CLONAL ROOTSTOCKS FOR THE APPLE 21 



Mailing IV 



Growth: short and rather slender, growing tips yellowish green or slightly 

 tinged. 



Internodes: very short. Spurs: medium. 



Bark: greenish or yellowish olive. 



Lenticels: few, small, roundish, brownish, flush, inconspicuous. 



Leaf Blade: medium sized, roundish with small tip or none, moderately folded 

 at edge, not reflexed, little waved, rather smooth, somewhat bullate. Base: 

 round, wide, even. Serrations: moderately sharp, shallow, quite regular, not 

 distinct. 



Petiole: somewhat upright, short, slender. 



Stipules: small. 



Mailing V 



Growth: medium to rather tall, medium sized, growing tips green, not tinged. 



Internodes: short to medium. Spurs: none to few. 



Bark: dark reddish brown. 



Lenticels: few, rather small, round or slightly elongated, whitish, flush, in- 

 conspicuous. 



Leaf Blade: rather small, oval or slightly ovate with distinct short tip, more or 

 less folded near edge, not reflexed, little waved, smooth, slightly bullate. Base: 

 round, rather narrow, even. Serrations: rather dull, shallow, quite regular, not 

 distinct. 



Petiole: spreading, short, slender. 



Stipules: none or very small. 



Mailing VI 



Growth: medium to tall, medium sized, growing tips yellowish green, not tinged. 



Internodes: short. Spurs: none. 



Bark: yellowish olive. 



Lenticels: medium in number, small, round, brownish gra}-, slightly raised, 

 not very conspicuous. 



Leaf Blade: medium sized, oval to ovate with moderately distinct tips, more 

 or less folded, not reflexed> little waved, rugose. Base: round to cordate, 

 /wide, even. Serrations: medium in sharpness and depth, irregular, moderately 

 distinct. 



Petiole: spreading, short to medium, thick. 



Stipules: medium to large. 



Mailing VII 



Growth: medium in height, rather slender, growing tips greenish or very 

 slightly tinged. 



Internodes: short to medium. Spurs: none to few. 



Bark: dark reddish brown, lighter at base. 



Lenticels: medium in number, small to medium, roundish, medium gray, 

 raised, moderately conspicuous. 



Leaf Blade: medium sized, broad oval, often with a short distinct tip, flat, 

 sometimes down folded at edge, not waved, smooth, somewhat bullate, principal 

 veins often reddish. Base: round, broad, even. Serrations: sharp, shallow, 

 somewhat irregular, not very distinct. 



Petiole: spreading, short to medium, slender. 



Stipules: none or small. 



