SJC and Delta Field Crops

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Stem nematodes are visible under a dissecting microscope emerging from an alfalfa stem.
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Alfalfa Stem Nematode

April 2, 2025
By Michelle M Leinfelder-Miles, Mick M Canevari
A crop consultant brought in some stunted, seedling alfalfa plants and asked us to help identify the problem. The plants came from a field in the southwest part of San Joaquin County that was only planted about three months ago. After looking at them under the dissecting microscope, we came to the conclusion…
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Drill-seeded Delta rice variety trial.
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2024 Rice Variety Trial Results

February 7, 2025
By Michelle M Leinfelder-Miles
UC Cooperative Extension collaborates with the California Rice Experiment Station to evaluate commercial varieties and advanced breeding lines. The San Joaquin County Delta location was one of eight locations in the 2024 statewide trial.
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