Soybean phospholipid oil Jiangsu Chenwei Biology and Technology Co. LTD , https://www.cwsoybean.com
Winter Safety Management Measures for Fruit Trees
In winter, when fruit trees enter dormancy, their growth slows down or stops completely. Proper winter management is crucial for the health and productivity of orchards. Here are five key tasks to focus on during this season:
First, cleaning up the orchard is essential. After harvest, dead branches, fallen leaves, rotten fruits, and weeds left under the trees can become breeding grounds for pests and diseases. It's important to remove these materials before winter sets in, either by burning them or composting them at high temperatures. This helps reduce the risk of pest infestations in the coming year.
Second, tilling the soil around the trees is a great way to control overwintering pests. Before the ground freezes, loosen the top 10–14 inches of soil. This exposes pests to freezing temperatures or birds, while also disrupting those that are on the surface. Tilling improves soil structure and helps eliminate pests and pathogens that may be hiding in the soil.
Third, pruning plays a vital role in shaping the tree’s structure and ensuring long-term productivity. Winter is the best time to prune deciduous fruit trees, ideally between late December and January. Young trees should be lightly pruned, while older or weaker trees require more careful trimming. The goal is to balance growth and fruit production for the next season.
Fourth, disease prevention is critical. Orchards often face recurring issues with pests and diseases. A preventive approach using appropriate sprays can help protect the trees. One effective mixture is 3 parts ferrous sulfate, 3 parts quicklime, and 100 parts water. Apply it evenly, but avoid spraying on rainy or windy days, or when there is dew or high heat, as this can cause damage or reduce effectiveness. Best times to spray are early morning or late afternoon.
Fifth, protecting trees from cold is essential. Trunk protection, such as wrapping or whitewashing, can prevent frost cracks. A common whitewash recipe includes 10–12 parts quicklime, 2 parts clay, 36–40 parts water, 2 parts lime sulfur concentrate, and 1 part salt. Mix well and apply to the trunk and main branches. Evergreen trees can benefit from foliar applications of urea or potassium dihydrogen phosphate to boost their cold resistance. In dry winters, irrigation between mid-December and early January can also help maintain moisture levels.
By following these steps, orchard owners can ensure their trees remain healthy and productive throughout the growing season. Winter is not just a time of rest—it's an opportunity to prepare for the future.