Journal APS Oct 2017

Figure.3 Surface area of roots with different diameters for four progenies of columnar and standard apple trees.

J ournal of the A merican P omological S ociety

198

Fig. 3. Surface area of roots with different diameters for four progenies of columnar and standard apple trees. Figure.4 Volume of different diameter roots of four progenies of columnar and standard apple trees.

13

Fig. 4. Volume of different diameter roots of four progenies of columnar and standard apple trees.