272 



INDEX. 



Potash, comparison of muriate and high-grrade sulfate (Field B), 

 Potash salts, comparison of (Field G), 

 Potato diseases, early blight, 

 Late blight, 

 Leaf roll, 

 Mosaic, . 

 Phoma disease, 

 Potato diseases due to poor seed. 

 Potato injury due to drought, . 

 Poultry, elimination of broodiness, 



Inheritance of winter egg production, 

 Pruning experiment, 

 Publications in 1918, 



Chemistry department. 

 Microbiology department, 

 Pyrox, value of. 

 Rations for work horses. 

 Report of director, 



Treasurer, 

 Reports of departments, agricultural economies. 

 Agriculture, 

 Botany, . 

 Chemistry, 

 Entomology, . 

 Horticulture, . 

 Microbiology, . 

 Poultry husbandry, . 

 Veterinary science, . 

 Rose canker and its control, 

 Causal fungus, description, 

 Chlamydospores, . 

 Conidia, 

 Conidiophores, 

 Mycelium, . 

 Sclerotia, 

 Causal fungus, life history. 

 Germination of the spores. 



Effect of desiccation on the spores. 

 Effect of freezing the spores, 

 Temperature relations. 

 Thermal death point of spores, 

 Parasitic life of the fungus. 

 Infection court, 

 Mycelium in the host tissues. 

 Effect on host cells. 

 Normal structure of stem, 

 Path of myceliimi. 

 Pathogenicity, . 

 Saprophytic life of the fungus. 

 Depth of penetration of the soil, 

 Effect of freezing the mycelium. 

 Growth on other substrata. 

 Longevity of mycelium in soil. 

 Rate of growth of mycelium. 

 Thermal death point of mycelium, 



