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Chinese Agricultural Science Bulletin ›› 2019, Vol. 35 ›› Issue (31): 21-25.doi: 10.11924/j.issn.1000-6850.casb18050161

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Review on Chemical Root-control Technology of Woody Plants

  

  • Received:2018-05-31 Revised:2018-07-12 Accepted:2018-07-24 Online:2019-11-04 Published:2019-11-04

Abstract: To evaluate the functions of chemical root-control technology in container seedlings, we reviewed the research progress, theories, techniques and methods of chemical root-control. The main purpose of the root-control technology is to prevent the deformity of the root system of the seedlings planted in containers. Chemical root-control agents can prevent roots from twining and hyperplasia, promote uptake of water and nutrients, and therefore increase the survival rates of the seedlings and promote the growth during later stages. At present, copper (Cu) and zinc (Zn) reagents are widely used, as well as trifluralin, ethylene phosphorus and growth regulators. Chemical root-control technology is mainly applied to container breeding of woody plants because woody plants have strong taproots. Chemical root-control is one of the important technologies to effectively control root development and is essential for improving the quality of seedlings of woody plants.

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