28 



MASS. EXPERIMENT STATION BULLETIN 427 



*a4t^ 



•^,^.^- 



rJ^" 



Figure 2. Carnation plants Infected with Alternaria Blight. 

 Showing the devastating effect of disease on the lower foliage while the plants were in the 

 field, and the relatively healthy lop foliage representing new growth in the greenhouse after 

 the plants were benched. 



