lime than that already added. Fill the barrel with water to 

 make 50 gallons. 



The Bordeaux is now ready for use. Spray it on the 

 plants wíth a spray pump having a coarse nozzle or with a 

 watering can with a fine aprinkler. The plants and the 

 surface of theground shculd be thoronghly wet. This wili 

 require about 1 gallón for 10 square feet. 



This method is adapted to treating small seedbeds. For 

 preparing large quantities of Bordeaux more convenient 

 arrangements can be made, but the following points must 

 be borne in mind. 



lst. All tanks or containers in which the solution of 

 copper sulfate or of Bordeaux isprepared or storedshould be 

 ofwood, stoneware, or copper. lron vessels are quickly 

 destroyed by these solutions. 



2nd. In mixing the lime milk with the copper sulfate 

 solution, both should be as dilute as possible before mixing 

 and they should be mixed gradually, with violent stirring. 

 If the ingredients are in concentra ted form the Bordeaux 

 will settle rapidly and will not be satisfactory. 



3rd. Be sure to add a good excess of lime. Ií this is not 

 done the tobáceo may all be killed. 



The copper sulfate solution used in preparing Bor- 

 deaux is very injurious to plants ií not properly neutralized 

 with lime. 



It appears from our experience that tobáceo recen ti v 

 sprayed with Bordeaux is more easily injured bydryingthan 

 plants not treated. Therefore the greatest care should be 

 taken not to allow the seedbeds to get drv after treatimr 

 witli Bordeaux. 



I'OISONS FOR INSECTS OF TOBACCO SEEDBEDS 



Poison baits and íead arsenate have been used by this 

 department during the past year with good results. 



The principal inseets which injure the tobáceo seedbeds 

 are cachazudos or cut-worms (Feltia annexa Treit. and pro- 

 bably other Noctuidae). Very common but usually less 

 destructive arem a/Jíec/w/V/asorelimbing cut-worms (Prodenia 



