What to Do About Severe Fruit Drop in Gonggan? The Latest Solutions
Gonggan is a hybrid variety of orange and mandarin, combining the double advantages of orange and mandarin, and bringing together the orange's appearance with the mandarin's fine, tender flesh and easy-peeling advantages. It is difficult for other citrus varieties to compare with it, and it has been hailed as the king of citrus. However, during Gonggan cultivation, a large amount of fruit drop occurs, causing a significant reduction in yield. So what should be done about Gonggan fruit drop? Let's take a look.
1. Climate
Climate is the main cause of Gonggan fruit drop. Summer is originally a rainy and humid period, but if it remains in a high-temperature and drought condition for a long time, this will cause the surface temperature to rise, thereby affecting the root system's absorption capacity and the plant's normal metabolism, worsening the fruit drop.
Solution: During high-temperature and drought periods, water and irrigate in time to supply the plant's water needs. At the same time, spray water mist to lower the temperature, protect the leaves and fruit, and reduce fruit drop.
2. Excessive Girdling
When managing the trees, many fruit growers often carry out girdling to protect the fruit, and some even carry out a second girdling. The second girdling is mainly to prevent summer buds from sprouting. However, girdling again during drought will lead to poor nutrient absorption by the plant, and fruit drop will become more severe.
Solution: Generally speaking, when carrying out fruit-protection measures, except during periods with abundant rain, a second girdling is generally not needed in order to prevent summer buds from sprouting. Also, when girdling, be careful not to cut too deeply, so as to avoid weakening the tree, which can also lead to severe fruit drop.
3. Excessive Summer Shoots
Every summer is the period when summer shoots sprout. The sprouting of summer shoots consumes a large amount of nutrients from the plant. If shoot removal is not carried out at this time, the fruit will drop due to lack of nutrients. When the plant shows its first physiological fruit drop, many fruit growers apply too much fertilizer or spray too much foliar fertilizer, which causes the summer shoots to grow more vigorously and the fruit drop to become more severe.
Solution: During the physiological fruit drop period, shoot control must be done well to reduce the plant's nutrient consumption. At the same time, spray foliar fertilizer to reduce fruit drop.
The above is an introduction to what to do about severe fruit drop in Gonggan. I hope it can help you. If you want to learn more related knowledge, please stay tuned to us.