How to raise horse chestnut trees?

The seven-leaf tree gets such a name because its leaves are composed of 5 to 7 small leaves to form a large leaf shape, which is of great ornamental value. The requirement of breeding seven-leaf tree is relatively high, let's learn it together.

1. Morphological characteristics of the seven-leaf tree.

The seven-leaf tree can be up to 25 meters high, with grayish brown bark, flaky peeling, stout branchlets, chestnut brown, smooth glabrous, large winter buds and resin. Leaflets 5 to 7, Obovate-long elliptic to long elliptic-oblanceolate, 9 to 17 meters long, base cuneate, leaf margin serrulate, lateral veins 13 to 17 pairs, petiolule 4 mm to 16 mm long, erect dense panicle, subTerete, 20 m to 25 m long, flowers small, petals 4, white, upper 2 petals often with orange or yellow markings. Capsule globose or Obovate, 3 to 4 cm in diameter, yellowish brown after maturity, rough surface, containing 1 to 2 seeds. The flowering period is May and the fruiting period is from September to October.

Second, the ecological habits of the seven-leaf tree.

The seven-leaf tree likes light, but also tolerates semi-shade, fine lines and humid climate, is not resistant to severe cold, and likes rich and deep soil.

III. Matters needing attention in the culture of seven-leaf trees

Sowing: the seven-leaf tree is mainly sown and propagated. The seed of Aesculus chinensis has high water content and poor vigor, so it should be stored at low temperature with picking and sowing or with pericarp mixed with sand until spring sowing in the following year. Pay attention to the navel down when sowing, because the ability of the seedlings to be unearthed is weak, it can be covered with soil for 3 to 4 meters. Sprouting 25-30 days after sowing, shading at the seedling stage, and transplanting leaves in autumn before sprouting in the following spring. After transplanting young trees, do a good job of grass rope winding and proper shading to prevent the phenomenon of burning skin and withered leaves.

Soil: the seven-leaf tree likes light, slightly resistant to shade, likes mild climate, and is suitable for deep, fertile, moist and well-drained soil.

Fertilization: seedlings like moist, like fertilizer. In the later stage, in order to improve the resistance to low temperature and drought of seedlings overwintering, fertilization should be stopped after the middle of September. Adult trees should be ditched and fertilized around the trees after defoliation every winter, and it is best to apply organic fertilizer to facilitate multiple branches and flowering in the following year.

Transplanting: annual seedlings are transplanted in spring and then every other year. From November to December, the main root can be quickly cut off with a shovel at an angle of 45 °from the root 20~30cm, so that it can not only control the water absorption of seedlings, but also promote the Lignification of seedlings, and grow and absorb more roots.

Pest control: common insect pests are green moth, copper green beetle, golden caterpillar, mulberry longicorn beetle and so on. If the green moth occurs, it can be trapped and killed by black light in the adult stage, and the larval stage can be controlled by spraying 3000 times of the hyperosmotic phenoxyvir EC. If there is a copper green beetle, you can also use black light to trap and kill adults and Beauveria bassiana to infect and kill larvae. If there is a golden caterpillar, larvae occur in the harmful period, can be sprayed under 8000IU/ml Bacillus thuringiensis wettable powder 400-600x liquid or 25% diflubenzuron suspension 2000-2500 times solution. If mulberry longicorn beetles occur, the adults can be killed manually, the larvae can be removed, and the larvae can be fumigated and dried with aluminum phosphide tablets. The disease of seven-leaf tree is mainly root rot. In the rainy days in summer, the stagnant water in the tree holes should be removed in time, such as continuous rainy days, the roots should be dried in time after stopping rain, and the soil should be disinfected with chlorothalonil, sulfur powder and other agents, and then covered with soil.

Fourth, the reference price of seven-leaf trees

Ground diameter 5cm 80 yuan per tree

Meter diameter cm 400 yuan per tree

Meter diameter 4cm 35 yuan per tree

Ground diameter 6cm 147RMB / tree

Meter diameter 19cm ground diameter 20cm 4000 yuan per tree

Meter diameter 2cm 20 yuan per tree

In addition, there are 6.5 yuan-26 yuan per tree price, generally speaking, meter diameter, height, ground diameter and so on are the main reference basis for the price of the seven-leaf tree.

Because of its height, the seven-leaf tree is more suitable for farming in the field and in the courtyard. Friends who have suitable conditions at home can give it a try. In addition to sowing, they can reproduce by planting seedlings, and at the same time, they should also ensure conditions such as light.