June 23, 2017

Krishna Mohan – Idaho State Commentary – Onion ipmPIPE

 

Idaho Commentary

 

Onion Crop Growth Stage and Status Last Modified: 06/15/12

Onion crop development is normal, plants mostly in 4-6 leaf stage.

 

Weather Impacts (temperature, rain, hail, freezing) Last Modified: 06/15/12

Weather continues to be generally warm and dry with occasional showers.

 

Insect Scouting, Outlook and Management Last Modified: 06/15/12

Thrips 

First survey of the four sentinel (observation) plots: In three of the plots there were an average of 3 adults and 4 larvae per plant.  In the fourth plot, there were 5 adults and 24 larvae per plant.

 

Maggots 

No surveys or reports at this time

 

Other

No surveys or reports at this time

 

Disease Scouting, Outlook and Management Last Modified: 06/15/12

Iris yellow spot virus

No surveys or reports at this time

 

Soil-borne Diseases (Damping Off, Pink Root, Fusarium)

No surveys or reports at this time

 

Fungal Diseases (purple blotch, downy mildew, Botrytis)

No surveys or reports at this time

 

Bacterial Diseases (Xanthomonas, center rot, soft rots)

No surveys or reports at this time

 

Onion Pathologist
S. Krishna Mohan
Professor of Plant Pathology
University of Idaho
Email:kmohan@uidaho.edu

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