Cold winter makes pomelo trees prone to leaf loss, leading to rapid plant death if housewives do not apply the following proper care methods:
Keeping the root area moist and stable in temperature
On dry sunny days, the soil loses water very quickly, causing the roots of grapefruit trees to dry out. Conversely, when the weather suddenly turns cold, the tree is prone to "coldness".
The most effective solution at this time is to cover the base. Use straw, dry grass, corn stalks or shredded plants to cover a thick layer around the base.
This coating acts as a natural insulation layer, both helping to retain moisture when it's hot and keeping the root system warm when the temperature drops.
Thanks to that, ornamental pomelo trees easily avoid heat shock due to temperature differences between day and night.
Fertilizer adjustment
Nutrition needs to be adjusted flexibly according to the weather. When the weather warms up, housewives should not apply too much nitrogen fertilizer. Excessive nitrogen combined with high temperature will stimulate the plant to sprout young buds. This bud layer is quite weak, if the weather is cold, it will cause the plant to weaken and die easily.
Instead, it is necessary to prioritize fertilizing with decayed organic fertilizer and supplementing with potassium and phosphate fertilizer to help the branches become stronger, the leaves thicker and enhance resistance to harsh conditions.
Pruning branches to create ventilation
Interspersed warm weather is an ideal condition for fungal diseases to develop in dense foliage. Therefore, pruning branches will help remove small branches inside the foliage, dry branches, diseased branches and overgrown branches.
This method helps sunlight to shine through the inner canopy, significantly reducing moisture, and limiting mold. At the same time, pruning regularly helps ornamental plants also focus nutrients to nourish healthy and long-lasting branches.
Pest and disease prevention
Because this winter is erratically hot and cold, pests and diseases will be more active than in previous years.
Objects to pay special attention to are red spiders, waxworms and gom disease. It is necessary to check the garden regularly, flip the bottom of the leaves to observe.
If high pest density is detected, strong pressure water hoses can be used to spray and wash away or use safe biological preparations.
For stem fungus, it is necessary to detect cracks and sap flow early to treat them with copper or lime base medicine, preventing fungi from penetrating deep into the wooden vessels.
