| Show Ir ARS ARSENICAL NIC L S SPRAY SPRAY TO CONTROL PLUM PEST II Spraying with arsenate te of or lead leuel with R It soap spreader and sticker proved most effective in tests conducted b by y the Ohio experiment station to control con con- the plum plura a n beetle that attacks plums cherries applies anti and ether fruits causing them to fall off or to be gnarled wormy and worthless for market Two or three pounds of or arsenate of lead paste ste is la mixed with 50 3 bor bor- deaux denux and und two pounds of soft soap and und applied Just after atter the plums or cherries have bloomed then again in In about two weeks and If necessary in the latter part of ot July to destro destroy young beetles emerging from the ground at that time The bordeaux mixture added to control rots Is run male im by dissolving two pounds of copper cop cop- per sulphate blue vitriol Mn In in hot lieu water wa wa- wa ter tel adding this solution to the milk of lime obtained by slaking three pounds of quicklime and anel then dilutIng diluting ing the mixture of 01 these materials with water to make 50 gallons Where There r 1 these spra sprays s 's Were vote applied a at t the times Indicated d beetles were completely completely com- com pl tel checked clucked In a single season and avid so little injury occurred the next year that only one spraying after bloom was necessary This Insect which Is generally ells dis- s. s throughout eastern United States emerges from winter quarters and begins fe feeding on young fruit and loaves leaves in April and Ma May much depending depending de de- pending upon weather conditions Eggs are ure laid in a n hole cut in the young fruit These punctures alone lead to deformed fruit and ancl the larva feeding within causes further further fur fur- ther tiler Injury Often the largest part of the crop of fruit falls because of ot such attacks and the Inset t t afterward leaves It the fruit and completes Its life lifecycle lifecycle lifecycle cycle in the ground Gathering and and destroying fallen fruit and cultivating the orchard frequently frequently fre fre- In July and early August leave havo also proved helpful methods of ot keepIng keep keep- ing the pest In check s y a n nf A f M ay e w L Ye Y w k ky h v A I y 1 4 BOYS AT WORK THINNING PLUM CROP |
