- Author: Thomas Turini
- Author: Nicholas E Clark
Between 22 and 27 Feb, Ascochyta blight in garbanzo beans was detected in the Five Points/Lemoore area.
This disease has potential to cause economic damage, is favored by wet conditions and moderate temperatures, and rain is in the forecast for Friday, March 1st and Sunday, March 3rd.
Fungicides, such as Endura (boscalid), Headline (pyraclostrobin), or Quadris (azoxystrobin) applied to garbanzo foliage preventatively will reduce risk of loss due to this disease.
Consult product labels carefully before applying a fungicide treatment to ensure the most effective application method, timing and rate.
Here are recent resources for more information about Ascochyta blight in garbanzos:
https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=26328
https://ipm.ucanr.edu/agriculture/dry-beans/ascochyta-blight-garbanzo-beans/
Below are photos by Tom Turini showing typical signs and symptoms of Ascochyta blight of garbanzo on plant samples recently collected in the Five Points/Lemoore area.
Circular lesions with dark centers and foliar dieback on garbanzo bean plant.
Garbanzo bean leaves with necrosis and small dark ifungal structures (pycnidia) of Ascochyta rabiei.
Garbanzo bean plant with stem lesion and substantial dieback.
- Author: Michelle Leinfelder-Miles
- Author: Rachael Long
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 keeping an eye out.
Lastly, white mold (Sclerotinia sclerotiorum and S. trifoliorum) may be a problem in garbanzos this year, like Ascochyta blight, because of the wet conditions. White mold may appear as a watery rot on stems, leaves, and pods.
Information on products and practices is for educational purposes only and does not constitute an endorsement or recommendation by the University of California.