. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. vae may be lo-cated by their borings orsawdust. When found theycan be easily traced witha wire and killed. Afterthis the soil is againthrown back to the treesand mounded slightly tomake the work easier nexttime. This operationshould be systematicallyfollowed every spring andfall. The plum curculio is theworst enemy of the fruititself. This little beetlelays eggs on the surface ofthe
. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. vae may be lo-cated by their borings orsawdust. When found theycan be easily traced witha wire and killed. Afterthis the soil is againthrown back to the treesand mounded slightly tomake the work easier nexttime. This operationshould be systematicallyfollowed every spring andfall. The plum curculio is theworst enemy of the fruititself. This little beetlelays eggs on the surface ofthe fruit when it is aboutthe size of the garden young hatch and eattheir way into the fruit ata wound made by theadult. The larva feeds onthe flesh of the fruit,chiefly near the often causes the fruitto fall to the ground, and entirely ruins it for market purposes. As the adults lay their eggs chiefly in the morning twilight theycan be destroyed by jarring the tree and catching the adult onstretchers made for the purpose. This method only partially con-trols the pest. Another remedy is to spray the tree thoroughly with a poisoncontaining arsenate of lead at the time the petals fall from the. Fig. 146.—The peach tree borer: (1) femalemoth at rest; (2) male moth; (3) larva, or grub,feeding its burrow; (4) cocoon; (5) cocoon withpupa emerging; (6) empty pupal case protrudingfrom a burrow. (Ohio Station.) 218 THE PEACH ORCHARD trees, or soon after. A second spray is usually necessary aboutten days later. Use two to three pounds arsenate of lead in 40gallons of water or in 40 gallons of Bordeaux mixture. Brown Rot of Peaches.—This is probably the worst fungousdisease of the peach (Fig. 148). It is most serious upon the earlyripening varieties, but is found to some extent on nearly all varie-ties unless they are thoroughly sprayed with Bordeaux best plan is to select varieties which are least affected by the
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