6[4]Bowen J E. Micro-element nutrition of sugarcane. Ⅱ. Interactions in microelement accumulation[J]. Trop. Agric. , 1981,58(3): 215-220.
7[5]Dixon B, Sagar G R, Shorrocks V M. Effect of calcium and boron on the incidence of tree and storage pit in apples of the cultivar Egremont Russet [ J ]. J. Hort. Sci. , 1973,40 (4): 403 -411.
8[10]Bolanos L, Brewin N J, Bonilla I. Effects of boron on rhizobiumlegume cell-surface interactions and nodule development[J]. Plant Physiol., 110: 1249-1256.
9Brown P H, Bellaloui N,Hu H N et al . Transgenically enhanced sorbitol synthesis facilitates phloem boron transport and increases tolerance of tobacco to boron deficiency[J]. Plant Physiology,1999,119: 17-20.
10Bellaloui N, Brown P H, Dandekar A M. Manipulation of in vivo sorbitol production alters boron uptake and transport in tobacco[ J]. Plant Physiology, 1999,119: 735-741.
