SJC and Delta Field Crops

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Brick red lesions in the root conducting tissue of kidney beans.
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Kidney Bean Stress Symptoms

September 22, 2015
By Michelle M Leinfelder-Miles
In late August, I visited a kidney bean field that was exhibiting stress symptoms, like necrotic leaves and stunting. Even though the field was near harvest, the consultant asked if I would take a look at it.
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Potassium (K) deficiency in alfalfa exhibits white spots on the leaves.
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Alfalfa Fertilization

September 22, 2015
By Michelle M Leinfelder-Miles
In late August, I was requested by a crop consultant to visit an alfalfa field in the Delta that was exhibiting symptoms like those in the picture. The leaves had little white spots near the margins, and generally, the plants had not grown well after the previous cutting.
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An Archive of Observations

September 22, 2015
By Michelle M Leinfelder-Miles
Greetings! I started this blog as a component of my Extension program for field crops growers and allied industry in San Joaquin County and the greater Sacramento-San Joaquin Delta region.
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