Ortega, J.C. 1953 Control of frosted scale in southern California: Dormant spray effective for several years after.. Diamond Walnut News 34(6): 6-7.
Notes: Chemical control of Lecanium pruninosum (pruinosum) is discussed.
Ortega, J.C. 1953 Control of frosted scale in southern California: Dormant spray effective for several years after.. Diamond Walnut News 34(6): 6-7.
Notes: Chemical control of Lecanium pruninosum (pruinosum) is discussed.