Year 9 Biology SHE Task
Crown Gall
Last updated 16 September 2019
The Disease
Disease cycle of crown gall disease [Image]. (2018). Retrieved from https://www.researchgate.net/figure/Disease-cycle-of-crown-gall-disease-Adapted-and-redrawn-after-Agrios-1988_fig1_324154694
Fahy, P. (2012). Crown gall of plants. Retrieved from https://www.dpi.nsw.gov.au/agriculture/horticulture/pests-diseases-hort/information-for-multiple-crops/crown-gall-of-plants.
Fichtner, E.J. (2018). Crown gall on walnuts: assessing origin of infection, disease management and prevention. Retrieved from http://www.ucanr.org/blogs/blogcore/postdetail.cfm?postnum=28927
Gauthier, N.W., & Embrey, D. (2018). Crown gall. Retrieved from https://plantpathology.ca.uky.edu/files/ppfs-gen-01.pdf
Koetter, R., & Grabowski, M. (2019). Crown gall. Retrieved from https://extension.umn.edu/plant-diseases/crown-gall
The Royal Horticultural Society. (n.d.). Crown gall. Retrieved from https://www.rhs.org.uk/advice/Profile?pid=141
Management Strategies
ABC. (2016). Getting rid of crown gall [Audio podcast]. Retrieved from https://www.abc.net.au/radionational/programs/ockhamsrazor/getting-rid-of-crown-gall/7305242
BeckerUnderwoodAUS. (2012, June 26). Nogall – preventative treatment of crown gall disease [Video file]. Retrieved from https://youtu.be/LvbZHIvF2vQ
Flournoy, B. (2018). How does alcohol kill bacteria?. Retrieved from https://sciencing.com/alcohol-kill-bacteria-5462404.html
This article explains how alcohol actually kill bacteria which is one of the management strategies for controlling crown gall.
globalhygienecouncil. (2012, May 8). How disinfectantscan help to remove harmful germs from your home [Video file]. Retrieved from https://youtu.be/iwj06BlXxVA
This video explains how disinfectants actually kill bacteria which is one of the management strategies for controlling crown gall.
Missouri Botanical Garden. (n.d.). Crown galls. Retrieved from https://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/pests-and-problems/diseases/bacterial-galls/crown-galls.aspx
Iowa State University. (2018). Crown gall. Retrieved from https://hortnews.extension.iastate.edu/crown-gall
Museum of Applied Arts. (n.d.). Nogall pest control. Retrieved from http://archive.maas.museum/australia_innovates/indexff4b.html?behaviour=view_article&Section_id=1000&article_id=10013
This page provides information about an Australian invention to control crown gall.
Putnam, M.L., & Miller, M. (n.d.). Is it crown gall or leafy gall? Retrieved from https://bpp.oregonstate.edu/sites/agscid7/files/bpp/attachments/is_it_crown_gall_or_leafy_gall_for_web.pdf
This has a good section at the end of the article on management strategies.
University of Würzburg. (2016, August 11). Crown gall disease: A tumor home to a varied bacterial community. ScienceDaily. Retrieved from https://www.sciencedaily.com/releases/2016/08/160811101140.htm
Estimating population size
Baxter, J. (2014). Vegetation sampling using the quadrat method. Retrieved from https://www.csus.edu/indiv/b/baxterj/bio%20221b/vegetation%20sampling%20quadrat.pdf
BBC. (n.d.). Field investigations. Retrieved from https://www.bbc.co.uk/bitesize/guides/z8s2v9q/revision/1
Field Studies Council. (2016). Sampling methods. Retrieved from https://www.biology-fieldwork.org/a-level/fieldwork-techniques/introduction-to-sampling/sampling-methods/
Freesciencelessons. (2018, May 2). Sampling organisms [Video file]. Retrieved from https://youtu.be/RdpvRwOzS0g
Preston Lodge High School. (n.d.). Sampling techniques. Retrieved from http://nat5biopl.edubuzz.org/unit-3-life-on-earth/3-sampling-techniques
University of Würzburg. (2016, August 11). Crown gall disease: A tumor home to a varied bacterial community. ScienceDaily. Retrieved from https://www.sciencedaily.com/releases/2016/08/160811101140.htm
References
Bacterium [Image]. (n.d.). Retrieved from https://www.cellenion.com/applications/single-microorganims-isolation/bacteria/
