GENERAL INFORMATION 33 



heap covered with canvas for several hours before 

 spreading out to dry. Another method is to put 

 the grain in a half-filled sack and dip it into the 

 solution, agitating to ensure contact of the solution 

 with the whole of the grains, then drain and spread 

 out to dry. 



(c) For Bunt. — Pour part of the grain to be 

 treated into the formaldehyde solution ( i pint of 

 commercial formalin to 40-45 gallons of water), and 

 stir so that the bunted grains may all rise t(j the 

 top and be skimmed off and destroyed. Drain off 

 the solution into another vessel, then remove the 

 treated grain and spread out to dry. Replace the 

 solution, add more grain, and proceed as before. 



9. Lime-SidpJmr Sohition. — This compound is 

 obtainable commercially in a concentrated form, 

 or may be made by the user. It is an excellent 

 contact insecticide, especially for scale insects on 

 fruit trees, but has also great fungicidal value and 

 can be used on some plants which cannot endure 

 copper fungicides (e.g. peach and Japanese i)lums). 

 It should not be used on potatoes nor on grapes. 

 If combined with poison for biting insects, the 

 best results are obtained by using arsenate of lead, 

 2-3 lb. of the dry powdered form, or twice as much 

 of the paste form, to 100 gallons of the solution. 

 As a winter spray lime-sulphur may be used much 

 more concentrated than after the foliage appears. 

 It should be tested with a Baume Hydrometer. It 



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