636 



STATE BOARD OP AGRICULTURE. 



bama, California, Connecticut, Delaware, Illinois, Louisiana (becoming 

 common), Maryland, Michigan, Missouri, New Jersey, New York, North 

 Carolina, Pennsylvania, and Wisconsin. (Figure 1). 



A reply to a similar request to the Bureau of Plant Industry, Plant 

 Disease Survey (Cotton and Truck Disease and Sugar Plant Investiga- 

 tions) for information as to the distribution of the disease brought the 

 following: ''Keported in 1903 from Alabama, Connecticut, Missouri, New 

 Jersey, New York, and Ohio; 1904 from North Carolina and Ohio; 1905 

 from Delaware, Maryland, North Carolina, Ohio, and West Virginia; 



1906 from Delaware, Nebraska, New Jersey, Ohio, and West Virginia; 



1907 from Delaware, Illinois (mentioned that it has been present in this 

 state for three or four years), Maryland, Nebraska, New Jersey, North 



Figure 1. Distribution and relative importance of tlie Septoria leaf-spot of Tomato, as de- 

 termined from a questionnaire to American phytopathologists. Collection records from Michi- 

 gan are shown by dots. 



Carolina, Ohio, and West Virginia ; 1908 from Delaware, Maryland, New 

 Jersey, Ohio, Pennsylvania, and South Carolina; 1909, Delaware, Indi- 

 ana, Iowa, Maryland, Nebraska, New Jersey, North Carolina, Ohio, 

 Pennsylvania, South Carolina, and West Virginia; 1910 from Delaware, 

 Indiana, Kansas, Kentucky, (exceptionally prevalent), Maryland, Mis- 

 sissippi, Nebraska, New York, Ohio, South Carolina, Texas, Virginia, 

 and West Virginia; 1911 from Delaware, District of Columbia, Florida, 

 Illinois, Iowa, Maryland, Massachusetts, Missouri, Ohio, Pennsylvania, 

 Virginia, West Virginia and Wisconsin; 1912 from Alabama, Delaware, 

 District of Columbia, Illinois, Indiana, Iowa, Maryland, Michigan, Min- 

 nesota, Missouri, New Jersey, North Carolina, Ohio, Khode Island, South 

 Carolina, Tennessee, Texas, Virginia, and West Virginia." The reply 

 also notes that "The disease may not necessarily have progressed as 

 rapidly as this would indicate but may have been present in all the 

 states earlier." 



