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Neil McRoberts, Page 2

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A local lesson in the unpredictable

This year in California’s San Joaquin Valley (the southern arm of the Great Central Valley) it’s an outbreak year http://www.laviagraes.com/generico-viagra-funciona for Beet Curly Top Virus (BCTV).  The virus is vectored by the beet leafhopper, Circulifer tenellus, an invasive insect which was probably introduced to the western USA in the early …