California Agriculture, January-February 1981
Volume 35, Number 1
peer-reviewed research articles
Price savings at California consumer co-ops
by Robert Sommer , William E. Hohn
Consumer cooperatives surveyed offered price savings but fewer choices and less convenience than supermarkets.
Effectiveness of pheromone mass-trapping of the smaller european elm bark beetle
by Martin C. Birch , Timothy D. Paine , Jeffrey C. Miller
Mass-trapping doesn't suppress populations of the smaller European elm bark beetle but is useful as a monitor.
Fungicide protects grapevines from Eutypa
by William J. Moller , Amand N. Kasamatis
Benlate applied to large pruning wounds protected grapevines.
The case for regional groundwater management
by B. Delworth Gardner , Richard E. Howitt , Carole Frank Nuckton
Flexible regional management would permit stopping overdrafting at the point where benefit to all users is at a maximum.
Is overdrafting groundwater always bad?
by Richard E. Howitt , Carole Frank Nuckton
Pumping more than the annual water recharge may not be detrimental until costs of pumping from deeper levels exceed short-term benefits.
Sex pheromone offers promise for control of artichoke plume moth
by Kenneth F. Haynes , Martin C. Birch , Jerome A. Klun
The artichoke plume moth may be foiled by field-wide use of a synthetic sex pheromone to confuse male moths.
Zorro annual fescue for emergency revegetation
by Burgess L. Kay , Walter L. Graves , Theodore E. Adams , Michael Garver , Kenneth Croeni , Robert D. Slayback
Zorro annual fescue outperformed other grasses in problem areas.
Managing range and pasture to suppress tarweed
by Gregory K. Perrier , William A. Williams , Steven R. Radosevich
Spring herbicide, summer mowing, and chisel plowing treatments gave the greatest reduction in tarweed density.Properly timed management practices suppress this sticky range pest.
Cold storage of French prunes may expand dehydrator capacity
by F. Gordon Mitchell , G. Steven Sibbett , Gene Mayer
Improved fast-cooling methods make it praetical to harvest French prunes at optimum maturity and cold-store them for up to three weeks before dehydration.Harvested at optimum maturity and rapidly cooled, French prunes can be cold-stored for up to three weeks before drying.
Impact of increasing energy costs on pump-irrigated agriculture
by Charles V. Moore
Higher energy costs may cause crop shifts, especially in the heavily pumpirrigated Sacramento and San Joaquin valleys
Parasitic nematode may control carpenterworm in fig trees
by James E. Lindegren , Tom T. Yamashita , William W. Barnett
Carpenterworms, protected in tunnels deep inside fig trees, are sought out and killed by parasitic nematodes applied to gallery openings.
The citrus clonal protection program
by Walter Reuther
Refinements in disease detection and plant propagation have led to faster, cheaper methods of producing disease-free budwood.Most new citrus orchards planted in California use certified disease-free budwood developed by this program.
editorial, news, letters & science briefs
Revitalizing U.S. agricultural and food research
by J. B. Kendrick
Donations for agricultural research, July 1, 1979—June 30, 1980