How to raise pine trees;
Water the roots of Pinus pentaphylla to be moist, and the soil in the basin should be dry, but it should not be short of water for a long time. Therefore, watering should be moderate, not too much, and spraying foliar water often is beneficial to growth.
Fertilization: Five-needle pine bonsai should be fertilized less, and it can grow into an old state under the condition of lack of fertilizer and water control.
Pruning: Pruning of five-needle pine is mainly about picking buds, which can control growth, keep the tree beautiful and promote dense branches and leaves. Generally, 1/2 ~ 1/3 buds can be picked before the new buds stretch into needles in March-April every year. If the terminal buds are too dense, more buds can be picked, and vice versa.
4 Pot turning: Generally, pine bonsai is turned once every 4-5 years, and the time is appropriate in late autumn or early spring. When turning over the basin, 65,438+0/3 of the soil can be removed, and be careful not to sprinkle mud balls. Combined with pot turning, rotten roots can be removed, too long fibrous roots can be cut short, and culture soil can be planted in the upper pot according to technical requirements.
5 Pest control: The main diseases of five needles pine are rust, root rot and sooty blotch, which can be controlled by spraying Bordeaux solution 1 ~ 2 times or 70% chlorothalonil solution 800 ~ 1000 times in winter.
Ornamental: Five-needle pine bonsai is a common ornamental tree species in the family, with beautiful tree posture, lush foliage, short and dense needles and lush seasons, which is suitable for viewing.