Publisher's Synopsis
Excerpt from Soluble Poisons in the Poisoned Bait Spray to Control the Adult of the Apple Maggot (Rhagoletis Pomonella Walsh)
O'kane* used a mixture of arsenic, molasses and water distributed over the leaves of the tree, to control the apple ?y in New Hampshire. Through the cooperation of growers this plan of Spraying was tried at several different points. In most the results were negative. It seems probable that in these ih stances the possible value of the treatment was obscured by the proximity of other infested trees not so treated. Also owing to the pressure of other work the grower was unable to apply the spray as often as would be needed in order to keep the poisoned sweet ready for the ?ies throughout their egg-laying season. In one instance, however, the treated tree stood alone, and this tree was given repeated sprayings as primarily planned. The variety was August Sweet and the fruit had been worth less for years. This tree yielded this season practically perfect fruit.
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