H Araki, M Iijima. Deep rooting in winter wheat: rooting nodes of deep roots in two cultivars with deep and shallow root systems.Plant production science. 2001, 4 (3): 215-9
Y S Momonoki, C Hineno, K Noguchi. Acetylcholine as a signaling system to environmental stimuli in plants. III. Asymmetric solute distribution controlled by ACh in gravistimulated maize seedlings.Plant production science. 1998, 1 (2): 83-8