Processing dates and fresh dates, requirements of jujube fruit without injury, no crack, no wilting, no insects, no disease, should hand picking, in order to reduce the fruit mechanical damage.
When the jujube is used for making Dried Fruits, the harvesting method can be used to knock large branches with wooden poles, or shake the trunk to shake off the jujube fruit, and spread cloth or plastic cloth under the tree to facilitate picking. The ethephon reminds fall harvesting only for dried jujubes. Ethephon is a plant growth regulator that is absorbed by plants and decomposes in the body to produce ethylene, which promotes detachment of fruit stems and makes them easy to fall off. This method is simple and easy to use, saves labor, does not harm the tree, and enhances fruit quality. The effect of ethephon on falling dates is related to spraying period, concentration, and environmental conditions. The closer the spraying period is to the ripening period, the better the effect of the precipitation. If the spraying concentration is too low, the expected effect cannot be achieved. If the concentration is too high, serious defoliation may occur. Specific practices: 5 to 7 days before the normal harvest of jujube fruit, the whole tree spray 200 ~ 300ppm of ethephon, 2 days after the spray began to take effect, the first 4 to 5 days into the fruit drop peak, as long as the shaking branches, that can ripen All mature dates.
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