• 1975 commercial apple spray schedule 

    Gaus, A. E.; Enns, W. R.; Craig, W. S.; Shabi, Ezra; Shaffer, W. H.; Steiner, P. W.; Palm, E. W. (University of Missouri--Columbia. Extension Division, 1975)
    DORMANT -- GREEN TIP to 1/2 INCH GREEN -- TIGHT CLUSTER to FIRST PINK -- FULL PINK -- BLOOM -- PETAL FALL -- EARLY COVER SPRAYS -- COVER SPRAYS -- LATE SEASON COVER SPRAYS