Category Archives: Wine

Further GRBaV Observations

A number of things we have noticed about red blotch did not really fit into the themes of prior posts but we feel bear mention. The first, along the lines of Dr. Golino’s finding of a similar virus in a … Continue reading

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GRBaV, Heredity or Environment?

The burning question in the vineyard business these days is whether or not to rip out and replant Red Blotch infected vines. On the one hand, the first variant of the disease has spread at an average of maybe 4% … Continue reading

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GRBaV, The Vector, Which Mite It Be?

At a recent UC extension course, “Current Issues in Vineyard Health”, an impressive group of researchers presented their work. Dr. Brian Bahder revealed evidence of a second variant of GRBaV, commonly called red blotch virus, that seems to have invaded a block … Continue reading

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Hold and Haul, The Surprising Result of a Careful Analysis of Sustainability

The purpose of this investigation is to evaluate the “sustainability” in terms of fossil energy use between localized wastewater treatment at a sewage treatment facility and “hold and haul” trucking to the EBMUD cogeneration facility in Oakland for a new … Continue reading

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GRBaV, A Null Hypothesis

As one contemplates the panoramas of red vineyards and walks rows to find disturbingly few completely asymptomatic plants, it is easy to consider a null hypothesis suggested by early notions that red blotch has been around a long time masked by similar symptoms … Continue reading

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Stigma, The Scarlet Letter, and The Red Blotch

In the highly competitive business of marketing wine, consumer perception is everything and nobody wants to admit their vineyards have problems. This fear has slowed research into the habits of a virus now known to cause Red Blotch Disease. It is not such … Continue reading

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GRBaV, The Highway Hypothesis

On our highways fossil energy propels nearly incessant rivers of iron and plastic machines at velocities approaching one hundred feet per second. These machines produce billowing vortices of dust, microbes, micronutrients, and exhaust chemicals in the surrounding atmosphere as they … Continue reading

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