ROOT-KNOT DISEASE OF TOMATOS. 



49 



Table XXI— Plots Treated with Creosote Emulsion, 



Plot. 



Infection 191 7. 



Quantity of 

 Creosote 

 Emulsion 



Dilution. 





Jan. 



Oct. 



applied per 

 acre. 





6 9 



68 

 70 



57 



58a 



58b 



59 



60 



Tr 

 X 

 X 

 X 



XX 



XX 

 XXX 

 XXXX 



XX 



X 

 X 

 X 



0 



XXXX 

 XXX 

 XXX 



XXXX 

 XXX 



^870 gals. 

 700 „ 



T 1 A ^ 

 X J 4 J 



1/45 

 i/45 

 i/45 

 1/45 

 i/45 

 i/45 

 i/45 

 1/45 



Table XXII. — Plots Treated with Pyridine. 



Plot. 



Infection 1917. 



Pyridine 

 applied 

 per acre. 



Dilution. 



Jan. 



Oct. 



17 

 51 

 14 



X 

 XXX 

 X 



X 

 XXX 

 XXX 



16 cwt. 

 16 „ 

 16 „ 



i/ioo 

 1/100 



I/IOO 



Table XXIII. — Plots Treated with " Twiset.' 



Plot. 



Infection 191 7. 



Jan. 



Oct. 



50 



XX 



XX 



9 



Tr 



X 



48 



XXX 



XXX 



7 



X 



XXX 



6 



XX 



XXXX 



5 



XXX 



XXXX 



3 



XX 



XXX 



4 



Tr 



Tr 



Twiset 

 applied, 

 per acre. 



165 gals. 

 165 

 165 

 165 

 165 

 I6 5 

 165 

 165 



Dilution. 



i/ioo 

 I/IOO 

 1/100 

 1/100 

 1/100 

 1/100 

 1/100 

 1/100 



Any record of these experiments would be incomplete if I did not 

 say a few words about the attitude of the grower, Mr. Cousins, relative 

 to the work which has now gone on for three seasons. I met him 

 for the first time in the autumn of 1914, when the inquiry respecting 

 eelworm eradication was made. The information available was 

 satisfactory neither to giver nor receiver : sulphate of potash and 

 naphthalene were then at a premium or unobtainable because of war 

 conditions, gas lime was likewise unobtainable, and the use of carbolic 



VOL. XL1V. E 



