World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
34
Citations
5135
World Ranking
5329
National Ranking
1295

Best Publications

  • Climate Change and Bark Beetles of the Western United States and Canada: Direct and Indirect Effects

    Barbara J. Bentz;Jacques Régnière;Christopher J Fettig;E. Matthew Hansen

  • Sesquiterpene lactones and systematics of the genus Artemisia

    Rick G. Kelsey;Fred Shafizadeh

  • Ethanol in ponderosa pine as an indicator of physiological injury from fire and its relationship to secondary beetles

    Rick G Kelsey;Gladwin Joseph

  • Crude terpenoid influence on mule deer preference for sagebrush.

    Timothy L. Personius;Carl L. Wambolt;Jeffrey R. Stephens;Rick G. Kelsey

  • Phytotoxic properties of cnicin, a sesquiterpene lactone fromcentaurea maculosa (spotted knapweed).

    Rick G. Kelsey;Laura J. Locken

  • The Chemical Constituents of Sagebrush Foliage and Their Isolation

    Rick G. Kelsey;Jeffrey R. Stephens;Fred Shafizadeh

  • Response of some scolytids and their predators to ethanol and 4-allylanisole in pine forests of central Oregon.

    Gladwin Joseph;Rick G. Kelsey;Robert W. Peck;Chris G. Niwa

  • Enhancement of cellulose accessibility and enzymatic hydrolysis by simultaneous wet milling

    Rick G. Kelsey;Fred Shafizadeh

  • Ethanol synthesis in Douglas-fir logs felled in November, January, and March and its relationship to ambrosia beetle attack.

    Rick G. Kelsey

  • Antimicrobial activity of extractable conifer heartwood compounds toward Phytophthora ramorum.

    Daniel K. Manter;Rick G. Kelsey;Joseph J. Karchesy

  • Ethanol accumulation during severe drought may signal tree vulnerability to detection and attack by bark beetles

    Rick G. Kelsey;D. Gallego;F.J. Sánchez-Garcia;J.A. Pajares

  • Taxol and Cephalomannine Concentrations in the Foliage and Bark of Shade-Grown and Sun-Exposed Taxus brevifolia Trees

    Rick G. Kelsey;Nan C. Vance

  • US Forest Service bark beetle research in the western United States: Looking toward the future

    Jose F. Negron;Barbara J. Bentz;Christopher J. Fettig;Nancy Gillette

  • Glandular trichomes and sesquiterpene lactones of Artemisia nova (Asteraceae).

    Rick G. Kelsey;Fred Shafizadeh

  • Attraction of Scolytus unispinosus bark beetles to ethanol in water-stressed Douglas-fir branches

    Rick G. Kelsey;Gladwin Joseph

  • Plant protein and secondary metabolites influence diet selection in a mammalian specialist herbivore.

    Amy C. Ulappa;Rick G. Kelsey;Graham G. Frye;Janet L. Rachlow

  • Response of Douglas-fir to infection by Armillaria ostoyae after thinning or thinning plus fertilization.

    J. A. Entry;K. Cromack;R. G. Kelsey;N. E. Martin

  • Hydraulic conductivity in roots of ponderosa pine infected with black-stain (Leptographium wageneri) or annosus (Heterobasidion annosum) root disease.

    Gladwin Joseph;Rick G. Kelsey;Walter G. Thies

  • Seasonal and tissue variation in taxane concentrations of Taxus brevifolia

    Nan C. Vance;Rick G. Kelsey;Thomas E. Sabin;Thomas E. Sabin

  • Influence of sagebrush terpenoids on mule deer preference

    Robert O. Bray;Carl L. Wambolt;Rick G. Kelsey

  • Involvement of volatile compounds of Artemisia in browse preference by mule deer

    Jackson P. Scholl;Rick G. Kelsey;Fred Shafizadeh

  • Ethanol Attracts Scolytid Beetles to Phytophthora ramorum Cankers on Coast Live Oak

    Rick G. Kelsey;Maia M. Beh;David C. Shaw;Daniel K. Manter

Frequent Co-Authors

Fred Shafizadeh
Fred Shafizadeh University of Montana
Daniel K. Manter
Daniel K. Manter Agricultural Research Service
Janet L. Rachlow
Janet L. Rachlow University of Idaho
Barbara J. Bentz
Barbara J. Bentz US Forest Service
Steven J. Seybold
Steven J. Seybold US Forest Service
Marc C. Dolan
Marc C. Dolan Centers for Disease Control and Prevention
Lisa A. Shipley
Lisa A. Shipley Washington State University
Eric D. Forsman
Eric D. Forsman US Forest Service
Kris M. Havstad
Kris M. Havstad Agricultural Research Service
Jorge M. Vivanco
Jorge M. Vivanco Colorado State University

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