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木本植物化学控根技术研究进展

作  者:
邓纪凤;孟格蕾;邰志娟;韩建秋;王宏伟;周玉梅
单  位:
吉林省长白山科学研究院;上海应用技术大学;上海应用技术学院
关键词:
容器育苗;化学控根;控根试剂;木本植物
摘  要:
为研究化学控根在容器育苗中的作用,总结了化学控根的研究、原理、技术与方法,分析了化学控根的目的是防止栽培于容器中的苗木根系产生畸形.指出化学控根剂可以防止根系缠绕和生长畸形,进而提高根系对水分和养分的吸收,提高苗木的成活率并促进后期生长.目前常用的化学控根试剂主要是铜(Cu)试剂和锌(Zn)试剂,还有氟乐灵、乙烯磷以及生长调节剂等.通过分析,认为目前化学控根主要应用于木本植物的容器育苗,木本植物主根较为发达,化学控根是有效控制木本植物容器苗根系发育的主要手段之一,对提高苗木质量具有重要研究意义.
作  者:
Deng Jifeng;Meng Gelei;Tai Zhijuan;Han Jianqiu;Wang Hongwei;Zhou Yumei;Shanghai Institute of Technology;Changbai Mountain Academy of Sciences;
关键词:
container breeding;;chemical root-control;;root-control reagent;;woody plants
摘  要:
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 seedling root system planted in containers. Chemical rootcontrol agents can prevent roots from twining and hyperplasia, increase the uptake of water and nutrients, and therefore promote the survival rates and the later-stage growth of seedlings. At present, the common chemical root-control agents are copper(Cu) and zinc(Zn) reagents, trifluralin, ethylene phosphorus and growth regulators. Chemical root-control technology is mainly applied to container breeding of woody plants, which 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.

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