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Net Blotch

There are two types of net blotch differentiated by the symptoms: a net form and a spot form. Both occur in NZ but the net form is more common.

Net Blotch Barley

LOOK OUT FOR:

Net like symptoms, especially in 2nd year barley crops

RISK FACTORS:

Infected stubble or seed

Cool, moist conditions


Infection can be seed borne or from infected stubble.

Net blotch favours cool, moist conditions.

Yield losses of 10-30% have been recorded.