These photos show one of the most important steps in the production of a new corn hybrid. In the left photo, the top of an emerging female shoot is cut off. In the center photo, a plastic bag is placed over the shoot to prevent Part of the work crew at the Funk a bite of lunch, corn research laboratory pausing for PENN-JERSEY HARVESTORE SYSTEMS, Inc. P. O. BOX 91 HARVESTORE Fed Cows Produce More Milk NEW HOLLAND, PA. PHONE 717-354-5171 stray pollen from falling onto the silks as they emerge. The photo at the right shows a plant with silks almost ready for pollination. Corn [Continued from Page 16] susceptible to a particular disease, there’s almost certain to be dozens of others that are resistant. So even if some crop is wiped out, you’ve still got a lot of com grown.” Leaf blight and stalk rot are two problems faced by Pennsylvania com growers, so Edmondson checks his hybrid candidates for resistance to the diseases. He inoculates the plants with the diseases, and unless they can stand up to the stress of inoculation, they are never released for sale in this area. Another stress Edmondson is working on is late plan ting. “Fanners here do a lot of double-cropping,” he explained. “You especially FORAGE WAGONS READY FOR DELIVERY AT OLD PRICES SAVE UP TO 9% Your HOLLAISD Dealer C. E. WILEY & SON Inc. Quarryville, Pa. Phone; 786-2895 Lancaster Farming. Saturday, August 3,1974 find a lot of com planted after barley. We planted some com in late June and early July. We’re trying to see if we can get a variety that will stand up to late planting and still give us a respectacle yield.” There is a lot of handwork involved in operating a com breeding laboratoy, and Edmondson has the bands of ■■■"ATTKNTIOII'fIBi DAIRYMEN'S SUPER SPECIALS "MAES INFLATIONS" 95 c each 24-Post Paid. Cash w/order. FITS; SURGE. JET-FLO, BOUMATIC, DELAVAL. Fly Sprays, Powers, Cattle Dust Bags, Siiaxe Preservative, Mineral Feeders, Farm Gates, Hog Feeders, Heated Waterers. ZIMMERMAN’S Animal Health Supply 3 Miles W. of Ephrata along WOOOCORNER ROAD RD M, Utib, Pa. 17543 Phone 717-733-4466 30 local high school boys helping him every summer. They lop off tassles, cover female shoots with plastic bags to prevent them from being fertilized by stray pollen, then fertilize the shoots at the proper time with pollen taken from a particular plant. About half the youngsters come from area farms. 17