1. moisture
As long as the flower soil is kept moist, water it every 3-4 days in spring and autumn, once in the morning and evening in summer and once a week in winter. The best watering time is 8-9 am, which is not suitable for watering at night or in rainy days. When watering, you can wait until the water seeps down before watering.
2. Temperature
Ash trees can tolerate high temperatures of -2 1℃ and 43℃, so it is not necessary to be warm in winter and cool in summer, as long as the water temperature is close to room temperature when watering, otherwise it will easily lead to leaf atrophy.
lamplight
For lacquer tree, it likes light and is also resistant to shade. With sufficient sunlight, the plants grow well and the new branches are strong. When the new leaves are purple, it means that water, fertilizer and light are good and other conditions are insufficient.
fertilize the soil or land
In the process of plant forming, it can be thin and fertile for many seasons. It is suggested to apply fertilizer once every 5-7 days, and apply less fertilizer or stop applying fertilizer after the tree matures.
prune
In order to maintain the tree shape, it is necessary to properly erase the new buds and cut off the long branches that affect the tree shape in spring and autumn. After a short dormancy period in midsummer, they will enter the growing season again at the end of August. At this time, the new buds should also be erased in time.
6. Pests and diseases
The yellowing of plants caused by alkalization of flower soil can be diluted 400 times with ferrous sulfate and then irrigated every 7 days. Insect pests are mainly thrips, which can be killed with 800- 1500 times of diphacinone.
breed
Among the propagation methods of Fraxinus chinensis, cutting has the highest success rate. Select branches with a branch diameter of about 2 cm from the mother plant, cut off about 65,438+00 cm as cuttings, insert them into wet flower soil, keep them in a cool and ventilated place, water them every day, and wait for the roots to sprout.