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Home Archive by category "Plant Evolution" (Page 2)

Category: Plant Evolution

Back To The Eocene?

plantguy September 6, 2014 September 8, 2014CO2, Ecological Physiology, Plant Evolution 0

From Anthropocene To Eocene II? A mountainside near where I live gave way in January 2009 (as a result of torrential rains) resulting in Racehorse Creek rock slide. This landslide revealed a treasure-trove of fossils, mainly 55-million-year old fossils of plants that were alive during the Eocene. Most interestingly, perhaps,…

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The Daffodil: How Does It Make Its Trumpet-Shaped Flower? (And Why?) – Redux

plantguy April 8, 2014 March 14, 2015Flowering, Plant Development, Plant Evolution 0

Since the daffodils are out in full force here in the upper left-hand corner of the U.S., I decided to revisit this post from 2013 and revise it a bit. Hope you enjoy it (again?)…. Doesn’t the Scientific Study of Flower Development Ruin the Aesthetic Beauty of Flowers? Here’s the…

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The Last Roundup®?

plantguy September 28, 2013 October 15, 2017Plant Evolution glyphosate, herbicides, superweeds 0

News “Roundup®” This has not been a good month for the herbicide Roundup®. (You can read a brief introduction to Roundup® here.) Both the New York Times and Science magazine featured news articles about this widely-used herbicide (see References below), and the news isn’t good. Briefly, the NY Times article…

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The Naked Tomato – Stripping Down Solanum lycopersicum

plantguy June 7, 2012 May 28, 2013Plant Biotechnology, Plant Development, Plant Evolution, plant genes 0

na.ked [nay-kid] adj.- “exposed to view or plainly revealed“ Good Times For Tomato Science The tomato (a.k.a., Solanum lycopersicum). What are the chemicals that make most homegrown tomatoes taste so good? What is the genome sequence of the domesticated tomato? And how is it related to wild relatives, and even…

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Weed Control Using “Agent Orange Corn”: A Really Bad Idea?

plantguy May 5, 2012 May 8, 2012Plant Evolution, Plant Hormones 0

“Back To The Future.” A while back on this blog, I spent a bit of time exploring how some herbicides kill plants. The focus was primarily on auxin-based herbicides such as 2,4-D (one of the herbicides in the notorious Agent Orange) and glyphosate, commonly known as Roundup®. The former kills…

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How, When, and Where Did Flowers Originate?

plantguy March 6, 2012 March 6, 2012Flowering, Plant Evolution 0

The First Flower? How did flowering plants (angiosperms) evolve from non-flowering seed plants (gymnosperms)? Or did they? When did the first flowers appear on this planet? And where on Earth did it occur? These are some of the most hotly-debated questions among botanists today, partly because some of the fossil-based…

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The Emerald Planet (better late than never)

plantguy February 26, 2012 December 12, 2015Books, Plant Evolution 0

Back in 2007, when I was boring undergraduates at Montana State University, I read a brilliant book by David Beerling called The Emerald Planet: How Plants Changed Earth’s History. I was recently reminded of this book by Nigel Chaffey’s “Plant Cuttings” article in the March 2012 issue of Annals of…

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Driving Sideways: Do Genes Move Between Different Plant Species?

plantguy June 3, 2010 June 3, 2010Plant Evolution botany, evolution, Nature, plants, science 0

Moving Genes Around A recent report that a species of aphid can make carotene thanks to a gene it apparently acquired from a fungus got me to thinking about whether genes can flow between different plant species. When an organism incorporates genetic material from another organism without being the offspring…

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