Biological Control of Yellow Starthistle (Centaurea solstitialis) in the Salmon River Canyon of Idaho
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A Structural Growth Model of the Invasive Weed Species Yellow Starthistle, Centaurea solstitialis L
Yellow starthistle (Centaurea solstitialis L.) is a summer-flowering annual plant of the family Asteraceae, and a significant weed of roadsides, pasture and grasslands in California. It is also distributed, though with less economic and ecological significance, throughout the US and in other temperate parts of the world. Yellow starthistle grows vigorously during the dormant period for most nat...
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Russian knapweed (Acroptilon repens [L.] DC.) and yellow starthistle (Centaurea solstitialis L.) are invasive weeds in the western United States, and both weeds are targeted for biological control. Cercosporella acroptili (Bremer) U. Braun was identified as a possible biological control agent for A. repens, and a morphologically similar Cercosporella sp. recently was found damaging to C. solsti...
متن کاملPractical Challenges in Private Stewardship of Rangeland Ecosystems: Yellow Starthistle Control in Sierra Nevadan Foothills
Private landowners are often de facto stewards of biodiversity and ecosystem services. In California’s Sierra Nevada foothills, ranchers frequently present the only defense against biological invasions in private rangelands. Although ranchers’ land management goals (e.g., the desire to control invasive species) can be consistent with ecosystem protection, practical constraints often limit their...
متن کاملGeneration of molecular markers for the identification of isolates of Puccinia jaceae, a potential biological control agent of yellow starthistle
Yellow starthistle (Centaurea solstitialis L.) (YST) is an important invasive plant that infests millions of hectares in the western USA and Canada. Isolates of the exotic rust fungus Puccinia jaceae have been evaluated as a potential biological control for YST. The objectives of this study were to characterize isolates of P. jaceae by amplified fragment length polymorphic (AFLP) DNA analysis a...
متن کاملLarval densities and field hosts of Ceratapion basicorne (Coleoptera: Apionidae) and an illustrated key to the adults of Ceratapion spp. that feed on thistles in the eastern Mediterranean and Black Sea regions.
Many members of the tribe Cardueae are invasive weeds, including yellow starthistle (Centaurea solstitialis L.), one of the most important weeds in the Western United States. We examined the root crowns and stems of yellow starthistle and related plants growing in five countries (Armenia, Republic of Georgia, Greece, Russia, and Turkey) where yellow starthistle is native. In its native range, t...
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