Harman, S.W. 1928 Midsummer sprays for the peach cottony scale.. Bulletin (New York State Agricultural Experiment Station) No. 552: 1-22.

Notes: Experiments were made to ascertain the tolerance of peach foliage to spray applications of the more promising insecticides, as well as to determine the efficiency of these materials when used during the summer months in combating the peach cottony scale (Pulvinaria amygdali Ckll.?).