The school and farmA treatise on the elements of agriculture . barrels and kept in a cool place where frost cannothurt them. The apple has many enemies, the mostserious ones being the borer and the codling former is a beetle that lays an tgg in the trunknear the surface. A grub develops and burrows underthe bark in a circling movement. If there are severalof them they will often break the connection betweenthe bark above it and the bark below so that the treemust die. Frequent examination and cutting out (theuse of a sharpened wire is recommended) will be nec-essary. A preventive that
The school and farmA treatise on the elements of agriculture . barrels and kept in a cool place where frost cannothurt them. The apple has many enemies, the mostserious ones being the borer and the codling former is a beetle that lays an tgg in the trunknear the surface. A grub develops and burrows underthe bark in a circling movement. If there are severalof them they will often break the connection betweenthe bark above it and the bark below so that the treemust die. Frequent examination and cutting out (theuse of a sharpened wire is recommended) will be nec-essary. A preventive that has been tried with successis to tie a piece of heavy paper,building felt, tar paper or manillapaper, around the trunk (whichshould have been first carefullyexamined and thoroughly washedwith whale oil soap), making surethat it goes down as far as possi-ble and fits it tight. It is of coursenecessary to repeat this everyyear, and in time to be ahead ofthe borer. The codling moth lays its eggin the calyx of the young applewhile the .latter has still its up-. V Fig. 21—The Flat-Headed 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
Size: 1298px × 1924px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectagricul, bookyear1902
