180 



STATE BOARD OF AGRICULTURE. 



DISTRIBUTION OF LEGUME CULTURES. 

 July 1, 1920— July 1, 1921. 



Alf., alfalfa; S. ("., swet't clover; R. C, red clover; Alsk., alsike clover; W. C white clover; F. B., field bean; G. B., garden bean; 

 S. B., soy bean; F. P., field i)ea; G. P., garden pea; C. P., cow pea; X, miscellaneous". 



[Robert Ij. Snyder] 



I wish to take this opportunity to tlumk you in behalf of myself and the 

 other memb^ers of the department for your imfailing courtesy and heli)fulness 

 during the past 3'ear. 



Respectfully, 



WARD GILTNER, 



Bacteriologist. 

 East Lansing, Michigan, June 30, 1921. 



REPORT or THE BOTANICAL SECTION. 



Director R. S. Shaw, 



Dear Director Shaw: 



I have the honor to hand 3'ou herewith the following report for the Section 

 of Botany for the year closing June 30th, 1921. 



The staff has undergone no changes as compared with the close of the 

 previous fiscal year. The pathological work has been under the direction of 

 Dr. G. H. Coons, assisted by Ray Nelson and J. E. Kotila. The physiological 

 investigations have been carried on by Dr. R. P. Hibbard and Mr. H. C. 

 Young. All of these gentlemen have cooperated with me in planning and 

 carrying out the work and deserve great credit for the results obtained. 



In the plant disease wrok, progress has been made along the study of cause 

 and control of certain celery diseases, viz : — a Fusarium disease of celery known 

 also as Stunt and Red-heart, for which Dr. Coons and Mr. Nelson have deter- 

 mined the cause and mode of spread and have made progress in developing 

 a disease-resistant strain: Early Blight of celery which has been the subject 

 of investigation under Dr. Coons' direction l)y L. E. Tisdale, a graduate 

 student. 



Mr. Nelson has been following up his work on the breakdown of plants in 

 transit and in storage. He has determined the underlying principles and is 



