Invasive Plant Guide
Sylvan Kaufman and Wallace Kaufman are the authors of Invasive Plants: Guide to Identification and the Impacts and Control of Common North American Species published by Stackpole Books. Here we update you on the latest research, control techniques, news and issues surrounding invasive plants.-
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Author Archives: Sylvan Kaufman
Invasive Species Slogans
The Illinois Invasive Species Awareness Month blog brings you the third installment of catchy invasive species slogans! http://illinoisisam.blogspot.com/2012/08/the-hunt-for-invasive-species-slogans.html “Spread the word, not the weed” was one of my favorites.
Posted in Education
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Can extra chromosomes make a plant more invasive?
In 1948 two researchers looked at polyploidy (additional sets of chromosomes) in 175 weedy species in California and found about equal numbers of diploid and polyploid weeds. They concluded that polyploidy had little to do with weediness in general, but … Continue reading
Posted in Centaurea stoebe, Research
Tagged Centaurea maculosa, Centaurea stoebe, polyploidy
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Uses and abuses of water hyacinth
Water hyacinth, Eichornia crassipes, is known as the world’s worst aquatic weed because of its prolific growth. It lowers biodiversity in tropical waterways, shelters pests like mosquitos, and causes eutrophication. But all that biomass could have its uses. Patel summarizes … Continue reading
Posted in Eichornia crassipes
Tagged Eichornia crassipes, water hyacinth
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Is life in the garden less dangerous?
You might think that plants growing in gardens would face fewer pest problems as gardeners vigilantly defend them against unsightly leaf damage and flower mangling. For introduced ornamental plants this could be just the boost they need to escape the … Continue reading
Posted in Enemy release hypothesis, Research
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Co-evolution between an invader and native plant
Following up on research that demonstrated that garlic mustard’s (Alliaria petiolata) production of chemicals detrimental to other plants declined the longer a population had been established, Lankau now reports on the ability of a native plant to resist the phytotoxins. … Continue reading
Posted in Alliaria petiolata, Research
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Invasive grasses selfish in soil conditioning
A greenhouse study on native and non-native grasses from the Great Basin looks at changes in soil nutrient levels and soil microbes among species. The researchers found that although both native and non-native grasses condition soils, the changes caused by … Continue reading
Posted in Bromus tectorum, Central West, Research
Tagged feedback, invasive grasses, soils
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Trendiest weed control method? Goats!
Goats seem to be the hottest new weed control method. They have been used for weed control probably since they were first domesticated, but companies offering rental goats specialized in weed control are, growing like weeds. Goats offer an alternative … Continue reading
Posted in Detection and Control
Tagged biological control, goats, invasive plant control, weeds
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Assessing plants for invasiveness
I’ve been steeped in the nuances of assessments of plant invasiveness the last few months as the Maryland Invasive Plant Advisory Committee develops an assessment for non-native terrestrial plants that grow or could grow in Maryland. Most assessments look at … Continue reading
Posted in Lonicera japonica, Rankings
Tagged climate model, Japanese honeysuckle, Lonicera japonica
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