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Category Archives: Biology
Red Blotch Perspective Harvest 2015
The virus seemed different in the vineyard this year. Many vines we had marked as 50% red canopy last year did not meet that threshold this year and some seemed asymptomatic. We began to notice during our vineyard survey last … Continue reading
The other 90 (or 95) Percent
We think of ourselves as finely tuned orchestras of cells. We have brain cells to make us smart, liver cells to buffer our indulgences, and immune cells to fight off invaders. These cells are US. They have our uniquely human DNA. … Continue reading
Posted in Biology, Climate, Microbial Dark Matter
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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
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
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
Posted in Biology, GRBaV, Red Blotch Disease, Wine
Tagged Red Blotch, Red Blotch Disease, Red Vein Virus
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Virus and Veins
Whether Ebola infects the blood tube walls directly or causes an immune response that damages them, one of the advanced symptoms is leakage of blood from the tubes or vessels. We know even less about the red blotch virus that … Continue reading
Posted in Biology, Extinctions, Microbial Dark Matter, Red Blotch Disease, RGBaV
Tagged Red Blotch, Red Blotch Disease, Red Vein Virus
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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
Posted in Biology, Ecology, Red Blotch Disease, RGBaV, Wine
Tagged GRBaV, Mites, Red Blotch
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Wink
It happens I have an extremely goofy dog. Teasing him as he thrust his legs in the air as if doing some high hurdle in reverse lying on his back on the couch, he looked over upside down and winked at … Continue reading
Grape Vine Red Blotch Associated Virus
Ebola is on our minds, but we easily forget that the biosphere is a churning cauldron of microbes whose tenure on the planet extends back several billion years. They live deep in the earth’s crust. They live in the mesosphere. … Continue reading
Posted in Biology, Microbial Dark Matter, Wine
Tagged Citizen Science, GRBaV, Red Blotch Disease
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Ecology Now!
This exhortation has a strange ring to it now, and it is likely that no one under the age of fifty ever heard it, but the image above is a poster of an actual flag created by the activist organization … Continue reading
Posted in Anthropology, Biology, Climate, Ecology, Ethics, History, Religion
Tagged Ecology now, Gaia, Holism, nationalism, Save our fire
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