424 



F. M. Rolfs 



formed the basis for correction of all the varietal estimates. Three 

 estimates were made in the course of the summer, the first in the middle 

 of July, the second August 5 to 7, and the third September 26 to 29. The 

 average result of the three records is given here as the record for the year. 



TABLE 1. Relative Susceptibility of Different Varieties of Apricot, Nectarine, 



Peach, and Plum to Bacterium Pruni* 



Apricot 



Bread, 40-30-30-f Russian, 30-10-?-a 



Moorpark, 40-20-0-f Superb, 20-15-0 -p 



Peach, 75-30-0-a 



Sweet Russian, 40-20-30-p 



Nectarine 



Coosa, 45-1 5-1 00-a 

 Munson's Cling, 50-8-85-a 

 New White, 58-8-100-p 



Stanwick, 65-15-100-a 

 Victoria, 60-10-100-a 



Peach 



Alexander, 25-15-5-p 



Alice Hampton, 20-15-35-p 



Alton, 40-20-80-a 



Anisden June, 8-5-25-f 



Arkansas Beauty, 35-15-50-a 



Arkansas Mammoth, 50-10-50-f 



Arkansas Traveler, 40-10-0-a 



Arnett, 55-10-?-p 



Arnett No. 6, 65-5-?-a 



Athens, 40-3-30-a 



Banner, 15-8-35-n 



Barber, 8-5-0-f 



Barnard Early, 35-10-60-a 



Barnes, 5-3-6-f 



Beauty, 30-10-50-a 



Belle (Belle of Georgia), 15-3-25-a 



Bell's October, 20-10-25-n 



Bequette Cling, 23-3-45-p 



Bequette Free,' 40-10-70-a 



Bernice, 35-10-25-f 



Bilyeu, 60-10-100-a 



Bishop, 18-18-0-f 



Blanchard, 55-10-45-a 



Blood Cling, 45-10-0-p 



Blood Free, 50-10-30-p 



Blood Leaf, 55-5-45-a 



Bokhara, 0-10-40-n 



Bonanza, 45-15-60-p 



Brandywine, 6-13-40-f 



Bray's Rareripe, 25-15 30 f 



Bretl (Mrs. Brett), 20-30-30-a 



Brigdon, 10 10-20-a 



Briggs (Briggs' May), 18-18-40-f 



Bronson, 30 L5 25-a 



Burke, 20-10-35-p 



Carman, 60-0-30-p 



Carpenter (Carpenter Cling), 35-5-50-a 



Chairs (Chairs' Choice), 30-20-35- a 



Champion, 60-0-30-p 



Champion Yellow, 15-5-30-f 



Charlotte (Early Charlotte), 35-10-?-p 



Cherokee. 25-20-45 a 



Chili (Hills' Chili), 20-10-30-p 



Chilow, 25-40-25-p 



Chinese Cling, 45-15-30-a 



Chinese Free, 45-5-55-a 



Christiana, 30-5-25 -a 



Cloves, 43-3-50-p 



Cobler, 25-15-20-p 



Coleman, 20-10-30-p 



Collridge Favorite, 30-10-30-a 



Columbia, 35-15-40-a 



*The first number following the name of the variety indicates the percentage of infected leaves; the 

 second, the percentage of defoliation; the third, the percentage of infected fruit (" ? " in tin- third place 

 indicates thai the tree bore no fruit). The letter in the fourth place indicates the number of twig cankers 

 observed: a, abundant; p, plentiful; f, few; n. none. The letter in the fifth place (in the plum varieties) 

 indicates the amount of injurs- due to trunk and limb cankers: e, extreme injury causing the death of the 

 trees; m, marked injury; s, slight injury; n, no injury. 



