. Productive agriculture . isfigures theleaves, which often grow twice theirnormal size. Spray with BordeauxMixture just before the buds Rot is a soft rot which destroys the peach fruit, just afew days before maturity. It is most prevalent during hot, wetweather. There is no cure for Brown Rot. Spraying treeswith self-boiled hme just after the blossoms have fallen, andagain three or four weeks later, will control it somewhat. Peach Scab causes large blotches on peaches, and often causesthem to crack open. The treatment for scab is the same as forBrown Rot. The Plum Curculio ruins pe
. Productive agriculture . isfigures theleaves, which often grow twice theirnormal size. Spray with BordeauxMixture just before the buds Rot is a soft rot which destroys the peach fruit, just afew days before maturity. It is most prevalent during hot, wetweather. There is no cure for Brown Rot. Spraying treeswith self-boiled hme just after the blossoms have fallen, andagain three or four weeks later, will control it somewhat. Peach Scab causes large blotches on peaches, and often causesthem to crack open. The treatment for scab is the same as forBrown Rot. The Plum Curculio ruins peaches by its stings, and scatters theBrown Rot. If the curcuho is controlled, the Brown Rot dis- FRUIT GROWING 375 appears. (Fig. 180.) To combat the Plum Curculio, spray witharsenate of lead, using the following composition: Arsenate of lead 15 lb. Lime 2 lb. Water 50 gallons Spray the first time when the calyx tubes are falling off, andagain three weeks later. If needed, a third spraying may beapplied. (See Exercise 10.). Fig. iSi.—The Plum Curculio. Enlarged and natural size. Original. Plums. — Plums are planted like peaches. They thrive bestin moist places, on north slopes, and along streams. A classi-iication of plums in the order of their maturity fohows: American Plum Varieties Milton Robinson Forest Missouri ApricotJapanese Plum Varieties Abundance ChabotEuropean Plum Varieties Green Gage Lombard Wild Goose Newman Wayland Burbank German PruneShropshire Damson 376 PRODUCTIVE AGRICULTURE The principles of sprajdng suggested in the preceding sectionsapply to spra3dng for the enemies of plums. Cherries. — Cherries grow best in a medium dry, porous, well-drained soil. They should be set from fifteen to twenty feetapart. After the third or fourth year, there is Httle need forcultivation. If they are cultivated after this, the tillage shouldbe very shallow, because the roots of cherries grow very near thesurface of the soil. The best varieties are:Early Richmond Wragg Mo
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