m 



sap of the trees. The species has already been treated in 

 Bulletin 40 of the Station, to which those interested in 

 the pest are referred. It is quite uniformly distributed 

 among maple trees in Kentucky, and will bear watching. 



II. AN EXPERIMENT ON PLUM ROT. 



BY H. GARMAN. 



Several plum trees standing, near the house on the Ex- 

 periment Farm have always been badly affected with the 

 brown rot, due to the fungus parasite, known as Monilia 

 fructigena. Last spring it was decided to treat one of 

 these trees with Bordeaux mixture, leaving another 

 standing beside it as a check. The former was sprayed 

 on June 9, 1893, with Bordeaux miixture, about 2i gal- 

 lons being applied to the leaves and young fruit with a 

 knapsack sprayer. The mixture was prepared by the 

 formula employed for the apple experiments of 1892, and 

 reported in Bulletin 44. 



On July 5 the tree was sprayed again, about the same 

 quantity of the mixture being applied. 



The season was very unfavorable for fruit of all sorts, 

 and neither the sprayed nor the check tree bore as full 

 crops of fruit as usual. As far as it goes, however, the re- 

 sult is in favor of spraying. Some rotting fruit was ob 

 served at the time of picking on both trees, and a good 



