Agronomy Research & Information Center
Agronomy Research & Information Center
Agronomy Research & Information Center
University of California
Agronomy Research & Information Center

Agronomy Blog

  • New UC IPM Guidelines for Dry Beans

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    The Insect and Mite sections of the UC IPM Pest Management Guidelines for Dry Beans have been recently revised and updated and are now available online at: UC IPM Dry Beans Pest Management Guidelines. Authors include UCCE Farm Advisor Rachael Long and UC IPM...

  • Dry Bean Field Meeting, UC Davis, Thursday, August 23, 2018, 10 am- 12:30 pm

    Dry Bean Field Day, UC Davis

    UC Davis Agronomy Farm  Directions: In the field across from the UC Davis Bee Biology Lab (same place as previous years). From Hwy 113 in Davis, exit on Hutchison Dr. Go west, turn north at the first roundabout, then west at the second roundabout. Continue west on Hutchison Dr for about...

  • Southern Blight in Lima Beans

    Southern blight infected lima bean root (left); small tan sclerotia that are diagnostic of the southern blight fungal pathogen (yellow arrow).

    A baby lima bean field in the Sacramento Valley was recently found to be infected with southern blight (Sclerotium rolfsii), a fungal pathogen that's found in many crops. The field was double-cropped with barley and planted late June. Symptoms and signs: Initial symptoms of southern blight...

  • Lima Bean Root and Crown Rot

    Figure 1. Lima bean root and crown rot.

    I visited a lima bean field in the Delta at the beginning of June. The beans were showing what appeared to be dampening off symptoms (Figure 1), and dying plants were leaving large gaps down the rows. The problem was pretty widespread throughout the field. Two rows of beans were planted...

  • Charcoal Rot on Garbanzos in the Sacramento Valley

    Garbanzo field with charcoal rot

    A field in Sutter County was confirmed to have charcoal rot, also known as dry root rot or ashy stem blight, which is caused by the fungus Macrophomina phaseolina.  The disease generally occurs under dry soil conditions paired with high temperatures and can be especially problematic...

  • Updated IPM Guidelines for Dry Beans for Diseases and Abiotic Disorders

    A dry bean plant with yellow-mottled leaves from alfalfa mosaic virus, vectored by aphids. Avoid planting beans adjacent to alfalfa fields.

    The Diseases and Abiotic Disorders section of the UC IPM Pest Management Guidelines for Dry Beans have been recently revised and updated and are now available online at UC IPM Dry Beans Pest Management Guidelines. Authors include Farm Advisors Carol Frate (emeritus) and Rachael Long and UC Davis...

  • New UC ANR Cost and Return Studies for Garbanzo Beans (Chickpeas)

    Harvesting garbanzo beans, Yolo County, 2017.

    The UC Agriculture and Natural Resources Agricultural Issues Center (UC ANR) has released two new studies on the costs and returns of producing garbanzo beans (chickpeas), in the Sacramento and San Joaquin Valleys. Although acreage is relatively small (about 10,000 acres), garbanzos are an...

  • Frost Injury in Wheat

    Fig. 1. Yellowing and tip burning of wheat from frost injury. (Photo courtesy of PCA.)

    I have received a couple inquiries from Pest Control Advisors about wheat that is showing leaf tip yellowing and burning (Fig. 1). Their suspicion is frost injury, and with the weather we have experienced over the last several weeks, their suspicion is likely true.  There isn't a hard-fast...

  • Ascochyta blight found in garbanzo beans in the Sacramento Valley

    Ascochyta symptoms on garbanzo leaves.

    Ascochyta blight (Ascochyta rabiei, Didymella rabiei) was recently found in volunteer garbanzos in the Sacramento Valley, so keep an eye out for this disease in your production fields and be sure to control all volunteer garbs on your farm (yes, these volunteers are now long...

  • Field Corn Variety Trial Results

    Table 1. 2017 UCCE Field Corn Variety Trial Results

    The results of the 2017 UCCE Delta field corn variety trial, located on Tyler Island, are shown in Table 1 (below). Three replicate blocks of fifteen varieties were planted on May 9th by air planter. The trial was planted almost two weeks later than the 2016 trial, due to the wet winter and spring....

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