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Diseases - Root and Butt / Root and Stem Diseases

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Image Subject Name Scientific Name Description
5475230 Ganoderma butt rot of palm Ganoderma zonatum Sabal palmetto exhibiting an overall wilted canopy and premature death of the oldest leaves due to Ganoderma butt rot.
1241669 Armillaria root rot Armillaria solidipes Resinosus on a young, thin-barked Douglas-fir is often the first sign of infection.
1277108 Phytophthora disease of alders Phytophthora alni
2110006 Phytophthora disease of alders Phytophthora alni Mature, riparian common alder (A. glutinosa) stand with high impact of Phytophthora root and collar rot.
2110012 Phytophthora disease of alders Phytophthora alni Root system of a 2-year-old nursery grown common alder (A. glutinosa) with necrotic lesions caused by P. alni.
2110001 Phytophthora disease of alders Phytophthora alni Mature common alder with collar rot caused by P. alni showing sparse, chlorotic and small-sized foliage.
5417128 fairy rings
5417130 fairy rings
5417126 fairy rings
5417127 fairy rings
5417124 fairy rings
5417125 fairy rings
5045086 oak decline Oak killed by drought, twolined chestnut borer, and Armillaria root rot.
5045087 oak decline Oak tree mortality caused by drought, twolined chestnut borer and Armillaria root rot.
5253099 Phytophthora root and crown rots Phytophthora spp. Bleeding canker on oak
5393238 Fusarium wilts, blights, rots and damping-off Fusarium spp. Common hop cones showing symptoms of Fusarium cone tip blight caused by Fusarium spp. in a field at Idaho.
5393237 Fusarium wilts, blights, rots and damping-off Fusarium spp. Common hop cones showing symptoms of Fusarium cone tip blight caused by Fusarium spp. in a field at Idaho.
5393236 Fusarium wilts, blights, rots and damping-off Fusarium spp. Common hop cones showing symptoms of Fusarium cone tip blight caused by Fusarium spp. in a field at Idaho.
5394465 Fusarium wilts, blights, rots and damping-off Fusarium spp. Discoloration of the stem
2176077 Fusarium wilts, blights, rots and damping-off Fusarium spp.
5373386 club root of crucifers Plasmodiophora brassicae
5373387 club root of crucifers Plasmodiophora brassicae
5368505 charcoal rot Macrophomina phaseolina discoloration of tissue due to infection
5368506 charcoal rot Macrophomina phaseolina discoloration of tissue due to infection
5368507 charcoal rot Macrophomina phaseolina discoloration of tissue due to infection
5368508 charcoal rot Macrophomina phaseolina discoloration of tissue due to infection
5372437 crown gall Rhizobium radiobacter
5372433 crown gall Rhizobium radiobacter
5372434 crown gall Rhizobium radiobacter
5372430 crown gall Rhizobium radiobacter
5372431 crown gall Rhizobium radiobacter
5372432 crown gall Rhizobium radiobacter
5373570 Pythium diseases Pythium spp.
5373571 Pythium diseases Pythium spp.
5373355 Phytophthora root and crown rots Phytophthora spp.
5373356 Phytophthora root and crown rots Phytophthora spp.
5373328 Phytophthora root and crown rots Phytophthora spp.
5373327 Phytophthora root and crown rots Phytophthora spp.
5373326 Phytophthora root and crown rots Phytophthora spp.
5373325 Phytophthora root and crown rots Phytophthora spp.
5373324 Phytophthora root and crown rots Phytophthora spp.
5373322 Phytophthora root and crown rots Phytophthora spp.
5373323 Phytophthora root and crown rots Phytophthora spp.
5373319 Phytophthora root and crown rots Phytophthora spp.
5373320 Phytophthora root and crown rots Phytophthora spp.
5373321 Phytophthora root and crown rots Phytophthora spp.
5373318 Phytophthora root and crown rots Phytophthora spp.
5373302 Phytophthora root and crown rots Phytophthora spp.
5373303 Phytophthora root and crown rots Phytophthora spp.
5373304 Phytophthora root and crown rots Phytophthora spp.
5373300 Phytophthora root and crown rots Phytophthora spp.
5373301 Phytophthora root and crown rots Phytophthora spp.
5373298 Phytophthora root and crown rots Phytophthora spp.
5373299 Phytophthora root and crown rots Phytophthora spp.
5373286 Phytophthora root and crown rots Phytophthora spp.
5373282 Phytophthora root and crown rots Phytophthora spp.
5373283 Phytophthora root and crown rots Phytophthora spp.
5373285 Phytophthora root and crown rots Phytophthora spp.
5373279 Phytophthora root and crown rots Phytophthora spp.
5373280 Phytophthora root and crown rots Phytophthora spp.
5373281 Phytophthora root and crown rots Phytophthora spp.
5373276 Phytophthora root and crown rots Phytophthora spp.
5373277 Phytophthora root and crown rots Phytophthora spp.
5373272 Phytophthora root and crown rots Phytophthora spp.
5373273 Phytophthora root and crown rots Phytophthora spp.
5373274 Phytophthora root and crown rots Phytophthora spp.
5373275 Phytophthora root and crown rots Phytophthora spp.
5373269 Phytophthora root and crown rots Phytophthora spp.
5373270 Phytophthora root and crown rots Phytophthora spp.
5373271 Phytophthora root and crown rots Phytophthora spp.
5373266 Phytophthora root and crown rots Phytophthora spp.
5373267 Phytophthora root and crown rots Phytophthora spp.
5373268 Phytophthora root and crown rots Phytophthora spp.
5373263 Phytophthora root and crown rots Phytophthora spp.
5373264 Phytophthora root and crown rots Phytophthora spp.
5373265 Phytophthora root and crown rots Phytophthora spp.
5373253 Phytophthora root and crown rots Phytophthora spp.
5373262 Phytophthora root and crown rots Phytophthora spp.
5372933 Monochaetia fungi Monochaetia spp.
5372934 Monochaetia fungi Monochaetia spp.
5372935 Monochaetia fungi Monochaetia spp.
5372932 Monochaetia fungi Monochaetia spp.
5372596 Fusarium wilts, blights, rots and damping-off Fusarium spp.
5372592 Fusarium wilts, blights, rots and damping-off Fusarium spp.
5372587 Fusarium wilts, blights, rots and damping-off Fusarium spp.
5372559 Fusarium wilts, blights, rots and damping-off Fusarium spp.
5372622 Ganoderma root rots Ganoderma spp.
5372611 Ganoderma root rots Ganoderma spp.
5372610 Ganoderma root rots Ganoderma spp.
5372608 Ganoderma root rots Ganoderma spp.
5372609 Ganoderma root rots Ganoderma spp.
5372607 Ganoderma root rots Ganoderma spp.
5372145 Armillaria root rot Armillaria tabescens
5372144 Armillaria root rot Armillaria tabescens
5076093 Pythium diseases Pythium spp. Pythium cottony leak on cucumber fruit. White, cotton like mass that may cover the entire fruit. Jelly or liquid may ooze from within the fruit.
5224024 crown gall Rhizobium radiobacter
5224025 crown gall Rhizobium radiobacter
5224028 crown gall Rhizobium radiobacter
5076100 Fusarium wilts, blights, rots and damping-off Fusarium spp. White fungal growth on outside of fruit that may be pinkish in spots.
5077024 club root of crucifers Plasmodiophora brassicae Knotted roots resemble root-knot nematode injury. Above ground symptoms are stunted, chlorotic, unthrifty plants due to reduced uptake of water and nutrients through roots.
5045074 oak decline
2139062 black stain root disease Ophiostoma wageneri

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