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www.potatogrower.com 69 proved without a doubt that it was Berke- ley's micro-organism that was causing the blight. The results of de Bary's work were published in 1863 and helped pave the way for the acceptance of Louis Pasteur's landmark Germ Theory of Disease, which was postulated a few years later. So the upside of the potato famine was that it forced the scientific community of the day to rethink its inadequate theories of what caused plant diseases and accept a totally new paradigm. Knowing the actual cause of a disease is the vital first step in formulating meaningful manage- ment protocols. Some of the effective management techniques that followed, though not immediately, included the de- velopment of fungicides and the breeding of resistant varieties. Think about it. The fact that we now have effective treatments for diseases in plants, animals and humans is very likely due to the revelation that a micro- organism was the cause of an important disease, in this case potato late blight. People, their animals and their crops are healthier today all because the scientists back in the day set out to understand what was causing a new and devastating disease of potatoes. Their work opened the gateway to a completely new way of interpreting our world. Progress has been made but, unfortu- nately, late blight still remains the most im- portant disease of potatoes worldwide. PG So the upside of the potato famine was that it forced the scientific community of the day to rethink its inadequate theories of what caused plant diseases and accept a totally new paradigm. 142583EZTarp16v.indd 1 12/10/14 9:04 AM Valid on the purchase of one set of NFTrax (two NFTrax wheels) purchased from your Zimmatic dealer between 01/19/15 and 04/30/15, and does not apply to previous purchases. Offer limited to one set per customer. Certain restrictions and limitations apply. See dealer for complete details. © 2015 Lindsay. All rights reserved. Zimmatic is a trademark of the Lindsay Corporation. "NO FLATS, LESS MAINTENANCE & DOWNTIME – NFTrax IS IMPRESSIVE." THE AWARD-WINNING NFTrax IS FIELD-PROVEN TO SAVE TIME, LABOR AND REPLACEMENT COSTS. Go to SAVEwithNFTrax.com for a $400 off coupon OFFER EXPIRES 04/30/2015 – Tab Beck, Oklahoma NFTrax owner $ 400 OFF A SET OF NFTrax Zimmatic has reinvented the wheel – experience the benefits of NFTrax. • Eliminates flats • Reduces wheel track depth • Superior tracking • 3-year warranty DESIGNED FOR PIVOTS. TESTED ON PIVOTS. 152281LinMan12h.indd 1 2/3/15 9:34 AM