How do poplars spread their seeds?

Poplars spread their seeds by the wind. Because the poplar seeds are small and light, they can be suspended in the air and blown away by the wind, so that the seeds can be spread.

Poplars spread their seeds by the wind. Because the poplar seeds are small and light, they can be suspended in the air and blown away by the wind, so that the seeds can be spread.

1. Introduction of willows

1. Form

Poplar is a tree. The trunk is usually straight; the bark is smooth or longitudinally split, often grayish white. There are terminal buds (without Populus euphratica), numerous bud scales, and often sticky fat. Branches can be divided into long (including sprouting) short branches, Terete or ribbed. Leaves alternate, mostly oval, oval-lanceolate or triangular-ovate, often in different shapes on different branches (such as long branches, short branches, sprouting branches), toothed margin; petiole long, lateral flat or cylindrical

two。 Distribution

Poplar is the most widely distributed and adaptable tree species in the world. Mainly distributed in temperate and cold temperate forest species of the Northern Hemisphere, latitude 22 °- 70 °N, from low altitude to 4800 m. It is distributed in China, spanning 25 °- 53 °N and 76 °- 134 °E, covering Northeast, Northwest, North China and Southwest.

3. Value

Industrial value: the industrial utilization of poplar mainly includes: large diameter poplar is mainly used in the production of plywood, veneer laminated lumber, furniture; small diameter poplar is used in the production of fibreboard, particleboard, papermaking and matches.

Environmental protection: Poplar can be widely used in ecological shelterbelt, three-north shelterbelt, agroforestry shelterbelt and industrial timber forest. Poplar as a road greening, landscape is also a very excellent tree species. It is characterized by tall and majestic, neat signs, rapid forest, can prevent wind and sand, absorb waste gas.