What about the fruit drop before citrus harvest?
Citrus blossoms and bears fruit, when it is about to ripen, it is the time for fruit growers to harvest hard for a year, but many growers find that their fruits begin to fall constantly, which is a great loss to farmers. So what is the cause of citrus fruit drop before harvest? Let's get to know it.
First, reasons
Citrus fruit drop before harvest may be due to insufficient tree nutrition, providing less nutrition to the fruit, so it is easy to appear fruit drop phenomenon; second, in the continuous high temperature or high temperature climate, pre-harvest fruit drop phenomenon will also occur in some areas. In addition, after the fruit is ripe, the pedicel is also very easy to separate. In the later stage, when it rains heavily, it will be knocked down by Rain Water, or the fruit will absorb too much water and drop the fruit. If the light is too poor, it will also affect the synthesis of nutrients, but also prone to malnutrition and fruit drop, later drought and lack of water, there will be a large area of fruit drop, and fruit drop will also occur when diseases and insect pests are serious.
II. Prevention
1. Fertilization
Manure should be fully fertilized at every growth stage of citrus. Fertilizer should be applied continuously during the fruiting period until after fruit harvest to ensure that the fruit has sufficient nutrients for growth and development. At the same time, we should also pay attention to the supply of trace elements, lest the symptoms of element deficiency lead to fruit drop.
2. Pruning
Pruning the crown structure at any time to ensure good light transmittance, meet photosynthesis, trim off the excess branches, some withered branches, interspersed with internal branches, drooping branches, disturbing crown branches, must be trimmed off. This can save a large part of nutrition. It should be pruned at any time during the growth period, and the nutrition can be saved up to supply the fruit.
III. Improvement
1. Weather
When you encounter hot weather, you can spray water in the orchard in the morning and evening to cool down, or you can pick in advance, pay attention to the changes in the weather, and timely open ditches to drain before the rain, so as to avoid stagnant water and facilitate the discharge of Rain Water. In case of drought, water should be watered in the afternoon or evening to keep the soil moist until it begins to rain and the weather moderates.
2. Pest control
The common disease is anthrax, when the fruit appears a disease spot, and gradually expand, rotten in the rain, often half of the fruit will fall after decay, if the disease spot carries leaf stalks, it is more likely to fall. Some insects eat the fruit, than if the fruit flies eat, the appearance is intact, the inside is bad, they will fall, need to be prevented in advance, timely prevention and control after the occurrence.
The above is the introduction of how to drop fruit before citrus harvest. I hope it can help you. If you want to know more about it, please follow us.
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