UC Rice Blog

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Rice Production Manual cover
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2023 Rice Production Manual available for download

May 31, 2023
By Luis A Espino
The 2023 Rice Production Manual is available for download here. The Manual was produced in association with the 2023 Rice Production Workshop; it describes the principles of rice production based on research conducted in the rice production areas of California.
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Rice seed midge injury

May 30, 2023
By Luis A Espino
I recently visited a field that had quite a bit of rice seed midge injury. In this case, the seedlings that were not injured were almost at the one leaf stage, and one could observe quite a few seeds still in the soil surface.
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Weed Management in 2023: what can we expect?

May 19, 2023
By Consuelo B Baez Vega, Whitney B Brim-Deforest, Taiyu Guan
Coming out of 2022, where roughly half of all California rice fields were left fallowed last year, and others may have been fallowed for two seasons, many of us have questions about what weed management will look like in 2023.
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Several rice stems that have turned nearly black as a symptom of stem rot
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Stem Rot Management Update

May 12, 2023
By Consuelo B Baez Vega, Luis A Espino, Taiyu Guan
In general, rice diseases are not a big problem in California. However, in some fields, disease pressure can be high and can result in yield losses. One disease that can be found in practically every rice field is stem rot.
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Managing Rice in a Late Planted Year

May 6, 2023
By Consuelo B Baez Vega, Bruce A Linquist, Kassim Al-Khatib, Whitney B Brim-Deforest, Luis A Espino, Ian M Grettenberger, Taiyu Guan
This season may be a late-planted one due to the potential for a wet and cool spring. Our research has shown that delayed planting reduces yield potential (yields tend to be about 5 sacks/acre less when planted at end of May compared to beginning of May).
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