Cucumber harvesting should take into account the characteristics of the variety, growth season, post-harvest use, the length of transport time and the mode of transport, the length of storage time and storage methods, sales time and sales methods. Therefore, the following problems should be paid attention to when harvesting cucumbers:
1, control the water before mining. The cucumbers that need to be transported and stored long distances and stop watering 2-3 days before harvesting can effectively enhance their resistance to hiding, reduce decay, and extend the postharvest preservation period of cucumbers.
2, safety interval. In the production of cucumbers, some pesticides that are allowed to be used in nuisance-free vegetables are used. For the sake of consumer safety, they can only be harvested when they reach the safety interval of pesticides.
3, timely harvest. Harvesting should be timely, and the harvested product should be harvested at a low rate, the product should not reach the standard, and the flavor, quality and color should not be good. Too late harvesting will not only affect the production, but also impede the storage and transportation of the product. The cucumbers that are generally sold in the field can be harvested at an appropriate late date. For long-term storage and long-distance transportation, the cucumbers must be harvested as early as possible; the cucumbers harvested in winter can be harvested at an appropriate late date; the cucumbers harvested in summer should be harvested as early as possible; The cucumbers circulated in the chain can be properly harvested at a late date. Cucumbers circulated at room temperature should be properly harvested early; the winter and spring prices that are more expensive can be harvested earlier.
4, to prevent damage. When cucumbers are harvested, they should be handled gently to prevent mechanical damage. In particular, cucumbers are vulnerable to mechanical damage. Mechanical damage is the enemy of post-harvest storage and circulation preservation. Mechanical damage can not only increase the respiratory metabolism of vegetables, reduce resistance, and degrade quality, but also cause microbial infestation and rot.
5. Avoid rain and dew. Do not harvest after the rain and dew, otherwise it is difficult for cucumbers to keep fresh and can easily cause rot.
6, low temperature harvest. As far as possible, harvesting in the morning with the lowest temperature in the day can reduce the field heat carried by the cucumber and reduce the respiration of the vegetable body, which is beneficial to the post-harvest quality maintenance. Avoid harvesting at high temperatures and exposures.
7, harvest method. Hold the melon in one hand, gently cut the handle with scissors, leave the stem to about 1 cm long, and wipe the dirt off the peel.
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