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

Agronomy Blog

  • 2017-18 UC Statewide Small Grain Variety Testing Results Update

    Added September 20, 2018
    2018 Common Wheat Yield Heat Map

    The most up-to-date results from the 2017-18 UC Small Grain Variety Testing Program trials as well as trials from previous seasons can be found at the UC Agronomy Research and Information Center Small Grains websites. There are two interactive sites...

  • 2018 Kearney Alfalfa and Forage Field Day Agenda

    Added September 5, 2018

    The agenda for the annual Kearney Alfalfa and Forage Field Day is set. Where: Kearney Agricultural Research and Extension Center; 9240 S. Riverbend Ave.; Parlier, CA 93648 When: Wednesday, September 19, 2018 @ 7:30 AM - 12:15 PM What: A half day of...

  • What to do with those tough to control perennial weeds in established alfalfa?

    Added August 17, 2018

    The old saying, “Everything's fine until it's not,” comes to mind when dealing with some tough to control perennial weeds in alfalfa production during the summertime. Such was the case for an alfalfa field in the Sacramento Valley, where weed...

  • New UC IPM Guidelines for Dry Beans

    Added August 16, 2018

    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...

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

    Added August 15, 2018
    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...

  • Southern Blight in Lima Beans

    Added August 7, 2018
    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...

  • Preliminary yield results from fall-planted 2017-18 variety trials

    Added August 7, 2018
    Davis 5 2 18

    Preliminary grain yield results for our fall-planted common wheat, triticale, durum wheat and barley trials are now available on the UC Small Grains Research and Information Center...

  • Lima Bean Root and Crown Rot

    Added July 11, 2018
    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...

  • Charcoal Rot on Garbanzos in the Sacramento Valley

    Added June 25, 2018
    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...

  • Strategies to Avoid and Manage Soil Compaction

    Added June 11, 2018
    Bean field with soil compaction

    Soil compaction is often a problem in field crop production and occurs when soil particles are pressed together, reducing available pore space for air and water. About half the soil volume is composed of particles, the other half is soil pores. At field...

  • Abiotic disorders to watch for in hybrid sunflower seed production

    Added June 11, 2018
    Sunburn damage to sunflower

    Last year, we saw a number of disorders in sunflower that were mainly related to a heat stress by parental line interaction. Despite extensive testing by the USDA and UC ANR for pathogens in many affected sunflower plants, no causal agents were...

  • 2018 Small Grains Field Day Recap & Virtual Tour

    Added May 24, 2018
    2018 Davis Field Day

    Thanks to everyone who participated in our field day held in Davis last week! We appreciate the support of this event by the California Crop Improvement Association and the California Wheat Commission, as well as our colleagues within the UC Davis...

  • Some thoughts on monitoring for TPS

    Added May 4, 2018
    IMG 1120

    Tadpole shrimp (TPS) are starting to pop up in rice fields. A grower asked me when is the period when rice is “safe” from TPS. He is seeing very small shrimp, and seedlings are already past the first leave stage of rice (lsr). To determine...

  • 2017-18 seasonal conditions, fall-planted California wheat and UC small grain variety testing sites

    Added May 4, 2018
    Figure 1. Historical precipitation (10-year average, left) compared to rainfall totals during the current season (right) between 10/1/2017 and 3/1/2018. Also indicated are UC Small Grain Testing Program trial locations for various crop types (right).

    With the majority of fall-planted California small grain crops reaching grain ripening stages and annual precipitation mostly finished, let's review 2017-18 seasonal weather patterns across the small grain regions of the state and at the UC small grain...

  • Small Grains and Alfalfa/ Forages Field Day May 17th, 2018

    Added April 30, 2018

    Join us on Thursday May 17th for this year's University of California Small Grains - Alfalfa/ Forages Field Day. The event will take place at the UC Davis Agronomy Field Headquarters on Hutchison Drive. Registration, parking, and lunch are...

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