| abstract |
The invention discloses a precise breeding method for forest trees and an application thereof. The method comprises the following steps: soaking the seeds of different trees before sowing, and then sowing the seeds to raise seedlings; after the seedlings grow to 0.4-0.6 m, selecting For saplings with sturdy trunks and many branches, the roots of the saplings are soaked in the compound microbial inoculant for 20-40 minutes and then moved into heavy metal-contaminated soil for mixed planting. Through the breeding method of the present invention, the forest trees that can repair the heavy metal-contaminated soil can be accurately screened, the growth of the forest trees can be promoted, and the degree of the heavy metal pollution of the soil can be improved. |