The role of root border cells in protecting buckwheat root apices from aluminum toxicity and their effect on polysaccharide contents of root tip cell walls The allelopathy of different development stages of Amaranthus retroflexus L. on root border cells of cucumber Effects of Root Border Cells on Root Growth and Cell Wall Polysaccharide Contents in Rice Seedlings and Their Relation to Aluminum Tolerance Response of root border cells to drought stress and their effects on physiological characteristics of roots of black soybean seedlings Effect of excessive Fe2+ on root border cells in vitro of rice