California Agriculture, JANUARY-FEBRUARY 1985
Volume 39, Number 1
peer-reviewed research articles
The merits of 3X vs. 2X milking
by Edward J. DePeters, Nathan E. Smith, Juan Acedo-Rico
A complete-lactation study showed 3X daily milking increases milk production and efficiency but requires good nutrition and reproduction management.
Snails and slugs in ornamentals
by Michael P. Parrella, Karen L. Robb, Pat Morishita
Some pesticides tested gave good control, but maintaining a snzil- and slug-free area for certification requires knowledge of both pest and chemical.
Predators of the two-spotted spider mite on strawberry
by Earl R. Oatman, Max E. Badgley, Gary R. Platner
Several insect and mite species attack two-spotted spider mites in southern California strawberries and could prove useful in integrated control.
Labor trends affecting agriculture
by John W. Mamer, Philip L. Martin
Many harvest jobs have been upgraded, but progress is being undercut by the inflow of illegal aliens.
New findings on pistachio problems
by Richard E. Rice, Jerry K. Uyemoto, Joseph M. Ogawa, Wynette M. Pemberton
A little over a year ago, the leaffooted bug (on the cover) was, for the first time, implicated in epicarp lesion of pistachios. Now it has been learned that several other species of true bugs can also cause some pistachio nut disorders. A fungus is the culprit in other cases. Still others remain a mystery. Cover photo by Jack Kelly Clark.
Pest management practices in processing tomatoes
by Mary Louise Flint, Karen Klonsky
Growers' pest problems and management practices varied by region; sources of IPM information did not.
Pest management in the urban forest
by Donald L. Dahlsten, Ann E. Hajek, Daniel J. Clair, Steve H. Dreistadt, David L. Rowney, Vernard R. Lewis
Studies are focusing on pest biology and sampling methods to develop environmentally safe controls
Thrips damage in Chenin blanc grapes
by Philip S. McNally, Candice Fogg, Jennifer Flynn, Julie Horenstein
Early-season thrips feeding temporarily reduced shoot growth but didn't affect berry maturity.
Black vine weevil management in nursery plants
by Michael W. Stimmann, Harry K. Kaya, Thomas M. Burlando, John P. Studdert
Parasitic nematodes or pesticides gave some larval control in tests, but the best tactic is to monitor adult weevils and apply an adulticide.
Producing quality alfalfa in California's mountain valleys
by Vern L. Marble, Kenneth G. Baghott, Roger W. Benton, P. Dean Smith, Russell H. Gripp
Harvesting earlier and more often produced highest yields of hay, total digestible nutrients, and crude protein in mountain valleys.
Sales potential for California specialty cheeses
by Daniel S. Putler, John W. Siebert, Daniel J. Aguiar
Some types are likely prospects for profitable new manufacture, according to a survey of the market.
editorial, news, letters & science briefs
Genetic engineering: One leg of a three-legged stool
by Lowell N. Lewis