Platycladus orientalis introduction

Platycladus orientalis is a Cupressaceae plant, also known as Platycladus orientalis, Phellodendron amurense, Pinus elliottii, Platycladus orientalis, Cedar and Platycladus orientalis.

Here is a brief introduction to the ecological habits, species, distribution and garden use of Platycladus orientalis for reference.

1. The morphological characteristics of Platycladus orientalis are evergreen trees, with a height of 20m and a DBH 1 m.. When they were young, the crown of Platycladus orientalis was pointed.

The bark is grayish brown and peeling off one by one.

The big branches are oblique and the branchlets are flat.

The leaves are scales, both sides are green, and there is no difference between the back and abdomen. The tip is slightly blunt, relatively.

Platycladus orientalis is a monoecious plant. When it matures, the cones are nearly fleshy, brown or reddish brown, covered with white powder and shaped like incense burners.

The flowering period is from March to April, and the fruit ripens in10-165438+1October.

Second, the species and varieties of Platycladus orientalis 1, dry-headed cypress: also known as descendant cypress and phoenix cypress, clustered shrubs, no obvious trunk; Dense branches, compact oval or spherical crown, bright green leaves.

2, Sajinbai: short and dense, round to oval, light yellow-green leaves, slightly brown-green in winter.

3. Jinyebai: Also known as Golden Pat.

Short and compact, shrub, nearly spherical crown, golden leaves all year round.

Geographical distribution Platycladus orientalis is a high-yield tree species in China, one genus and one species, native to the north and southwest, and has been cultivated many times throughout the country.

This tree species has low requirements for soil, can grow on barren land, and has wide adaptability to soil pH; Strong saline-alkali tolerance, normal growth in soil with 0.2% salt content, but rapid growth in soil with deep soil layer, heavy fertilizer and good drainage.

Platycladus orientalis has strong sulfur dioxide resistance and absorption ability, and strong ozone resistance. The fumigation test showed that Platycladus orientalis had strong resistance to sulfur dioxide and ozone.

It has strong to moderate resistance to a variety of harmful gases, and has the functions of dust collection and sterilization, can secrete fungicides and kill some bacilli.

Fourth, the cultivation and management of Platycladus orientalis generally adopts sowing and reproduction, which can be transplanted in spring and autumn, and it is easy to survive by transplanting with soil balls; Transplanting in rainy season can protect roots, and attention should be paid to protecting roots.