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Filtering by: Creator Davis, George B. (George Balfour), 1915- Degree Field Entomology

Conservation of arthropod natural enemies in broccoli with relay strip-cropping

Creator:

McGrath, Daniel M. (Daniel Morton)

Abstract:

Relay strip-cropping combines two vegetation management tactics, under-sowing and strip-management. In this study conducted from 1994 though 1997, a cover crop seed-mixture containing oats (Avena sativa L. var. "Monida"), common vetch (Vicia sativa L.), red clover (Trifolium pratense L.), annual ryegrass (Lolium multflorum Lam.), and buckwheat (Fagopyrum esculentum Moench) was...

Resource Type:

Dissertation

Full Text:

. Kenneth B. Johnson, and Dr. Jeffrey C. Miller for their suggestions and comments. My wife Darryla, who
Certain factors affecting colonization of Ponderosa pine by Ips confusus (Leconte) (Coleoptera : Scolytidae)

Creator:

Pitman, Gary Boyd

Abstract:

The purpose of this study was to study in some detail host factors which influence the population dynamics of bark beetle. The dissertation objectives were to ascertain the applicability of utilizing osmotic pressure values and relative turgidity values of phloem tissue as indicators which reflect upon the physiological profile of...

Resource Type:

Dissertation

Full Text:

of California at Davis for supplying the blue-stain cultures used in this study. To Dr. Donald