Pneumatophore ( aerophore ; breathing root ) a specialized neg atively geotropic root produced by certain aquatic vascular plants ( especially trees such as man groves, e. g.
呼吸根：指由某种水生维管植物产生的特化的负向地性根（尤其如红树，如海桑属） ，在土壤之上生长良好。
2
Pneumatophore aerophore; breathing root a specialized negatively geotropic root produced by certain aquatic vascular plants especially trees such as mangroves, e. g.
呼吸根：指由某种水生维管植物产生的特化的负向地性根(尤其如红树，如海桑属)，在土壤之上生长良好。
3
Microbe in root ecosystem couldn't affect the produce of the secretion from aquatic higher plant root.