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There are six bogey in apple summer tube
June is a critical period for apple tree management during the summer season. The primary goal is to balance vegetative growth with reproductive development, encourage flower bud formation, and lay a solid foundation for better flowering and fruiting in the following year. However, there are several common mistakes that growers should avoid during this time.
First, over-thinning can be a big mistake. If you remove too many branches, it may stimulate the growth of long and medium shoots, leading to excessive regrowth. Additionally, sparse foliage weakens the tree’s photosynthesis ability, which hinders nutrient accumulation and ultimately affects flower bud formation. The thinning should be based on the projected canopy area, and after thinning, the leaf-to-branch ratio should generally be maintained around 30%.
Second, improper branch spreading is another pitfall. Pulling large branches too aggressively can weaken the tree, while not opening the angles enough may fail to reduce vigor and promote short branches. Instead, use techniques like twisting, bending, or supporting to open up the base and waist angles, keep branches level, and prevent issues like "bowbacks" or elongated strips.
Third, blindly twisting the tips of new shoots can cause problems. Twisting the back of a new shoot not only blocks light but also encourages excessive growth. For upright shoots that have more than 25 cm of space, twist the tip at the semi-lignified part (about 5 cm from the base) and remove the rest to control growth effectively.
Fourth, blind short pruning or heavy topping should be avoided. These practices can lead to excessive branching, poor air circulation, and reduced fruiting. Instead, consider cutting back two-year-old branches at the junction of spring and autumn shoots—this technique, known as "re-picking the heart," can promote the development of short and medium branches along with flower buds.
Fifth, girdling should not be done arbitrarily. It must be tailored to the variety, branch potential, and overall tree health. The girdling width should typically be about 1/10 of the trunk diameter. After girdling, protect the wound with bandaging to ensure proper healing within 25 to 30 days.
Lastly, don’t neglect pest and disease prevention after bagging. Once the fruit is bagged, it's still important to manage pests like leafrollers, aphids, and mites. Use low-residue, environmentally friendly pesticides for early prevention. Be sure to follow the recommended intervals between treatments and rotate pesticide types to avoid resistance.
By avoiding these common pitfalls and focusing on balanced management, apple growers can significantly improve tree health, fruit quality, and long-term productivity.