What to Do If Your Cherry Tree Won't Bear Fruit? Try These Solutions
There are many reasons for failure to bear fruit, specifically the following:
1. The climate may be unsuitable.
2. Improper cultivation and management, leading to excessively vigorous tree growth, with no flower buds formed, will also result in no fruit.
3. Severe pests and diseases or poor fertilizer and water conditions, insufficient stored nutrients in the tree, leading to poor flower bud development and severe flower and fruit drop during the flowering period; or due to continuous rainy weather or sudden low temperatures during the flowering period, resulting in poor pollination and fertilization.
The control measures are as follows:
1. Check whether the local area is suitable for planting cherries. Cherries are divided into Chinese cherry and sweet cherry (European sweet cherry). Chinese cherry has wide adaptability, while sweet cherry has relatively narrow adaptability and stricter requirements for climatic conditions, requiring sufficient sunlight, low rainfall, large temperature differences between day and night, and sufficient winter chilling, otherwise flowering is difficult, or flower bud differentiation and development is poor.
2. Reasonable summer pruning. Young cherry trees are often not easy to form flowers, so reasonable summer pruning must be adopted, such as in late May to early June, pinching the tips of upward-growing branches or cutting the tips leaving 30 cm, and in July-August carrying out branch bending, pulling scaffold branches to about 80 degrees, and pulling auxiliary branches and fruiting branches to more than 90 degrees, to control vegetative growth, promote flower bud differentiation and the formation of flower cluster short fruit branches, and bear fruit earlier.
3. Adopt flower-promoting measures. For cherry trees that do not bear fruit, repeated pinching can be carried out, and in June-August foliar spraying of plant growth inhibitors such as paclobutrazol can effectively control growth vigor, promote the plant's transition from vegetative growth to reproductive growth, thereby promoting flower bud differentiation and achieving the goal of bearing fruit. In addition, properly keeping the soil dry in July-August is also beneficial to flower bud formation.
4. Protect flowers and fruits during the flowering period. Spray 0.3%-0.5% borax solution at full bloom, or 0.3% urea + 0.3% borax + 0.3% monopotassium phosphate 1-2 times; or carry out artificial pollination once each at early bloom and full bloom; or in areas prone to low temperatures during the flowering period in early spring, irrigate before flowering, which can delay the flowering period by 3-5 days and avoid low-temperature weather; or spray water during the flowering period, which can also reduce the impact of low temperatures on flowering and fruit setting.
5. Strengthen pest and disease control and fertilizer and water management.