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United States Department of Agriculture

Agricultural Research Service

Research Project: BIOLOGY AND MANAGEMENT OF INVASIVE WEEDS IN THE WESTERN UNITED STATES

Location: Exotic and Invasive Weeds Research

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

Field testing Diorhabda elongata (Coleoptera:Chrysomelidae) from Crete, Greece to assess potential impact to non-target native California plants in the genus Frankenia - (Peer Reviewed Journal)
Herr, J.C., Reddy, A.M., Carruthers, R.I. 2014. Field testing Diorhabda elongata (Coleoptera:Chrysomelidae) from Crete, Greece to assess potential impact to non-target native California plants in the genus Frankenia. Environmental Entomology. 43:642-653.
Effect of mechanical damage on emission of volatile organic compounds from plant leaves and implications for evaluation of host plant specificity of prospective biological control agents of weeds - (Peer Reviewed Journal)
Smith, L., Beck, J.J. 2013. Effect of mechanical damage on emission of volatile organic compounds from plant leaves and implications for evaluation of host plant specificity of prospective biological control agents of weeds. Biocontrol Science and Technology. 23(8):880-907.
Host plant oviposition preference of Ceratapion basicorne (Coleoptera:Apionidae), a potential biological control agent of yellow starthistle - (Peer Reviewed Journal)
Smith, L. 2012. Host plant oviposition preference of Ceratapion basicorne (Coleoptera:Apionidae), a potential biological control agent of yellow starthistle. Biocontrol Science and Technology. 22(4):407-418.
Climatic analysis to determine where to collect and release Puccinia jaceae var. solstitialis for biological control of yellow starthistle - (Peer Reviewed Journal)
Smith, L., Fisher, A.J., Woods, D.M. 2011. Climatic analysis to determine where to collect and release Puccinia jaceae var. solstitialis for biological control of yellow starthistle. Biocontrol Science and Technology. 21(3):333-351.
No evidence for increased performance of a specialist psyllid on invasive French broom - (Peer Reviewed Journal)
Reddy, A.M., Carruthers, R.I., Mills, N.J. 2011. No evidence for increased performance of a specialist psyllid on invasive French broom. Acta Oecologica. 37:79-86.
Biology and laboratory host range of the moth, Diota rostra (Wallengren) (Noctuidae: Arctiinae), a natural enemy of Cape ivy - (Peer Reviewed Journal)
Westhuizen, L., Neser, S., Balciunas, J.K. 2010. Biology and host specificity of Diota rostra. African Entomology. 18(2):246-252.
Dynamics of photosynthetic photon flux density (PPFD) and estimates in coastal northern California     Reprint Icon - (Peer Reviewed Journal)
Ge, S., Smith, R.G., Kramer, M.G., Carruthers, R.I., Jacovides, C.P. 2010. Dynamics of photosynthetic photon flux density (PPFD) and estimates in coastal northern California. Journal of Theoretical and Applied Climatology. 105(1-2):107-118. DOI: 10.1007/s00704-010-0368-6.
Integrated management of Scotch broom, Cytisus scoparius: is control enhanced when seed predation is combined with prescribed fire or mowing? - (Abstract Only)
(13-Sep-10)
Yellow starthistle rust: summary of release, establishment and biology in California - (Government Publication)
Woods, D.M., Bruckart, W.L., Ditomaso, J., Fisher, A.J., Gordon, T., O'Brien, J., Pitcairn, M., Popescu, V., Smith, L., Villegas, B., Yribe, A. 2010. Yellow starthistle rust: summary of release, establishment and biology in California. In D.M. Woods (ed.), Biological Control 2009 Annual Summary. California Department of Food and Agriculture, Plant Heath and Pest Prevention Services, Sacramento, California, pp.43-40.
Multiple-level defoliation assessment with hyperspectral data: integration of continuum-removed absorptions and red edges - (Peer Reviewed Journal)
Ge, S., Carruthers, R.I., Everitt, J.H., Kramer, M.G., Anderson, G.L. 2011. Multiple-level defoliation assessment with hyperspectral data: integration of continuum-removed absorptions and red edges. Environmental Monitoring and Assessment. 32(21):6407-6422. DOI:10.1080/01431161.2010.510492.
Introduced populations of Genista monspessulana (French broom) are more dense and produce a greater seed rain in California, USA, than native populations in the Mediterranean Basin of Europe - (Peer Reviewed Journal)
Reddy, A.M., Carruthers, R.I., Mills, N.J. 2011. Introduced populations of Genista monspessulana (French broom) are more dense and produce a greater seed rain in California, USA, than native populations in the Mediterranean Basin of Europe. Biological Invasions. 13:369-380.
Widespread seed limitation affects plant density but not population trajectory in the invasive plant Centaurea solstitialis - (Peer Reviewed Journal)
Swope, S.M., Parker, I.M. 2010. Widespread seed limitation affects plant density but not population trajectory in the invasive plant Centaurea solstitialis. Oecologia. 164:117-128.
Effectiveness of Eriophyid Mites for Biological Control of Weeds - (Abstract Only)
Smith, L. 2010. Effectiveness of Eriophyid Mites for Biological Control of Weeds. Acarology International Congress Abstract Book, Recife, Brazil.pp. 257-258.
Assessing difficult targets - when is biological control feasible? - (Abstract Only)
Smith, L. 2010. Assessing difficult targets - when is biological control feasible?. Meeting Abstract. IOBC Symposium, May 11-13, 2010, Niagara Falls, Ontario, Canada.
Classical biological control for the protection of native ecosystems - (Peer Reviewed Journal)
Van Driesche, R.G., Carruthers, R.I., Center, T.D., Smith, L. 2010. Classical biological control for the protection of native ecosystems. Biological Control. 54:502-533.
Six Species of Salsola tumbleweeds (Russian thistle) in the Western USA and Prospects for their Control - (Abstract Only)
Smith, L., Hrusa, G., Gaskin, J.F., Bruckart, W.L., Berner, D.K., Cristofaro, M. 2010. Six Species of Salsola tumbleweeds (Russian thistle) in the Western USA and Prospects for their Control. Weed Science Society of America Meeting Abstracts.
Trait-mediated interactions and lifetime fitness of the invasive plant Centaurea solstitialis - (Peer Reviewed Journal)
Swope, S.M., Parker, I.M. 2010. Trait-mediated interactions and lifetime fitness of the invasive plant Centaurea solstitialis. Ecology. 91(8):2284-2293.
Effectiveness of Eriophyid Mites for Biological Control of Weedy Plants and Challenges for Future Research - (Abstract Only)
Smith, L., Delillo, E., Amrine, Jr., J.W. 2009. Effectiveness of Eriophyid Mites for Biological Control of Weedy Plants and Challenges for Future Research. Entomological Society of America Annual Meeting.
Life history of Parafreutreta regalis, (diptera:tephritidae), a candidate agent for biological control of delairea odorata - (Peer Reviewed Journal)
Balciunas, J.K., Mehelis, C.N. 2010. Life history of Parafreutreta regalis, (diptera:tephritidae), a candidate agent for biological control of delairea odorata. Environmental Entomology. 39(1):114-120.
Host specificity and specialization in eriophyoid mites - (Peer Reviewed Journal)
Skoracka, A., Smith, L., Oldfield, G., Cristofaro, M., Amrine, Jr., J.W. 2010. Host specificity and specialization in eriophyoid mites. Experimental and Applied Acarology. 51(1-3):93-113.
Effectiveness of Eriophyid Mites for Biological Control of Weedy Plants and Challenges for Future Research - (Peer Reviewed Journal)
Smith, L., Delillo, E., Amrine, Jr., J.W. 2010. Effectiveness of Eriophyid Mites for Biological Control of Weedy Plants and Challenges for Future Research. Experimental and Applied Acarology. 51(1):115-149.
Host preference between saltcedar (Tamarix spp.) and native non-target Frankenia spp. within the Diorhabda elongata species complex (Coleoptera: Chrysomelidae) - (Peer Reviewed Journal)
Herr, J.C., Carruthers, R.I., Bean, D.W., Deloach Jr, C.J. 2009. Host preference between Saltcedar (Tamarix spp.) and native non-target Frankenia spp. within the Diorhabda elongata species complex (Coleoptera: chrysomelidae). Biological Control. 51:337-345.
Using molecular genetics to identify immature specimens of the weevil Ceratapion basicorne (Coleoptera, Apionidae) - (Peer Reviewed Journal)
Antonini, G., Coletti, G., Serrani, L., Tronci, C., Cristofaro, M., Smith, L. 2009. Using molecular genetics to identify immature specimens of the weevil Ceratapion basicorne (Coleoptera, Apionidae). Biological Control. 51:152-157.
Preparation for the introduction of a new yellow starthistle biological control agent into California - (Government Publication)
Woods, D.M., Smith, L. 2009. Preparation for the introduction of a new yellow starthistle biological control agent into California. In D.M.Woods, (ed.), Biological Control Program 2008 Annual Summary. California Department of Food and Agriculture, Plant Health and Pest Prevention Services, Sacramento, California.pp.43-46.
Species of Salsola (Russian thistle) in the Western USA and Prospects for Biological Control - (Abstract Only)
(31-Dec-08)
How effective is biological control, what are its limitations, and how can we do a better job? - (Abstract Only)
(31-Dec-08)
Field assessment of host plant specificity and potential effectiveness of a prospective biological control agent, Aceria salsolae, of Russian thistle, Salsola tragus - (Peer Reviewed Journal)
Smith, L., Cristofaro, M., De Lillo, E., Monfreda, R., Paolini, A. 2009. Field Assessment of Host Plant Specificity and Potential Effectiveness of a Prospective Biological Control Agent, Aceria Salsolae, of Russian Thistle, Salsola Tragus. Biological Control. 48:237-243.
Laboratory Host Range of Parafreutreta regalis (Diptera: Tephritidae), a Candidate Agent for Biological Control of Cape-ivy. - (Peer Reviewed Journal)
Balciunas, J.K., Neser, S., Westhuizen, L.V., Mehelis, C.N. 2010. Laboratory Host Range of Parafreutreta regalis (Diptera: Tephritidae), a candidate agent for Biological Control of Cape ivy. Environmental Entomology. 39(3):841-848.
Natural history studies for the preliminary evaluation of a prospective biological control agent of yellow starthistle, Larinus filiformis (Coleoptera: Curculionidae). - (Peer Reviewed Journal)
Gultekin, L., Christofaro, M., Tronci, C., Smith, L. 2008. Natural History Studies for the Preliminary Evaluation of a Prospective Biological Control Agent of yellow starthistle, Larinus filiformis (Coleoptera: Curculionidae).. Environmental Entomology. 37(5): 1185-1199.
Puccinia jaceae var.solstitialis teliospore priming on yellow starthistle - (Peer Reviewed Journal)
Fisher, A.J., Aegerter, B.J., Gordon, T.R., Smith, L., Smith, D.M. 2009. Puccinia Jaceae Var. Solstitialis Teliospore Priming on Yellow Starthistle. Phytopathology. 99 (1): 67-72.
Challenges to evaluation of eriophyid mites for biological control of invasive plants. - (Proceedings)
Smith, L., Delillo, E., Stoeva, A., Cristofaro, M., Rector, B.G. 2008. Challenges to evaluation of eriophyid mites for biological control of invasive plants. In: Bertrand, M., Kreiter, S., McCoy, K.D., Migeon, A., Navajas, M. Tixier, M.S., Vial, L. editors. Integrative Acarology. Proceedings of the 6th European Congress, European Association of Acarolgists, July 21-25, 2008 Montpellier, France. 312-316
Use of cryptic species for biological control of weeds - (Abstract Only)
Smith, L., Cristofaro, M., De Biase, A., Antonini, G. 2008. Use of cryptic species for biological control of weeds. Entomological Society of America Annual Meeting.
Challenges to obtaining APHIS approval to release classical biological control agents of weeds: the case of the yellow starthistle rosette weevil (Ceratapion basicorne) - (Abstract Only)
Smith, L. 2010. Challenges to obtaining APHIS approval to release classical biological control agents of weeds: the case of the yellow starthistle rosette weevil (Ceratapion basicorne). Entomological Society of America Annual Meeting. [abstract].
Predicting the success of the fungal pathogen Puccinia jaceae var. solstitialis in diverse California habitats and the identification of factors that affect pathogen survival - (Government Publication)
Smith, L. 2008. Predicting the success of the fungal pathogen Puccinia jaceae var. solstitialis in diverse California habitats and the identification of factors that affect pathogen survival. Government Publication/Report. 12 p.
Genetic and behavioral discrimination of host plant populations of the leafbeetle, Psylliodes chalcomera, for biological control of yellow starthistle - (Government Publication)
Smith, L. 2008. Genetic and behavioral discrimination of host plant populations of the leafbeetle, Psylliodes chalcomera, for biological control of yellow starthistle. Government Publication/Report. 12 p.
Invasive species change detection using artificial neural networks and CASI hyperspectral imagery     Reprint Icon - (Peer Reviewed Journal)
Pu, R., Gong, P., Tians, Y., Miao, X., Carruthers, R.I., Anderson, G.L. 2008. Invasive species change detection using artificial neural networks and CASI hyperspectral imagery. Environmental Monitoring and Assessment.140:15-32.
Development of artificial diet to rear internal-feeding insects to accelerate research on new biological control agents of yellow starthistle and other alien weeds - (Government Publication)
Smith, L. 2008. Development of artificial diet to rear internal-feeding insects to accelerate research on new biological control agents of yellow starthistle and other alien weeds. Government Publication/Report. University of California Exotic/Invasive Pests and Diseases Research Program - Final Report. 6pp.
Integrated control and assessment of knapweed and cheatgrass on Department of Defense installations. 2007 Annual Report/Final Report SI-1145 - (Government Publication)
Paschke, M.W., Redente, E.F., Klein, D.A., Smith, L. 2008. Integrated control and assessment of knapweed and cheatgrass on Department of Defense installations. 2007 Annual Report/Final Report SI-1145. Government Publication/Report. 21 p.
Multigene analysis suggests ecological speciation in the fungal pathogen Claviceps purpurea - (Peer Reviewed Journal)
Douhan, G.W., Smith, M.E., Huyrn, K.L., Westbrook, A., Beerli, P., Fisher, A.J. 2008. Multigene analysis suggests ecological speciation in the fungal pathogen Claviceps purpurea. Molecular Ecology. 17:2276-2286.
Additional information regarding host specificity of Aceria salsolae - (Government Publication)
Smith, L. 2008. Additional information regarding host specificity of Aceria salsolae. Government Publication/Report.
Biological Control of Russian thistle (tumbleweed) - (Proceedings)
(31-Jan-08)
Discovery and Evaluation of New Prospective Biological Control Agents for Yellow Starthistle - (Abstract Only)
Smith, L., Cristofaro, M. 2008. Discovery and Evaluation of New Prospective Biological Control Agents for Yellow Starthistle. Meeting Abstract.
Canopy assessment of biochemical features by ground-based hyperspectral data for an invasive species, giant reed (Arundo donax) - (Peer Reviewed Journal)
Ge, S., Carruthers, R.I., Spencer, D.F., Yu, Q. 2008. Canopy assessment of biochemical features by ground-based hyperspectral data for an invasive species, giant reed (Arundo donax). Environmental Monitoring and Assessment. 147:271-278.
Effects of Crop Diversity on Agroecosystem Productivity - (Peer Reviewed Journal)
(19-Dec-07)
Using classification and NDVI differencing methods for monitoring sparse vegetation coverage: a case study of saltcedar in Nevada, USA. - (Peer Reviewed Journal)
Pu, R., Gong, P., Tians, Y., Miao, X., Carruthers, R.I., Anderson, G.L. 2008. Using classification and NDVI differencing methods for monitoring sparse vegetation coverage: a case study of saltcedar in Nevada, USA.. International Journal of Remote Sensing.29(14):3987-4011.
Monitoring the rust fungus Puccinia jaceae var. solstitialis for biological control of yellow starthistle - (Proceedings)
(20-Nov-07)
Influence of Seed Head-attacking Biological Control Agents on Spotted Knapweed Reproductive Potential in Western Montana over a 30-year Period - (Peer Reviewed Journal)
Story, J.M., Smith, L., Corn, J.G., White, L.J. 2008. Influence of Seed Head-attacking Biological Control Agents on Spotted Knapweed Reproductive Potential in Western Montana over a 30-year Period. Environmental Entomology. 37(2):510-519
Saltcedar Areawide Pest Management in the Western United States - (Book / Chapter)
Carruthers, R.I., Deloach, C.J., Herr, J.C., Anderson, G.L., Knutson, A.E. 2008. Saltcedar Areawide Pest Management in the Western United States. In: Koul, O., Cuperus, G., Elliott, N., Editors. Areawide Pest Management: Theory and Implementation. Wallingford, UK; Cambridge, MA: CABI. p. 271-299.
Saltcedar areawide pest management in the western United States - (Book / Chapter)
Carruthers, R.I., Deloach Jr, C.J., Herr, J.C., Anderson, G.L., Knutseon, A.E. 2008. Saltcedar areawide pest management in the western United States. In: Areawide Pest Management: Theory and Implementation. Koul, Cuperus, Elliott, editors. Oxfordshire, United Kingdom: Council of Applied Biology International (CABI). p. 271-299.
Latent period and viability of Puccinia jaceae var. solstitialis urediniospores; implications for biological control of yellow starthistle - (Peer Reviewed Journal)
Fisher, A.J., Woods, D.M., Smith, L., Bruckart, W.L. 2007. Latent period and viability of Puccinia jaceae var. solstitialis urediniospores; implications for biological control of yellow starthistle. Biological Control 45:146-153.
Evaluation of the rosette weevil, Ceratapion basicorne, a new biological control agent of yellow starthistle - (Proceedings)
Smith, L., Cristofaro, M., Tronci, C., Hayat, R. 2007. Evaluation of the rosette weevil, Ceratapion basicorne, a new biological control agent of yellow starthistle. California Invasive Plant Council. 11:11-14.
A Test of the EICA hypothesis using French broom (Genista monspessulana) - (Abstract Only)
Smith, R.G., Herrera, A. M., and Carruthers, R. I. 2008. A test of the EICA hypothesis using French broom (Genista monspessulana). Ecological Society of America. [abstract] PS: 30-108
Broad-nosed weevils feeding on Centaurea solstitialis L. in Turkey, with a description of the new species Araxia cristofario sp. n. (Coleoptera: Curculionidae: Entiminae) - (Peer Reviewed Journal)
Gultekin, L., Cristofaro, M., Borovec, R., Smith, L. 2008. Broad-nosed weevils feeding on Centaurea solstitialis L. in Turkey, with a description of the new species Araxia cristofario sp. n. (Coleoptera: Curculionidae: Entiminae). Annals of the Entomological Society of America. 101(1):7-12.
Estimating Yellow Starthistle (Centaurea solstitialis) Leaf Area Index and Aboveground Biomass with the Use of Hyperspectral Data     Reprint Icon - (Peer Reviewed Journal)
Ge, S., Xu, M., Anderson, G.L., Carruthers, R.I. 2007. Estimating Yellow Starthistle (Centaurea solstitialis) Leaf Area Index and Aboveground Biomass with the Use of Hyperspectral Data. Weed Science.55:671-678.
Population-level compensation by an invasive thistle thwarts biological control from seed predators - (Peer Reviewed Journal)
Garren, J.M., Strauss, S.Y. 2009. Population-level compensation by an invasive thistle thwarts biological control from seed predators. Ecological Applications. 19:709-721.
Yield and Temporal Yield Variability Under Conventional and Alternative Management Systems - (Peer Reviewed Journal)
Smith, R.G., Menalled, F.D., Robertson, G. 2007. Yield and Temporal Yield Variability Under Conventional and Alternative Management Systems. Agronomy Journal.99:1629-1634.
Effectiveness of Capitula Damaging Insects on Yellow Starthistle (Centaurea solstitialis L.) - (Abstract Only)
Uygur, S., Smith, L., Uygur, F. 2007. Effectiveness of Capitula Damaging Insects on Yellow Starthistle (Centaurea solstitialis L.). Meeting Abstract.
Invasive species change detection using artificial neural networks and CASI hyperspectral imagery - (Peer Reviewed Journal)
Pu, R., Gong, P., Yong, T., Xin, M., Carruthers, R.I., Anderson, G.L. 2007. Invasive species change detection using artificial neural networks and CASI hyperspectral imagery. International Journal of Remote Sensing. 140:15-32.
Using our experiences with knapweeds and yellow starthistle to improve methods to evaluate new prospective biological control agents. - (Abstract Only)
Smith, L. 2007. Using our experiences with knapweeds and yellow starthistle to improve methods to evaluate new prospective biological control agents. Entomological Society of America Annual Meeting.
Multigene analysis suggests ecological speciation in the fungal pathogen Claviceps purpurea - (Abstract Only)
Douhan, G.W., Smith, M.E., Huyrn, K.L., Westbrook, A., Fisher, A.J. 2007. Multigene analysis suggests ecological speciation in the fungal pathogen Claviceps purpurea. American Phytopathological Society Annual Meeting.
Monitoring Puccinia jaceae var. solstitialis for Biological Control of Yellow Starthistle (Centaurea solstitialis) in California - (Abstract Only)
Fisher, A.J., Woods, D.M., Smith, L. 2007. Monitoring Puccinia jaceae var. solstitialis for Biological Control of Yellow Starthistle (Centaurea solstitialis) in California. Ecological Society of America Abstracts.
Developing an optimal release strategy for the rust fungus Puccinia jaceae var. solstitialis for biological control of Centaurea solstitialis (yellow starthistle) - (Peer Reviewed Journal)
Fisher, A.J., Woods, D.M., Smith, L., Bruckart, W.L. 2007. Developing an optimal release strategy for the rust fungus Puccinia jaceae var. solstitialis for biological control of Centaurea solstitialis (yellow starthistle). Biological Control. 42:161-171.
Assembly of weed communities along a crop diversity gradient - (Peer Reviewed Journal)
Smith, R.G., Gross, K.L. 2007. Assembly of weed communities along a crop diversity gradient. Journal of Applied Ecology.44:1046-1056.
Integration of biological control with other methods to restore rangeland infested with spotted and diffuse knapweed - (Abstract Only)
Smith, L., Paschke, M.W., Redente, E.F., Warren, S.D., Klein, D.A. 2007. Integration of biological control with other methods to restore rangeland infested with spotted and diffuse knapweed. Ecological Society of America Proceedings.
An Overview of the Biological Control of Saltcedar - (Proceedings)
Carruthers, R.I., Herr, J.C., Deloach, C.J. 2007. An Overview of the Biological Control of Saltcedar. Proceedings of California Weed Science Society. 59:128-134/
Comparison of Laboratory and Ecological Host Range of the Saltcedar Leaf Beetle with Respect to Native Non-Target Frankenia species - (Proceedings)
Herr, J.C., Carruthers, R.I., Deloach Jr, C.J. 2007. Comparison of Laboratory and Ecological Host Range of the Saltcedar Leaf Beetle to Native Non-Target Frankenia species. in: Hoodle, M., Johnson, M. Editors. Proceedings Fifth California Conference on Biological Control, University of California, Riverside, California, p. 148-151.
A brief overview of the biological control of saltcedar - (Proceedings)
Carruthers, R.I., Herr, J.C., Knight, J., Deloach, C.J. 2007. A brief overview of the biological control of saltcedar. In: Hoddle, M., Johnson, M., editors. Proceeding of Fifth California Conference on Biological Control, University of California, 2006, Riverside, California p. 71-77.
Classical Biological Control of Weeds - (Popular Publication)
Smith, L. 2008. Classical biological control of weeds. California Invasive Plant Council. Newsletter 17(4):4-7
Lixus Cardui, a Biological Control Agent for Scotch Thistle (Onopordum acanthium): Safe for Australia but not USA? - (Peer Reviewed Journal)
Balciunas, J.K. 2007. Lixus Cardui, a Biological Control Agent for Scotch Thistle (Onopordum acanthium): Safe for Australia but not USA?. Biological Control. 4(11):134-141.
Physiological host range of Ceratapion basicorne, a prospective biological control agent of Centaurea solstitialis (Asteraceae) - (Peer Reviewed Journal)
Smith, L. 2007. Physiological host range of Ceratapion basicorne, a prospective biological control agent of Centaurea solstitialis (Asteraceae). Biological Control. 41:120-133
Prospects for Biological Control of Russian thistle (tumbleweed) - (Abstract Only)
Smith, L., Sobhian, R., Cristofaro, M. 2007. Prospects for Biological Control of Russian thistle (tumbleweed). Western Society of Weed Science Meeting Proceedings. 60:44
Prospects for biological control of Russian thistle (tumbleweed) - (Proceedings)
(01-Nov-06)
Salt marsh Claviceps purpurea in native and invaded Spartina marshes in Northern California - (Peer Reviewed Journal)
Fisher, A.J., Ditomaso, J.M., Gordon, T.R., Aegerter, B.J., Ayres, D.R. 2007. Salt marsh Claviceps purpurea in native and invaded Spartina marshes in Northern California. Plant Disease. 91:380-386.
First Report of Puccinia Jaceae Var. Solstitialis Pycnia on Yellow Starthistle in the United States - (Peer Reviewed Journal)
Fisher, A.J., Bruckart, W.L., Mcmahon, M., Luster, D.G., Smith, L. 2006. First report of puccinia jaceae var. solstitialis pycnia on yellow starthistle in the United States. Plant Disease.90:1362.
Risk assessment of Ceratapion basicorne, a rosette weevil of yellow starthistle - (Proceedings)
(30-Jun-06)
Cause and Effect, and How to Make a Better Biocontrol Agent - (Other)
Smith, L. 2006. Cause and effect, and how to make a better biocontrol agent. Biocontrol News and Information.27(2):28N-30N.
Classical Biological Control of Weeds - (Popular Publication)
(03-Apr-06)
Estimating leaf area index and aboveground biomass of an invasive weed (yellow starthistle, Centaurea solstitalis L.) using airborne hyperspectral data - (Peer Reviewed Journal)
Ge, S., Xu, M., Anderson, G.L., Carruthers, R.I. 2007. Estimating leaf area index and aboveground biomass of an invasive weed (yellow starthistle, Centaurea solstitalis L.) using airborne hyperspectral data. Weed Science. 55:671-678.
Biological Control of Yellow Starthistle with the Rust Fungus Puccinia Jaceae - (Abstract Only)
(03-Feb-06)
Proposed Field Release of the Weevil, Ceratapion Basicorne (Coleoptera: Apionidae), from Turkey for Biological Control of Yellow Starthistle (Centaurea Solstitialis) in the United States. P. 1-138. - (Government Publication)
Smith, L. 2006. Proposed field release of the weevil, ceratapion basicorne (coleoptera: apionidae), from turkey for biological control of yellow starthistle (centaurea solstitialis) in the United States. Petition submitted to Technical Advisory Group, USDA-APHIS Technical Advisory Group. (Government Publication/Report). 138 p.
Prospective Biological Control Agents for Yellow Starthistle. - (Abstract Only)
Smith, L., Christofaro, M., Dolgovskaya, M.Y., Tronci, C., Hayat, R. 2006. Prospective biological control agents for yellow starthistle. Western Society of Weed Science Meeting Proceedings, March 14-16, 2006, Sparks, NV pp.
Biological Control of Knapweeds and Yellow Starthistle - (Abstract Only)
Smith, L. 2006. Biological control of knapweeds and yellow starthistle. Western Society of Weed Science Meeting Proceedings, March 14-16, 2006, Sparks, NV. pp.
Science and Decision Making in Biological Control of Weeds: Benefits and Risks of Biological Control - (Peer Reviewed Journal)
Carruthers, R.I., D'Antonio, C.M. 2005. Science and decision making in biological control of weeds: benefits and risks of biological control. Biological Control. 35(3):181-182.
Biological Control - Theory and Application of Pest Management - (Peer Reviewed Journal)
Carruthers, R.I., D'Antonio, C.M. 2005. Biological control - theory and application of pest management. Biological Control. 35(3):181-388
Hyperspectral Characteristics of Canopy Components and Structure for Phonological Assessment of An Invasive Weed. - (Peer Reviewed Journal)
Ge, S., Everitt, J.H., Carruthers, R.I., Gong, P., Anderson, G.L. 2006. Hyperspectral characteristics of canopy components and structure for phonological assessment of an invasive weed. Environmental Monitoring and Assessment. p. 1-18
Status of New Agents for Biological Control of Yellow Starthistle and Russian Thistle. - (Proceedings)
Smith, L., Christofaro, M., Dolgovskaya, M.Y., Tronci, C., Hayat, R. 2005. Status of new agents for biological control of yellow starthistle and russian thistle. Meeting Proceedings of the California Invasive Plant Council Meeting, Oct. 6-8, 2005, Chico, CA. pp.
Evaluation of Host Plant Specificity of Ceratapion Basicorne (Coleoptera: Apionidae), a Prospective Biological Control Agent of Yellow Starthistle (Centaurea Solstitialis) - (Abstract Only)
Smith, L., Christofaro, M., Hayat, R., Tronci, C., Tozlu, G. 2005. Evaluation of host plant specificity of ceratapion basicorne (coleoptera: apionidae), a prospective biological control agent of yellow starthistle (centaurea solstitialis). Meeting Proceedings of the Entomological Society of America, Ft. Lauderdale, FL, Nov. 6-10, 2005. p.132.
Intraspecific groups of Claviceps purpurea associated with grass species in Willapa Bay, Washington, and the prospects for biological control of invasive Spartina alterniflora - (Peer Reviewed Journal)
Fisher, A.J., Ditomaso, J.M., Gordon, T.R. 2005. Intraspecific groups of Claviceps purpurea associated with grass species in Willapa Bay, Washington, and the prospects for biological control of invasive Spartina alterniflora. Biological Control. 34:170-179.
Conidia Morphology and Ecological Characteristics As Diagnostic Tools for Claviceps Purpurea from Salt Marsh Habitats - (Peer Reviewed Journal)
Fisher, A.J., Gordon, T.R., Ditomaso, J.M. 2005. Conidia morphology and ecological characteristics as diagnostic tools for claviceps purpurea from salt marsh habitats. Canadian Journal of Plant Pathology.27:389-395.
Proposed Field Release the Blister Mite, Aceria Salsolae (Acari: Eriophyidae), for Biological Control of Russian Thistle (Tumbleweed), Salsola Tragus (Chenopodiaceae) in the United States. - (Government Publication)
Smith, L. 2004. Proposed field release the blister mite, aceria salsolae (acari: eriophyidae), for biological control of russian thistle (tumbleweed), salsola tragus (chenopodiaceae) in the united states. Government Publication/Report.
Geographic Distribution and Diversity in Claviceps Purpurea (FR.) Tul from Salt Marsh Habitats and Characterization of Pacific Coast Populations - (Peer Reviewed Journal)
Fisher, A.J., Gordon, T.R., Ditomaso, J.M. 2005. Geographic distribution and diversity in claviceps purpurea (fr.) tul from salt marsh habitats and characterization of pacific coast populations. Mycological Research. 109:439-446.
Biological Control of Yellow Starthistle - (Proceedings)
Smith, L., Balciunas, J.K., Pitcairn, M.J. 2003. Biological control of yellow starthistle. Proceedings California Exotic Pest Plant Council Symposium. Vol. 6:2000,2001,2002.p.41.
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