ROOT-KNOT DISEASE OF TOMATOS. 

 Phenol — (cont.). 



65 



Year. Plot 47a. Rate 29 cwt. per acre. 



Before. After. 



1 91 5 — — XX 



1916 XX > O 



1 91 7 O Nothing O 



Year. Plot 476. Rate 29 cwt. per acre. 



Before. After. 



1915 — — xx 



1916 XX > X 



1 91 7 X Cresylic acid O 



Year. Plot 47c. Rate 29 cwt. per acre. 



1 1 



Before. After. 



1915 — — xx 



1916 XX > o 



1 91 7 O Nothing O 



Year. Plot 47^. Rate 29 cwt. per acre. 



Before. After. 



1915 — — XX 



1916 XX > o 



1 91 7 O Nothing O 



Creosote. 



Year. 



Plot 48. Rate 640 gal. per acre. 



1915 

 1916 

 1917 



Before. 



X 

 XXX 



Nothing 



Twiset 



After. 



X 

 XXX 

 XXX 



Year. 



1915 

 1916 

 191 



Plot 49. Rate 640 gal. per acre. 



Before. 



— Nothing 

 XX > 



After. 



XX 

 XX 



XX Creosote emulsion XXX 



Pyridine. 



Year. 



Plot 51 



Rate 16 cwt. per acre. 





Before. 



After. 



1915 





— XX 



1916 



XX 



Paraffin XXX 







emulsion 



1917 



XXX 



> XXX 





Year. 





1915 





1916 





1917 



Plot 14. Rate 16 cwt. per acre. 



Before. After. 



XXX Black carbolic XXX 



disinfectant 

 XXX Black carbolic X 



disinfectant 



x > xxx 



Year. 



Plot 17. Rate 16 cwt. per acre. 



1915 



1 91 6 

 1917 



Before. After. 



XXX Chlorinated XXX 

 lime 



XXX Common salt X 



X > X 



Naphthalene. 



Year. 



Plot 53. Rate 17 cwt. per acre. 



1915 

 1916 

 1917 



Before. After. 

 — KMnO, X 

 X > XX 



XX NaCN O 



VOt. XLiV. 



