The school and farmA treatise on the elements of agriculture . .- larva; b. thepupa; d. the per-fect beetle. 148 FRUIT. right position. The grub enters the fruit and works itway to the core. Many apples so attacked drop. Theyshoukl be gathered and fed to the pigs to prevent thespread of the pest. The canker worm feeds on leavesand often destroys the greater part of the can be held in check, if not entirely destroyed, bythorough sprayings with a mixture composed of: Copper sulphate (or bluestone) . 4 pounds. Fresh lime 4 pounds. Water 40 pounds. Paris green 4 ounces. Instead
The school and farmA treatise on the elements of agriculture . .- larva; b. thepupa; d. the per-fect beetle. 148 FRUIT. right position. The grub enters the fruit and works itway to the core. Many apples so attacked drop. Theyshoukl be gathered and fed to the pigs to prevent thespread of the pest. The canker worm feeds on leavesand often destroys the greater part of the can be held in check, if not entirely destroyed, bythorough sprayings with a mixture composed of: Copper sulphate (or bluestone) . 4 pounds. Fresh lime 4 pounds. Water 40 pounds. Paris green 4 ounces. Instead of Paris green many use London purple,both containing arsenic. Without the latter the mixt-ure may be applied to prevent the scab on leaf andfruit in the apple, and the rot and other fungous dis-eases in peachesand plums. Suck-ing insects, thatinjure the tree bysucking the sap ofthe leaves, etc.,may be killed byspraying with anemulsion of: Hard soap, ^lb. (or soft soap,I lb.) Boiling softwater, i gallon. Coal oil, 2 gal-lons. In spraying aforce pump shoul4. Fig. 22—The codling moth, a is theburrow; 6, the entrance hole; e, thelarva; d, the pupa; /, moth at rest; <i,moth with wings spread; h, head oflarva; i, cocoon containing pupa. THE APPLE. 149 be used and particular care taken to reacn every partof the tree. It requires practice and close attentionboth in mixing the material and in applying it, tosecure the best results, which are such as to pay richlyfor the trouble. The following remarks on Spraying and SprayingMixtures, by practical farmers and fruit growers,may be profitably read in connection with what hasbeen said here. BORDEAUX MIXTURE. In order to prepare Bordeaux mixture suspend asmany pounds as you need to use of the sulphate ina gunny sack in a barrel containing a gallon of waterfor each pound of sulphate. The sulphate will beready for use in a short time and will remain in solu-tion and keep during the summer. The next step is to slack in a long box as manyp
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectagricul, bookyear1902
