June 24, 2017

Howard Schwartz – Colorado State Commentary – Onion ipmPIPE

October 8, 2012 by hschwartz
Colorado Commentary (10-08-12)  COLORADO Onion harvest of transplanted onions (during August to September) and seeded onions (during September to October) resulted generally in average to above average yields due to light to moderate pest and disease pressure throughout the state.  High temperature and low moisture stress did contribute to higher incidences of Pink Root and Fusarium basal rot in fields of susceptible varieties, but bacterial and fungal disease pressure was light; followed by low to moderate pressure from IYSV in some fields.  Storage rot should not be an issue for the high quality bulbs that are going to storage and market.

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