Insects on baby lima beans: Control experiment using two applications of 5% DDT dust reduced insect injury and increased total yield
AuthorWoodrow W. Middlekauff
Author AffiliationsWoodrow W. Middlekaufff is Assistant Prolessor of Entomology, University of California College of Agriculture, Berkeley.
Hilgardia 6(4):7-14. DOI:10.3733/ca.v006n04p7. April 1952.
One half of one per cent of the baby lima beans from a field dusted with DDT showed insect damage—compared to 12% in the check plot—following a control experiment during the 1951 season.
Also in this issue:California crops in 1952: Production capacity attainable this year appraised on basis of trends and changes in past cropping patterns
Improving prune harvesting: Efficiency and cost compared for various hand and mechanical tree shaking and picking methods
Grape bud mite studies: Seasonal cycle searched for weak point to attack pest assumed to be responsible for abnormal growth
Brachyrhinus weevils: Spring spray treatment for pest control on nursery grown azaleas, rhododendrons, camellias, heather, other plants
Walnut aphid investigations: 1951 tests on Payne walnuts help develop economical control program under northern California conditions
Corn earworm control on sweet corn: DDT leads list of effective of insecticides with methods of application as dusts pray important factors
Quick decline studies: Rootstock investigations test various top-root combinations in search of tolerant citrus varieties
Factors affecting California raisin sales and prices, 1922-1929
Factors affecting annual prices of California fresh grapes, 1921-1929