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Lisianthus growing at Sego Lily Flower Farm in South Jordan

Grant Proposals and Outcomes

Explore grower-led proposals and research findings advancing local, sustainable floriculture in Utah.

Does Planting Time Affect the Onset of Powdery Mildew in Zinnia Crops?

Amber Lewis

Amber Lewis

2025

This past growing season I examined powdery mildew presence for three successions of zinnia crops. The successions included three different varieties of zinnias to determine if there were variations in powdery mildew presence for the different varieties. Benary Salmon, Ballerina, and Oklahoma White were the varieties I chose to sample. Each succession was started 3 weeks apart.

Does Planting Time Affect the Onset of Powdery Mildew in Zinnia Crops?
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