• p.823, left ...volume./ The relative... →　(No paragraph change)
• p.835, right, line 26, 29 0.5 mg/l aphidicolin →　5 mg/l aphidicolin
• p.836, left, line 30 angle (　→　angle α
• p.836, left, Eq. 7 A →　A'
• p.837, right, line 1, 4 Control of plane → The control of the plane