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Executive summary

As hop (Humulus lupulus L.) production has re-emerged across Ontario and Northeastern North America, growers continue to request more detailed information on how foliar symptoms found in the crop relate to various nutrient deficiencies. Resources for visual identification of nutrient deficiency symptoms in hops are limited. Those currently available typically have old, poor-quality photos that do not cover the full nutrient spectrum, or the progressive development of deficiency symptoms seen in the field.

The ability to identify nutrient deficiencies quickly and accurately allows growers to improve nutrient use efficiency, crop health and overall yields of marketable product. This pictorial guide was developed for growers to better identify foliar symptoms caused by nutrient deficiencies in hop plants, however, it is advised to always confirm a visual diagnosis with laboratory analysis.

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If you require this information in an alternative format, please contact ag.info.omafra@ontario.ca. We will:

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