REPORT OF THE SOCIETY 



103 



is shown by the check plots of Hull-less, which had an average of 49 per cent 

 of iirfected heads. 



Treatments. 



1. Hull-less No. 709 M. C. 



(a) Formaldehyde sprinkle. The grain was sprinkled with a solution 

 of formalin 1 pint in 320 pints of water and covered for four hours. 



(b) Formaldehyde spray. The grain was apra^^ed with a solution of 

 formalin 1 pint in 1 pint of water and covered. 



(c) Copper carbonate dust. The grain was thoroughly shaken in a closed 

 container, with copper carbonate dust used at the rate of 2 oz. per bushel. 

 Thorough shaking is essential in order to make sure that such grain is well 

 covered with copper carbonate dust. 



(d) Dehydrated copper sulphate and lime dust. The treatment was 

 similar to that in (c) and the dust used at the same rate. 



(e) Copper sulphate dip. Grain was soaked ten minutes in a solution of 

 1 lb. copper sulphate crystals and 1 lb. of common salt in 5 gallons of water, 

 and then for ten minutes in milk of lime (1 lb. of quicklime slaked and made 

 up to 10 gallons by adding water). 



2. Banner Oats. 



Treatment with copper carbonate dust was the only one used with Banner 

 Oats. 



Germination tests. — Germination tests were made immediately after treat- 

 ment, with percentages on the ninth day as below. 



Variety 



Banner Dery 



Banner Dery 



Hull-less No. 709 MC 



Treatment 



Check 



Copper Carbonate, dust 



Dehydrated Copper Sulphate and liine. . . 



Copper Sulphate dip 



Formaldehyde sprinkle 



Formaldehyde spray 



Copper Carbonate dust 



Check 



Check 



Percentage of germination 



94 

 91 

 89 

 83 

 65 

 23 

 90 

 80 

 84 



