The following methods shall be used for the prevention, control or disinfection of pests and diseases:
(1) Bacterial diseases, removal and destruction of infected plant or part thereof, care being used to disinfect removal tools to prevent infection therefrom;
(2) Fungus diseases, spraying with effective fungicide;
(3) Chewing or sucking insect pests, spraying with effective insecticide;
(4) Fungus insect pests, spraying with other effective solutions or emulsions described in circulars issued by the director.
[ 1961 c 11 § 15.08.020. Prior: 1923 c 37 § 3, part; 1921 c 141 § 4, part; 1915 c 166 § 5, part; RRS § 2843, part.]