INDEX. 



26i: 



Forage crop observations 



Corn and soy beans, 



Sudan grass, 



Sweet clover, . 

 Fruit buds, injury due to cold. 

 Green clover worm attacking beans, 

 Hog cholera investigations. 

 Horses, digestion and energy experiments with, 

 Horticulture, work of department, . 



New lines of work needed. 

 Injury to plants due to winter of 1917-18 

 Insecticides, chemical study of, 



Tests of, .... 



Insects: 



. Codling moth, 



Corn borer, European, 



Cranberry insects, 



Digger wasps, .... 



Green clover worm, . 



Onion maggot, 



Scale insects, .... 



Seasonal appearance of, 

 Investigations needed : 



Botany, ..... 



Difficulties in undertaking new. 



Entomology, .... 



Garbage for feeding pigs, . 



Horticulture, .... 



Mixed rations for live stock. 



Spray materials, 

 Jellj', chemical study of , . 

 Lettuce drop, .... 



Light requirements of plants, . 

 Marketing Connecticut valley cigar leaf tobacco 

 Meteorology, work of department 



Apparatus needed, . 

 Microbiology, summary of analytical work 

 Micro-organisms in: 



Canned foods. 



Milk, 



Soil, 

 Milk, study of micro-organisms 



Studies on clarification, 

 Myeological collection, . 

 Onion diseases, 



Smut, 

 Onion maggot control. 

 Orchard fruit diseases in 1919: 



Bitter rot on apples, 



Black rot on apples. 



Brown rot of plums and peaches. 



Fire blight of pear, apple and quince 



Scab on apples and peaches, 

 Pigs, lactic acid for, 



