Taxus cuspidata is a domesticated wild tree species in Northeast China (distributed in Jiamusi and Changbai Mountain in Daxing 'anling), which has good cold tolerance and high temperature tolerance and is suitable for planting in Northeast China, East China, Central China and South China. In Northeast China, the annual growth is 10- 15 cm. Moving Taxus cuspidata south can increase the annual growth. Taxus cuspidata can grow normally in Hangzhou, Nanjing, Qingdao, Beijing, Tianjin and Zhangjiakou.

Seed propagation techniques of Taxus cuspidata in Jiamusi

(1) Seed collection: collect red fruits from September to June, rub off the red aril and pulp, wash them, and store them in wet sand.

(2) seed storage:

Autumn sowing: seeds have the characteristics of long post-ripening period and long dormancy period. Under natural conditions, it can germinate after two winters and one summer, that is, it is frozen outdoors in winter and accepted in summer.

High temperature and rainy, sow in the autumn of the following year.

Spring sowing: after harvesting, seeds are mixed with wet sand and stored indoors or outdoors, and frozen in outdoor soil after winter. In the middle and late March, it is moved into a greenhouse to accelerate germination, and then planted. After sowing in May 1, seeds can germinate and emerge about 30 days after sowing.

(3) Temperature-changing treatment: Taxus cuspidata seeds have the double dormancy habit of radicle and hypocotyl, and the dormancy of radicle can only be broken by about 1 month at high temperature above 25℃, and hypocotyl can only be broken by about 1 month at -3℃ ~-20℃.

(4) Seeding and seedling raising: after seedling emergence, the seedlings should be shaded, with the light transmittance of 65,438+05%-20%, weeding frequently, watering for 65,438+0 times in 65,438+05-20 days, and transplanting in the open field after 65,438+0-2 years.