216 STATE BOARD OF AGRICULTURE 



7. Coons, G. H. Control of Stinking Smut of wheat [Tilletia levis) 

 with dust treatments. Phytopathology 13 :37. Jan., 1923. 



8. Kotila, J. E. and G. H. Coons. Spraying and dusting of potatoes 

 in 1922 at Chatham, Michigan. Phytopathology 13 : 54-55, Jan., 

 1923. 



9. Bennett, C. W. Apple scab and its control. Mich. Sta. Quart. Bui. 

 5:130-134. Feb., 1923. 



10. Kotila, J. E. Mosaic and potato yields in Michigan. Mich. Sta. 

 Quart. Bui. 5:188-189. May, 1923. 



11. Baxter, Dow V.* and G. 13. Coons. White pine blister rust in 

 Michigan. Mich. Sta. Quart. Bui. 5 :193-196. May, 1923. 



12. Coons, G. H. Celery blight or leaf spot. Mich. Sta. Quart. Bui. 

 5:190-193. May, 1923. 



13. Kotila, J. E. and G. H. Coons. Trypanosome-like bodies in solanace- 

 ous plants. Phytopathology 13: July, 1923. (Inpress.) 



^Collaborator, U. S. Dept. of Agr.. 



Respectfully submitted, 



G. H. COONS, 

 Plant Pathologist. 



REPORT OF THE SECTION OF CHEMISTRY. 



To the Director: 



Sir: — The following report briefly summarizes the work of the Chem- 

 ical section for the year ending June 30, 192 



'w^O 



CHANGES IN THE STAFF. 



Miss S. L."* Bandemer severed her connection with this section at the 

 close of the last fiscal year. Arthur W. Lowell, a graduate of the 

 University of Maine in 1921, was appointed on October 1st to fill 

 the vacancy. Mr. H. A. Noyes was appointed on December 1st to take 

 charge of the work in connection with the new cereal project approved 

 by the Board of Agriculture in October. Mr. Noyes remained with 

 us only three months, resigning March 1st to accept a much more 

 lucrative position. No successor to Mr. Noyes has been appointed. 



Mr. E. J. Miller was granted leave of absence from March 1st to 

 June 1st for the purpose of completing his graduate work at the Uni- 

 versity of Michigan. The degree of Ph.D. was conferred on him at the 

 Commencement, June 18th. 



ADAMS FUND PROJECTS. 



Adams 2b. — "A study of the physico-chemical aspects of soil acidity." 

 Two papers on the nature of adsorption of electrolytes from solution by 

 activated sugar charcoal have been published in the Journal of the 



