INDEX. 



Page. 



Arizona, treatment of grapevines 15 



Arkansas Agricultural Experiment Station, experiments for determination of 



resistance of American grapes to crown-gall 18-20 



Fayetteville, experiments to determine resistance of grapes to crown- 

 gall 18-20 



Ausschlag, variant name of crown-gall 8 



Bacillus ampelopsorae, cause of crown-gall, authority 21 



Bacterium tumefaciens, cause of crown-gall, authorities 21-22 



experiments for production of galls on different plants. 21-22 



Bees, agency in spreading crown-gall 2o 



Bibliography of crown-gall 31-33 



Black-knot, variant name of crown-gall 9 



Malvoisie grape, susceptibility to crown-gall, experiments 12 



Blunno, investigations of crown-gall 9 



Broussins, French name for cane galls 8 



California, localities free from crown-gall 15 



Canada, investigators of crown-gall, list 



Cane galls, description, occurrence, etc 11-12 



development, description 3 



form of crown-gall 



Canes, effect of crown-gall 14 



Cape Colony, report of crown-gall 



Chile, investigators of crown-gall 9 



Climate, relation of frosts to crown-gall 15 



Cooke, English investigator of crown-gall 9 



Crown-gall, causes ascribed by different authorities 20-22 



communicability, experiments 22-25 



development of forms, experiments 12-14 



distribution and importance 9_11 



effect on vines 14-15 



forms, development, etc 11-14 



inoculation of various plants, results 22-25 



investigations at Mississippi Valley Laboratory 8 



prevention, methods 26-27 



remedies, experiments, discussion, etc 25-26 



resistant varieties ^ *° 



planted on their own roots 26-27 



States in which it occurs, list 10 



7 Q Q 



variant names ' ,0,B 



183 37 



