Brachyrhinus weevils: Spring spray treatment for pest control on nursery grown azaleas, rhododendrons, camellias, heather, other plants
AuthorA. Earl Pritchard
Author AffiliationsA. Earl Pritchard is Assistant Professor of Entomology and Parasitology, University of California College of Agriculture, Berkeley.
Hilgardia 6(4):5-16. DOI:10.3733/ca.v006n04p5. April 1952.
Spray applications in early April and early May of some of the newer insecticides may control the damaging Brachyrhinus weevils attacking certain nursery plants in the San Francisco Bay area.
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
Walnut aphid investigations: 1951 tests on Payne walnuts help develop economical control program under northern California conditions
Insects on baby lima beans: Control experiment using two applications of 5% DDT dust reduced insect injury and increased total yield
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