The latest causes of mango cracking and its control measures

In mango production, fruit cracking often occurs, generally in the late stage of fruit expansion, originally good fruit growth, because of too fast growth and fruit cracking, seriously affecting the quality, but also some fruits in the young fruit cracking phenomenon. So what is the cause of mango cracking? Let's get to know each other.

1. Rapid change of moisture

In the later stage of fruit growth, if the fruit is watered in high temperature and drought weather, the water content of the fruit accumulates more sugar. If it rains suddenly or watered too much, the water imbalance of the orchard will cause the root system to absorb a large amount of water, resulting in rapid expansion of the fruit. The growth speed of the pericarp cannot keep up with the water absorption speed of the flesh, which will lead to the peel bursting and cracking, forming cracked fruit.

Control methods: pay attention to the uniform supply of water during fruit growth, especially in heavy rain season, to do a good job of drainage measures, in the drought to water in time, but to pay attention to the amount of watering, but also for the crown spray, increase humidity, reduce temperature, promote peel growth, so as not to crack fruit.

2. Improper use of hormones

Changes in plant endogenous hormones will affect the growth speed of pericarp and pulp, and the imbalance between the growth speed of the two will lead to fruit cracking. Many fruit growers often use expansion agents in order to promote fruit expansion. Improper use will also cause fruit cracking. After using expansion agents, cell division is vigorous, and the pulp growth speed exceeds the growth speed of pericarp, causing fruit cracking.

Control measures: pay attention to the application of growth regulators, select suitable varieties, weather, concentration, can not be used blindly, can be sprayed 1-2 times in the expansion period of cracking age, slow fruit growth speed, increase peel toughness, reduce cracking fruit.

3. Nutritional imbalance

Fruit needs to absorb a variety of nutrients in the process of growth, and if the fruit is deficient in calcium, it will cause fruit cracking, and there is resistance and coordination between nutrients. If the absorption of one element will inhibit the absorption of other elements, it will also cause fruit cracking. Many fruit growers apply calcium fertilizer during the fruit expansion period, but fruit cracking still occurs, which is caused by nutritional imbalance caused by resistance between elements. Studies have shown that nitrogen is resistant to calcium and magnesium ions, and excessive nitrogen affects plant absorption of calcium and magnesium ions.

Control measures: pay attention to nutrition balance when fertilizing, prevent resistance between elements from causing nutrition imbalance, increase boron fertilizer in the late stage of fruit, which can promote the absorption of calcium by fruit and reduce fruit cracking.

The above is an introduction to the causes and control measures of mango cracking. I hope it can help you. If you want to know more about it, please pay attention to us.