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Show ! CO. AGENT ! Tips to 'Home Gardeners Control aphids on roses and other garden plants by means . of nicotine and soap, pyreth-rum, pyreth-rum, or rotenone sprays and dusts, advises Dr. George F. ' Knowlton, extension entomologist entomolo-gist at Utah State Agricultural College. I Leaf hoppers, mites and mil- I dew on roses can be controlled by means of 10 DDT dust containing at least 50 sulphur. sul-phur. This treatment should be applied several times during the season if damage from these pestsis to be avoided. Where sow bugs and slugs are numerous, a metaldehyde bait may be scattered in evening, or the infested ground thoroughly i dusted with 10 DDT. ! Flea beetles damage radishes, turnips, beets and vai ious other I crops. On most garden plants j DDT spray or dust will control i flea beetles effectively. Only on young tomato plants and plants of the squash family should the use of DDT be avoided avoid-ed when flea beetles are numerous. num-erous. In these cases rotenone dust should be used to control the flea beetles. Do not apply DDT on vegetables or fruit part of plants which will be ealen, such as lettuce and berries, ber-ries, etc. Where seed corn maggot has destroyed large seeds of garden gar-den plants, such as corn, beans, peas, melons and squash, during cool, wet weather, replant in a good seed bed, when weather is warm. This is the one way that the situation can be successfully met, once the seeds have been i destroyed. i Earwigs now are appearing 1 in gardens, door yards and on I shade trees. Faimstead fly control con-trol can be advantageously combined com-bined with earwig control in communities and around homes where earwigs are a problem, Dr. Knowlton states. Extensive j p aymg for fly control with , DDT or chlorade aids earwig control. For earwigs, make ' spray applications around foundations foun-dations of all buildings, bases of trees and shrubs, and to mar-g mar-g ns of any woodpiles. This will be of great help in control wherever earwigs are a problem. prob-lem. Urge neighbors to control con-trol earwigs at the same time. This increases control effectiveness effective-ness and slows down re-infestation. |