How to deal with abnormal fruit drop before citrus harvest

Citrus blossoms and fruit, ripe, can be picked, many citrus growers have found that how the citrus fruit began to fall, such damage is relatively great. What is the reason for this? the reason should be on the tree itself. Let's learn about the details and learn how to prevent and improve this situation.

First, reasons

If the tree is not nutritious enough before picking, the nutrition provided to the fruit is very little, and it is easy to drop fruit; it is easy to drop fruit before harvest in years and areas with high or continuous high temperature. After the fruit is ripe, the pedicel is easy to separate, and in case of heavy rain, it is easy to be knocked down, or the fruit absorbs too much water and the fruit falls; if the light is poor, it affects the production of nutrients, and it is also easy to be malnourished and fruit drop; in the later stage, if it is dry and dehydrated, there will be a large area of fruit drop. Diseases and insect pests cause fruit drop.

II. Prevention

1. Nutrition

Fertilizer should be fully applied in every growth period, and fertilizer should be applied continuously in the fruiting period until after the fruit is collected. no, no, no. Prune the crown structure at any time to ensure good light transmittance, meet photosynthesis, and ensure nutrition as much as possible, including trace elements in the soil.

two。 Pruning

Pruning excess branches, some dead branches, interspersed with inner branches, drooping branches, and 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

If you encounter high temperature, you can spray water on the tree to lower the temperature in the morning and evening, and you can also pick the fruit in advance. Pay attention to the impact of the weather, before the heavy rain can open a good ditch drainage, to avoid stagnant water, to facilitate Rain Water timely discharge, drainage unobstructed. If it is dry, water the orchard every afternoon to evening and keep it moisturized until it begins to rain and the weather moderates.

two。 Diseases and insect pests

The common disease is anthrax. Anthrax tends to enlarge a spot gradually and rot in the rain. often half of the fruit will fall after decay, and it is more likely to fall if the spot carries the leaf stalk. Some worms eat the fruit, than if the fruit flies eat, the appearance is intact, the inside is bad, they will fall. It needs to be prevented in advance and prevented in time after occurrence.

Citrus seems to be about to ripen, but there will be fruit drop, the reason for this phenomenon is complex, for a variety of reasons, there are still some prevention and improvement methods. But it may not be completely effective.