June 24, 2017

Howard Schwartz – CO State Commentary – Onion ipmPIPE

CO Commentary (05-14-13)

 

COLORADO Commentary

Onion Crop Growth Stage and Status Last Modified: 05/14/13

Warm, dry conditions persist and are forecasted for May throughout Colorado, with few reports of any storm damage occurring in onion regions. Onion acreage is down this year due to severe drought in southern region. The seeded and transplanted crops are behind this season due to the cool conditions until this week.

Weather Impacts (temperature, rain, hail, freezing) Last Modified: 05/14/13

The northern region received significant snow and rain in recent weeks, while other regions of the state received less than 0.25 inches or no rain. Temperatures are now reacing the 70s and 80s during the day, and low to mid 50s in the evening.

Temperature Outlook* [2 – 4 weeks]: Above Normal

Precipitation Outlook* [2 – 4 weeks]: Below Normal

*Courtesy of Planalytics, Inc.

Insect Scouting, Outlook and Management Last Modified: 05/14/13

Thrips

No surveys or reports at this time.

Maggots

No surveys or reports at this time

Other

No surveys or reports at this time

Disease Scouting, Outlook and Management Last Modified: 05/14/13

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 State Contact for Project Howard Schwartz Professor of Plant Pathology Colorado State University Email:howard.schwartz@colostate.edu Collaborators: Whitney Cranshaw, Ned Tisserat, Stephanie Szostek, Janet Hardin,

Mike Bartolo, Thad Gourd, Bob Hammon, Colorado Onion Association