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Show POISON SPRAYS BENEFIT APPLES Those Who Use Arsenate of Lead Use Too Much at a Time and Usually Spray Too Often. It is very desirable to grow apples free from worms. The codling moth is the insect that lays the eggs in the blossoms from which the worms are hatched. Arsenical poison sprayed on the blossoms is eaten by the young codling moth worms and they die before be-fore doing any damage. A great many fruit growers do not spray at all for the codling moth. It has been found, however, by expe: rience that those who do spray with arsenate of lead use too strong a solution, solu-tion, apply too much at a time and usually spray too often. Four pounds of arsenate of lead to 100 gallons of water make an amply strong solution. A greater proportion of the poison is an actual detriment and waste. The apple tree does not have to be soaked with the poison mixture to kill the larvae of the moth. The minutest minut-est drops of the liquid on the calyx of each blossom will effectually do ,the work. The fineness of the spray is no more importance than the quantity quant-ity used. Each blossom shoud receive re-ceive a little. Some in spraying apply so much of the liquid that it runs down the branches and trunks to the roots of the trees, where it does injury. In most cases two or three pounds of arsenate of lead to 100 gallons of water makes a solution strong enough to destroy all of the worms if applied in the right way. Two sprayings at the right time are sufficient, and a saving of material and labor. The ! general notion that arsenical poison on the trunk and branches of trees is beneficial is a mistake. On the other hand, they do poistive injury, and many trees thus treated die from poisoning. |