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

Agronomy Blog

  • White Mold in Lima Beans

    Figure 1. Sclerotia of white mold disease.

    I was recently contacted by a Pest Control Advisor (PCA) regarding a lima bean field in the Tracy area. The plants were showing some unusual symptoms, and while the field was nearing harvest, the grower was hoping to get another couple weeks out of it for pod fill. The PCA had already collected...

  • Soil Temperatures for Planting Blackeye & Large Lima Beans

    Figure 1. Bean seeds rotting fromPythium rot infestation.

    A grower recently called to ask about the minimum soil temperature for planting blackeye and large lima beans. The University of California, Division of Agriculture and Natural Resources has produced production manuals for both blackeyes and limas. A general guideline for blackeyes is to plant as...

  • Scouting in Garbanzo Beans

    Figure 1. Ascochyta blight on garbanzo bean leaves.

    A pest control advisor recently contacted us to ask what pests he should be scouting for in garbanzo beans. His clients had not grown garbanzos in the past but have some acreage this year. Given recent wet weather and relatively mild temperatures, there are three diseases for which we suggest...

  • Garbanzo beans hit hard by Alfalfa Mosaic Virus in California in 2015

    Garbanzo field with alfalfa mosaic virus, May 2015, Yolo County.

    This disease is vectored by aphids (pea, cowpea, and green peach) with alfalfa the common host of the virus. One usually won't see aphids in garbanzos, as after they land and feed (and introduce the virus) they either die or leave, due to the acidic exudate of the garbanzos that deters them. This...

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