Systemic insecticides: Control of plant feeding pests by poisoning plant juices studied
AuthorsRobert L. Metcalf
Robert B. Carlson
Authors AffiliationsRobert L. Metcalf is Associate Entomologist, University of California College of Agriculture, Riverside; Robert B. Carlson is Laboratory Technician, University of California College of Agriculture, Riverside.
Hilgardia 4(11):3-10. DOI:10.3733/ca.v004n11p3. November 1950.
Systemic insecticides— compounds which can be absorbed readily by plant foliage and roots and subsequently trans-located throughout the plant—render the plant tissues poisonous or unpalatable to juice feeding insect pests.
Also in this issue:Farm prices and production: Index numbers of prices received by farmers and of production indicate relative changes
Olive flower-bud formation: Nutrients essential to tree during March and April when flower-buds are forming tests show
Analyses of irrigation water: Waters of six rivers and nine wells in California studied to establish their usefulness for irrigation
Smog in the south coastal area: Injury to herbaceous plants in the affected area found to be result of air pollution by gases and aerosols
Diagnoses of insect diseases: Microbial infections in insects diagnosed as part of the research in developing new ways of controlling crop pests
Orange fruit size: Five-year study of small fruit size covered 429 groves in six counties
Wind machines cost analysis: Cost records studied for effectiveness of machines in frost protection, operation and maintenance
Effects of various treatments on the carbon dioxide and oxygen in dormant potato tubers