1-5 of 5 Books

Diffuse and spotted knapweed biological control project manual
By United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs. Biological Control Operations
Comparative seedling growth of diffuse knapweed and bluebunch wheatgrass under altered moisture and temperature regimes
Comparative seedling growth of diffuse knapweed and bluebunch wheatgrass under altered moisture and temperature regimes
By Arnold A. Grammon
Biologie, Ökologie und Wirtskreis von Chaeteorellia acrolophi White und Terellia virens (Loew) (Diptera: Tephritidae), zwei potentiellen Kandidaten für die biologische Bekämpfung von Centaurea maculosa Lam. und C. diffusa Lam. (Asteraceae) in Nordamerika
Biologie, Ökologie und Wirtskreis von Chaeteorellia acrolophi White und Terellia virens (Loew) (Diptera: Tephritidae), zwei potentiellen Kandidaten für die biologische Bekämpfung von Centaurea maculosa Lam. und C. diffusa Lam. (Asteraceae) in Nordamerika
By Kirsten Marquardt
Proceedings
Proceedings
By Knapweed Symposium (1977 Kamloops, B.C.)
Biological control of spotted and diffuse knapweeds
Biological control of spotted and diffuse knapweeds
By United States. Animal and Plant Health Inspection Service