Detailed Explanation of the Causes of Water Core in Watermelon and the Prevention and Control Methods

Causes of water core in watermelon:

1. It is related to the variety; some varieties are prone to water core. For example, varieties with firm flesh are prone to water core;

2. It is related to management; excessively high temperatures in the later stage;

3. It is related to water management; do not water at 60% maturity, flood irrigation also easily causes water core, and alternating dry and wet conditions easily cause water core;

4. Excessive nitrogen fertilizer also easily causes water core.

Prevention and control methods:

1. Choose the variety;

2. Choose the rootstock variety, choose a rootstock variety with a well-developed root system;

3. Water management should be uniform, avoid alternating dry and wet conditions, and do not use flood irrigation at 60% maturity;

4. Apply more potassium fertilizer and less nitrogen fertilizer;

5. Lower the temperature inside the greenhouse in the later stage