Vol. 13, Issue 5, 1959May 01, 1959 PDT
ccby-nc-nd-4.0
Soft scales infesting walnut: Chemical control required when natural mortality factors are disturbed by treatments directed against other insect pests
Soft scales infesting walnut: Chemical control required when natural mortality factors are disturbed by treatments directed against other insect pests
A Michelbacher, H McKenzie, C Gonzales,
Michelbacher, A, H McKenzie, and C Gonzales. 1959. “Soft Scales Infesting Walnut: Chemical Control Required When Natural Mortality Factors Are Disturbed by Treatments Directed against Other Insect Pests.” California Agriculture 13 (5): 6–6.