Comrol weeds With Infects In muy countries, including gM United States, weed-eating Insects have . proved valuable |er weed control. ARS scientists are now try* ftg to team why insects choose (bedr host plaints. Their basic research may lead to wider «tnd more effective use of in* sects as a biological weapon Against weeds. An example is research on (he .green dock beetle and the three-dined potato beetle, con ducted ait Albany, Calif., in EOTER WV; V ~$M iillill #| ? cl GIFT CERTIFICATE - ll fOrth UP fP Ist pita*.... 4300 , f fndprlz#,,,. |9O 3rd, 4th, sth prize. ••• 75 6th, 7th, Bth prize.,,, 80 «•$»» *SD«G6 ®« a* -SSXS- T ‘ «l ;i tl I s PENNSYLVANIA POWER & LIGHT COMPANY “INSTANT SUNSHINE” ENTRY BLANK Customer’s N«m». •ter* Mrirm. 4 with the electric appliance retailer of your choice no later than ; 19; 1966. Drawing will be held on or About December 1,1966. It' Certificate redeemable only on electric appliances. redeemablejnly in store where originallyentered. i Switch an with a Clotha Dryer oeiyrAssi witi tbe- QaMdocni«.<pifaMWKi ■«r iwn-nutrittovM, •Agricultural Experiment Sta- and will lay eggs on plants flop- unsuitable lor larval develop * These • insects were chosen meat for study because their main When synthetic diets were host plants arc weeds, and be- tested, lit was found that lar cause - they have restricted vae and adults of the dock feeding and egg-laying habits, beetle responded while larvae and are easily raised in lab- and adults of the potato beetle oratories. Both are leafeaters, did not. This indicated that develop rapidly, and deposit the dock beetle is attracted by their eggs in conspicuous clus- some chemical in the host ters. plant In the ‘ studies, researchers The scientists were not able gave the insects access to vaii- to determine whether plants ous.plants -to learn how par- give off scents that attract the tkular they were in choosing insects. When placed in a cage their diets. They found that with a fan at one end, the in the insects will feed to a lim- sects found a plant rapidly itod extent on plants that are when it was upwind; slowly Switch on mtcuti A With a Flameless ELECTRIC CLOTHES Dl •v Add summertime comfort to your winter washdays. An i convenient and weather-free. And your clothes d 1 y Ij - \\ ' Ifiuplieattprim givtn in tack bf PPAVS tix divitiom— 4i PRIZES IN ALL& Complete the entry blank below end take lift to your participating electric appliance xa». • tailor’s store (or pick one up there). While you’re in the appliance retailer’* store, why not see his line of flameless else* trie clothes dryers. DRAWING CLOSES NOVEMBER 19, 1966 ELIGIBILITY —Any person served by PPAL (excluding PP&L employees and their families, and PPA.L sales alhcs) is eligible :o enter the drawing. si • Lancsstter Perming, Saturday, November 5, 19Gb’— 17 or not at all when it was down wind. But the insects moved upwind even when there were no plants in the cages. In future research, scientists will try to learn how the hab its of weed-eating insects are influenced by the size, shape, color, and texture of plant parts; by nutrients in plants and by chemicals in plants that may attract, repel, or stimulate insects. • PP&L (Continued from Page 13) picnic tables, fireplaces, por- NOTHING TO BUY PP*L AN WVCtTOIt>«WNia ILECTRIC UTILITY IN TH* AIIWIPI . mr TNI PUBLIC table toilets and refuse con tainers. Two boat launching ramps with associated docking facilities will be installed on the mainland with facilities for docking also on the is lands, Shunk said. With la\oi> able weather, he added, woik should be completed for tho opening of next summer's pic nic season. Label and Store Pesticides It may be safer to desli o y the lew pesticides that aie left around the farm or home fiom summer use than to run risk o£ children or animals getting in to them before they ai e needed next season. If you do keep them, label properly, and store where childien and animals cannot reach them. Robert K. Rohrei Bulldozing - Grading Pafz Sales & Service Barn Cleaners - Silo Unloaders - Cattle Feeders Quarryville, R. D. 1 Hensel 548-2559 Fertilizers For Fall Seeding 3-12-12 5-10-10 0-14-14 5-15-5 0-20-20 Available in Bags Bulk or Spread ' J Call Us Today ORGANIC PLANT \ FOOD CO. 1 GROFFTOWN RD., NEXT TO WATERWORKS Ph. 392-4963 or 392-03T4 1 Don’t Neglect Your Eyes Visit Your Eye Doctor if you aie in doubt. Doctor’s Prescriptions Filled Adjustments, Repairs DAVID’S OPTICAL CO. Always See Better 403 N. DUKE STREET . Lancaster Phone 394-2767 1
Significant historical Pennsylvania newspapers