200 REPORT OF OFFICE OF EXPERIMENT STATIONS. 



and also protected against diseases. The pink aphis required 

 stronger sokitions than the pear psylla. Contact insecticides had 

 little effect on the eggs of the aphis, while rather strong lime-sulphur 

 mixture destroyed the eggs of the psylla. Life-history studies of 

 several insects were made and work on a monograph of the maple- 

 gall mites, the Eriophyidse, progressed. 



The bacteriological department cooperated with the chemical de- 

 partment on the cheese project, studied the various factors entering 

 into the production of sanitary milk, and investigated various bac- 

 terial diseases of plants. Laboratory and field studies were made on 

 the soft-rot organisms to determine their pathogenicity, on seed- 

 borne bacterial diseases, etc. In the study Of sanitary milk produc- 

 tion, the factors controlling the production of clean milk when using 

 the milking machine were differentiated, and the best form of milk- 

 ing pail for use in hand milking was determined by a careful series 

 of tests. 



In the department of botany the 10-year potato spraying ex- 

 periment was continued, this being the ninth year. Studies were 

 made of currant diseases and cane blight of bush fruits, cabbage 

 diseases, various obscure diseases of crops where no specific organism 

 is present, etc. Progress was made in the study of grape diseases in 

 the Chautauqua district and other important grape-producing regions 

 of the State. In addition to the disease work, investigations were 

 made with reference to varieties, methods of culture, and grape 

 insects. Considerable work was carried on in seed testing and spray- 

 ing tests for the eradication of dandelions in lawns. 



The department of horticulture carried on a large amount of 

 variety testing, plant breeding, and cooperative experimentation. In 

 studying the relative value of Doucin, Paradise, and Standard stocks 

 for varieties of apples, it was found that the Standard stocks are 

 best adapted to New York conditions. Comparisons were made of 

 various fertilizers for orchards, and experiments were carried on 

 with reference to management of vineyards, including work in prun- 

 ing, cultivation, fertilizers, cover crops, etc. A monograph by the 

 department on the plums of New York was about completed. 



Among a number of miscellaneous investigations may be cited 

 studies on the cost of production of goat's milk and its value for in- 

 valids and others. The station also does a large amount of inspection 

 work, including analyses of fertilizers, feeding stuffs, agricultural 

 lime, insecticides and fungicides, and also tested the glassware used 

 in factories and milk-receiving stations where the Babcock test is 

 employed. 



The dairy expert, among other lines of endeavor, worked in co- 

 operation with the bacteriological department on the problem of 

 producing sanitary milk, and also continued the test of the station 



