CONTENTS. 



THE RED-LEAF DISEASE... 



DESCRIPTION OF THE DISEASE AND ITS RELATIONSHIPS 6 



Effect of the disease on the leaves 6 



Effect of the disease on the fruit 8 



Effect of the disease on the shoots , 9 



The relationships of the Red-leaf disease 9 



Resemblance between the Red-leaf disease and the Folletage_. 9 



Resemblance between the Rougeot and the Red-leaf disease 10 



Resemblance between the Red-leaf disease and the California (or Anaheim) 

 vine disease 10 



RESULTS OF WINTER AND SUMMER SPRAYING EXPERIMENTS... 11 



Details of the work at the South Sonoma Experiment Plot 13 



THE GRAPE-SHRIVEL .. 18 



Description ... 18 



Effect of the disease on the grapes 18 



Effect of the disease on the leaves 19 



Internal appearance of the shoots, spurs, arms, and body of vines 20 



Generalities regarding the work at the East Sonoma Experiment Plot 21 



Cause of the Grape-Shrivel 23 



ROOT-ROT __ .-24 



