Reaction of Different Cultivars of Lettuce to Development of Powdery Mildew on Lettuce in 2001
Seven different cultivars of lettuce were seeded and watered on Dec 1, 2000 at the Yuma Valley Agricultural Center. Cultivars were rated for severity of powdery mildew caused by Erysiphe cichoracearum at plant maturity (Mar 21). The highest levels of powdery mildew were found on the cultivars Winter...
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| Language: | en_US |
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College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ)
2001
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| Online Access: | http://hdl.handle.net/10150/214920 |