106 N. H. AGR. EXPERIMENT STATION [Bulletin 143 



A. I. Hall, Rochester, N. 11., 2,000 trees. Sprayed first about 

 1886. Estimates his profit from spraying at about $1 a barrel 

 on the fruit, which would mean as high as $8 per tree on some 

 trees. In some cases the sprayed trees have had all No. 1 fruit 

 and the unsprayed trees all No. 2, that is on Mcintosh and Snow 

 or Fameuse trees. 



C. M. de Rochemont, Portsmouth, N. H., 175 trees. Sprayed 

 first about 1890. Now uses a power sprayer. As to the profit 

 per tree, he writes: "I believe I received ten dollars for every 

 dollar expended in spraying." 



John T. JMoore, Boscawen, N. H., 2,500 trees. Sprayed first in 

 1907. In 1907 about 5 per cent, of the crop affected with cod- 

 ling moth, as against 75 per cent, in previous j'ears. In 1909 

 about 7 per cent, affected with codling moth due to windy 

 weather during spraying. "In this section spraying saves fully 

 33 to 75 per cent, of the crop and improves the entire crop. The 

 apples seem to mature better and are more uniform in size and 

 color than in unsprayed orchards. Outside of sprayed orchards, 

 there was little marketable fruit in this section this year, and 

 several more will spray next year." 



THE EFFECT OF SPRAYING ON THE BROWN-TAIL 



MOTH. 



A. R. Marsh, Stratham, N. H., writes: "We have captured the 

 brown-tails for two years where we sprayed once with arsenate of 

 lead for the codling moth. Last year we sprayed only those 

 trees that blossomed, and when we came to harvest the brown-tail 

 moth nests in early winter there were but two or three nests per 

 tree, while trees nearby were well covered, and this year, with the 

 whole orchard sprayed, after the fall of the blossoms, we have 

 destroyed them all except for a few scattering ones where we did 

 not hit the foliage." 



Frank A. Hardy, Derry, N. H. : "This year I sprayed a few 

 young trees in the month of August and killed every caterpillar 

 there was, and now there is not a nest on the trees that were 

 sprayed in August." 



