228 FUMIGATION METHODS 



out, nor is there evideftce that parasites have taken the 

 contract to disinfect the orchards of Southern Cali- 

 fornia." 



The practice among the fruit-growers giving their 

 fumigation to the lowest bidder is a bad one. The 

 question should not be how cheap you will do it, but 

 how good will you do it? And, again, the work 

 should not be let by the tree, but by the hour. We 

 do not deem it necessary to dwell upon the efficacy of 

 fumigation, as we are confident that no one will dis- 

 agree with us when we say that fumigation has been, 

 and still is, the salvation of the citrus fruit industry 

 of Southern California. W. H. PAYNE, Horticultural 

 Inspector, California. 



Recently The Rural Calif ornian quoted the follow- 

 ing from Professor Cook : ' ' Fumigation has been so 

 long and favorably known that we do not need to speak 

 its praises. * By their fruits ye shall know them. ' The 

 fruits of fumigation are the thousands of dollars saved 

 to the citrus growers of Southern California. 



' * We must remember that the foliage on orange 

 trees is very dense, even more so than on the lemon, 

 and it is not easy to reach every scale insect. Here, 

 as I have often urged, is the rock on which the spray- 

 ing process will split if anywhere. It is yet to be 

 determined whether even in careful hands the spray 

 can be thorough enough to be effective in the orange 

 orchard. ' ' 



The superiority of fumigation with hydrocyanic acid 

 gas as a remedy for the destruction of red, black, or, in 

 fact, almost any other variety of scale, is no longer a 

 question of doubt with people who have tried all 



