Gould, H.P. 1901 Suggestions about combating the San José scale.. Bulletin of the Maryland Agriculture Experiment Station No. 73: 153-166.
Notes: Detailed discussions of chemical control of Aspidiotus perniciosus.
Gould, H.P. 1901 Suggestions about combating the San José scale.. Bulletin of the Maryland Agriculture Experiment Station No. 73: 153-166.
Notes: Detailed discussions of chemical control of Aspidiotus perniciosus.