole sterilization preservative. Such as methyl thiophanate, carbendazim, benzene, etc.;
2. Tecdo (TBZ). The preservative has been listed as a food additive and can be widely used;
3 Yi Mai frustrated. It is the best preservative at home and abroad and is not yet produced in China;
4 sec-butylamine and its derivatives. Including sec-butylamine stock solution, ketomycin, orange rot, AB preservative, red orange special preservatives.
Second, preservation
Chemical preservatives mainly play a role in preserving the storage and transportation of citrus after harvesting, such as keeping the fruit green, not falling off, delaying fruit aging and dry water. At present, the preservatives commonly used in China's citrus production areas are 2.4-D, GA3 (gibberellin), and anti-depurin. In addition, the waxing or coating of polysaccharide coatings is also a chemical preservative. Most of the preservatives are mixed with preservatives, which can be synergistic and easy to use.
Regardless of which variety and when it is harvested, citrus should be treated immediately after harvesting. This is an indispensable measure for citrus storage and transportation. Antiseptic and fresh-keeping treatments are two different treatment methods. Chemical drugs.
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