Illustrations by the author, Dr. Thomas T. Yamashita (except where noted otherwise) Farmers and advisors frequently make the statement that healthy plants appear to tolerate or resist disease better than unhealthy plants. A skeptic might counter by saying that the plant is unhealthy because of disease, or the plant is healthy because it is free…
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Plant Diseases
An Illustrated Guide to Common Plant Fungi
Illustrations by Thomas T. Yamashita, Ph.D. Adapted from an article originally published in Quantum Yield, a Technical Publication of the Sunburst Disease Clinic In recent years, our agricultural community has been subjected to an unprecedented barrage of temperature fluctuations, rains, hail, snow, wind and variations thereof. This has transformed our farms into large scale plant…
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Treating Late Blight Outbreaks in Tomato Plants
Late blight is an explosive disease. In humid, wet weather, and in the absence of fungicidal programs, this disease can quickly reach epidemic proportions and has the potential to literally wipe out a field within 24 hours. The disease has a notorious place in history, having wreaked havoc on Ireland’s potato crops in 1845 and…
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