OCR Text |
Show CONTROL CHERRY LEAF SPOT Dlseaso Lives Over Winter In Dead Leaves on Ground Turn Under Un-der All Possible. Clean cultivation Is a valuable factor fac-tor lu controlling cherry leaf spot. Since the disease lives over winter In the old dead leaves on the ground, methods that tend to destroy these leaves before the "winter spores" are discharged are to be recommended. Studies have shown that the first discharge dis-charge of spores takes place about the time that the blossom buds begin to break. While It is not practical to practice sanitation with such thoroughness thorough-ness as to make spraying unnecessary, It Is possible greatly to strengthen the spray schedule by turning under as many of tbeso old dead leaves us Is feasible, prior to the tlrst discharge of spores. |