When planting loquat trees, pruning branches and spraying pesticides can be used to prevent diseases and pests. Pruning branches is a relatively simple and efficient way, which has been widely used in fruit tree planting. Cut off the diseased plants with pests, conduct centralized treatment, and finally spray some Bordeaux solution. Spraying pesticide is also a highly efficient means, but it is likely that pesticide residues will affect the normal growth of plants. Generally, such measures are not recommended to prevent insects. 1、 How to prevent insects in loquat 1. Pruning branches and leaves: pruning branches and leaves is a common way to eliminate diseases and pests. This way also has obvious sterilization and disinfection effect, which can prevent diseases and pests to a great extent. After pruning the diseased plants of loquat trees, concentrate them or bury them deeply, and then spray Bordeaux solution on the pruned incision. In addition, in order to prevent gray spot disease, we can do a good job in clearing the garden in winter and let the canopy be transparent and ventilated.
2. Spraying pesticides: during the growth of loquat trees, there may be pests such as yellow caterpillar and longicorn beetle. Their larvae devour buds and young leaves, which is extremely unfavorable to the growth of branches and young buds. In case of such pests, use a steel wire brush to collect and burn. After shoot sprouting, spraying 90% trichlorfon 1000 times solution at the peak of the first instar larvae can effectively control it. Or replace it with 3000 times of 20% promethazine emulsion. 2、 How to plant loquat tree 1. Loquat tree is a subtropical crop. They have a high demand for light and heat. If these two conditions are not met, it will affect their normal growth and development, the growth of branches and leaves will be overgrown, and it is easy to produce diseases and insect pests.
2. Loquat trees are highly inclusive of soil. It is best to plant them in deep and fertile soil with strong drainage and fertilizer retention ability. （PiPaZenMeFangChong）