Insecticide resistant houseflies: Development of resistance to organic insecticides other than DDT by houseflies in southern California
AuthorsRalph B. March
Robert L. Metcalf
Authors AffiliationsRalph B. March is Junior Entomologist in the Experiment Station, Riverside; Robert L. Metcalf is Associate Entomologist in the Experiment Station, Riverside.
Hilgardia 3(11):3-3. DOI:10.3733/ca.v003n11p3. November 1949.
Houseflies which have developed resistance to DDT residual sprays have also become resistant to other organic insecticides.
March R, Metcalf R. 1949. Insecticide resistant houseflies: Development of resistance to organic insecticides other than DDT by houseflies in southern California. Hilgardia 3(11):3-3. DOI:10.3733/ca.v003n11p3
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Deer and antelope meat studies: Season of highest palatability and food value subject of investigation of California antelope and deer
Hot weather effects on swine: Controlled air temperatures and relative humidity aid in study of weight gains and well being of hogs
Sexing of poultry: Accurate identification at hatching possible by visible effects of heritable characters
Figs for dairy cows: Substandard figs in feed give orchard by-product new value
Olive irrigation experiments: Indicate trees respond to readily available moisture with larger and heavier fruit
Temperature and bud rest period: Effect of temperature and exposure on the rest period of deciduous plant leaf buds investigated
Citrus leaf analysis: Nutrient deficiencies, excesses and fertilizer requirements of soil indicated by diagnostic aid
Orange tortrix on apples: Effective control obtained by spray treatment in fall and spring tests on experimental plot
Phomopsis canker of fig: Fig tree canker caused by wound parasite can be controlled by proper treatment
Cucumber seed: Effect of the number of fruit per plant on yield and quality
Lettuce seed and its germination