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In making his point, Pollan focuses on the relationship between humans and four specific plants: apples, tulips, marijuana and potatoes. He uses the history of John Chapman (Johnny Appleseed) to illustrate how both the apple's sweetness and its role in the production of alcoholic cider made it appealing to settlers moving west, thus greatly expanding the plant's range. He also explains how human manipulation of the plant has weakened it, so that "modern apples require more pesticide than any other food crop". The tulipomania of 17th-century Holland is a backdrop for his examination of the role the tulip's beauty played in wildly influencing human behaviour to both the benefit and detriment of the plant (the markings that made the tulip so attractive to the Dutch were actually caused by a virus).
His excellent discussion of the potato combines a history of the plant with a prime example of how biotechnology is changing our relationship to nature. As part of his research, Pollan visited the Monsanto company headquarters and planted some of their NewLeaf brand potatoes in his garden--seeds that had been genetically engineered to produce their own insecticide. Though they worked as advertised, he made some startling discoveries, primarily that the NewLeaf plants themselves are registered as a pesticide by the EPA and that federal law prohibits anyone from reaping more than one crop per seed packet. And in a interesting aside, he explains how a global desire for consistently perfect French fries contributes to both damaging monoculture and the genetic engineering necessary to support it.
Pollan has read widely on the subject and elegantly combines literary, historical, philosophical, and scientific references with engaging anecdotes, giving readers much to ponder while weeding their gardens. --Shawn Carkonen, Amazon.com --This text refers to an out of print or unavailable edition of this title.
The book builds on Darwin's original observations about how artificial evolution occurs (evolution directed by human efforts). So-called domesticated species thrive while the wild ones we admire often do not. Compare dogs to wolves as an example. Mr. Pollan challenges the mental separation we make between wild and domesticated species successfully in the book.
The apple section was my favorite. You will learn that John Chapman (Johnny Appleseed) was a rather odd fellow who was actually in the business of raising and selling apple trees. He planted a few seeds at the homes where he stayed overnight on his travels. Mr. Chapman had apple tree nurseries all over Ohio and Indiana, which he started 2-3 years before he expected an influx of settlers. Homesteading laws required these settlers to plant 50 apple or pears trees in order to take title to the land. And these apples were for making hard apple cider, not eating apples. He was the "American Dionysus" in Mr. Pollan's view. Apple trees need to be grafted to make good eating apples. Chapman's trees produced many genetic variations, which are good for the species. Apple trees became more narrow in their genes after other sources for alcohol and sweetness became available (from cane sugar). Now, the ancient genes of apple trees are being kept in living form from Kazakhstan, before they are lost due to economic development.
Tulips were the source of the famous Tulipmania in Holland. Rare colors occurred due to viruses. Those became extremely valuable during the tulip boom market in the 17th century. Now, growers try to keep the viruses out and we have much more dull, consistent species. We have probably lost much beauty in favor of order in the process.
The intoxicants in marijuana are probably caused by toxins that the plants make to kill off insects. Because the plant is a weed, it grows very rapidly. There is a hilarious story about the author's experiences in growing two plants that you will love. As the antidrug war progressed, marijuana became a hothouse plant and was bred and developed to grow much more rapidly under humid, high-light conditions indoors. You will read about modern commercial farms in Holland.
The potato story is the most complex. The Irish potato famine related to monoculture. The Incas had always planted a variety of potatoes to avoid the risk of disease. Now, biotechnology has added an insecticide to the leaves of potato plants, taking monoculture one step further. Interestingly, the insects are already becoming resistant to the insecticide. Are we building a new risk to famine with this approach? How will genetically altered potatoes affect humans? Is having consistent french fries at fast food places enough of an incentive to take this risk? These are the kinds of questions raised by this chapter.
Mr. Pollan has described a "dance of human and plant desire that left neither the plants nor the people . . . unchanged."
His key point is that we should be sure to include strong biodiversity in our approaches. Nature can create more variation faster than fledgling biotechnology industry can. Time has proven that biodiversity has many advantages for humans while monoculture has usually proven to have at least one major drawback. In reality, we can probably have both.
If you are like me, you will find Mr. Pollan's personal experiences with the plants and his investigations of the historical figures to be fascinating. He is a good story teller, and a fine writer.
After you read this book, take a walk through a park or a garden and think about Mr. Pollan's argument. Then consider how these principles can be applied to help ideas change, improve, and grow in more valuable ways.
Look at life from many different perspectives . . . and live more intelligently and beneficially!
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