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    Root(s) (9)
    Seedling(s) (2)
    Sexual Spore (2)
    Stem(s) (1)
    Symptoms (1)

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Laboratory (9)
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    Gerald Holmes (14)
    Howard F. Schwartz (1)

Diseases - Root and Butt / Root and Stem Diseases

Remove Filters: Diseases(X) Pythiaceae(X) Watermelon(X)
15 Images of 1 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
1572972 Pythium diseases Pythium spp. Micrograph of watermelon root tissue with Pythium oospores embedded. May 1997
1572970 Pythium diseases Pythium spp. Micrograph (phase contrast) of watermelon root tissue with Pythium oospore embedded. May 1997
1572969 Pythium diseases Pythium spp. Micrograph of watermelon root tissue with Pythium oospores embedded. May 1997
1572968 Pythium diseases Pythium spp. Micrograph of watermelon root tissue with Pythium oospores embedded. May 1997
1572967 Pythium diseases Pythium spp. Micrograph of watermelon root tissue with Pythium oospore embedded. May 1997
1572966 Pythium diseases Pythium spp. Micrograph of watermelon root tissue showing Pythium oospores throughout. May 1997
1572965 Pythium diseases Pythium spp. Potted watermelon seedling with a Pythium damping-off lesion at the soil line. May 1997
1572964 Pythium diseases Pythium spp. Watermelon seedling showing symptoms of Pythium damping-off. May 1997
1572963 Pythium diseases Pythium spp. Watermelon transplant suffering from damping-off caused by Pythium spp. May 1997
1572962 Pythium diseases Pythium spp. Watermelon transplant suffering from damping-off caused by Pythium spp. May 1997
1572960 Pythium diseases Pythium spp. Pythium root rot (left) and healthy (right) watermelon transplant roots. May 1997
1572958 Pythium diseases Pythium spp. Pythium root rot on watermelon seedling.  Roots should be white (see 1572959 and 1572960). May 1997
1573006 Pythium diseases Pythium spp. Pythium oospore (faint round structure in center of frame) in watermelon root tissue.  Phase contrast. May 1997
1573005 Pythium diseases Pythium spp. Oospore of Pythium sp. in watermelon root tissue. May 1997
5358419 Pythium diseases Pythium spp. Melon seedlings showing damping off symptoms caused by Pythium spp..

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