California Agriculture, September-October 1986
Volume 40, Number 9
peer-reviewed research articles
Fostering lambs by odor transfer
by Edward O. Price , Nancy L. Martin , G. Craig Dunn , Martin R. Dally , Fremont L. (Monte) Bell , Margaret Sublette
Cloth stockinettes help get ewes to adopt “alien” lambs
Plant spikes for commercial nurseries
by Michael P. Parrella , Alison Smith , Rod Ferrentino , Jeff Yost
Systemic insecticides incorporated into plant spikes offer limited control of hard-to-kill nursery pests.
Horn fly resistance to pyrethroids
by Lorry L. Dunning , Walter H. Johnson , Ronald S. Knight , Edmond C. Loomis , Neil K. McDougald , P. Dean Smith , Charles B. Wilson
Varying levels of resistance to pyrethroid cattle ear devices have been found in northern California.
Uniformity of continuous-move sprinkler machines
by Blaine R. Hanson , Wesley W. Wallender , Leslie L. Ede
Linear-move and center-pivot machines differed in nonuniformity patterns and thus in possible yield effects.
Potassium deficiency syndrome of cotton
by Bill L. Weir , Thomas A. Kerby , Bruce A. Roberts , Duane S. Mikkelsen , Richard H. Garber
Symptoms occur despite seemingly adequate soil levels
Influence of phosphorus and nitrogen on celery
by Steven E. C. Post
Added phosphorus and nitrogen maintained yields and increased size
Lures and traps for monitoring tomato fruitworm
by Michael P. Hoffman , Lloyd T. Wilson , Frank G. Zalom , Les McDonough
A commercial lure in a liquid trap should be effective for most uses.
Using DRIS to assay nutrients in subclover
by Milton B. Jones , D. Michael Center , Charles E. Vaughn , Fremont L. Bell
It works well in diagnosing phosphorus and sulfur status
Selection of the common green lacewing for resistance to carbaryl
by Elizabeth E. Grafton-Cardwell , Marjorie A. Hoy
Laboratory selection has resulted in strains of this insect predator able to survive field rates of a pesticide.
editorial, news, letters & science briefs
Our knowledge of the Pacific Rim is inadequate
by Lowell N. Lewis