1. COMPARISONS OF FRUITING AND DEBLOSSOMED MAIDEN APPLE TREES, AND OF NON-FRUITING TREES ON A DWARFING AND AN INVIGORATING ROOTSTOCK
2. H. W. B. Barlow(1966 ). The effect of cropping on the number and kind of shoots on four apple varieties . Rep. E. Mailing Res. Stn for 1965, 120 .
3. A. B. Beakbane(1953 ). Anatomical structure in relation to rootstock behaviour . Rep. 13th int. hort. Congr., London, 1953 , 152 .
4. POSSIBLE MECHANISMS OF ROOTSTOCK EFFECT