Electron micrographs and explanatory diagrams from Robertson and Taylor slide
set (Scottish Horticultural Research Institute)
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Longidoridae |
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Morphology and anatomy |
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Xiphinema |
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Sweet cherry dieback, Utah |
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Xiphinema index |
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Grape root galling |
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Xiphinema index |
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Grape root galling |
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Xiphinema index |
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Damage to St. George rootstock (right) |
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Xiphinema index |
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Feeding at root tip |
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Xiphinema index |
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Root tip cell hypertrophy |
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Grapevine fanleaf virus |
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Dr. Austin Goheen and Cindy Anderson inspecting fan-leaf infected vine. |
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Xiphinema index |
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Grapevine fanleaf symptoms |
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Virus transmission |
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Sites ov virus retention |
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Longidorus elongatus |
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Retention of raspeberry ringspot virus particles on odontostyle and guiding sheath |
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Xiphinema diversicaudatum |
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Retention of arabis mosaic virus particles on odontophore |
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Xiphinema |
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Morphology and anatomy |
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Xiphinema americanum |
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Distribution pattern in rootzone of grapevine |
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Xiphinema americanum |
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Distribution pattern in a 5-acre cotton field, October |
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Xiphinema americanum |
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Distribution pattern same field, January |
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Xiphinema americanum |
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Distribution pattern same field, September |
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Xiphinema americanum |
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Distribution pattern same field, comparison of patterns one year apart |
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Xiphinema sp. |
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Parasitism by the zoosporic fungus, Catenaria anguillulae |
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Xiphinema americanum |
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Encysted zoospores of Catenaria anguillulae beneath cuticle |
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Xiphinema americanum |
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Infected by Pasteuria penetrans; 3-stages of lifecycle visible. |
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Longidorus africanus |
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Morphology and anatomy |
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Longidorus africanus |
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Damage to carrot seedling root |
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Trichodorus |
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Feeding near root tip |
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Trichodorus |
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Stubby root symptoms on corn |
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Trichodorus |
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Effect on development of sugarbeet root system |
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Trichodorus |
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Alfalfa stand decline field plot |
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Trichodorus |
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Chemical control in onions, Netherlands |
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Trichodorus |
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Chemical control in sugarbeets, Netherlands |
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Trichodorus |
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Widely distributed across a 5-acre cotton field in sandy soil |
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Paratrichodorus pachydermus |
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Retention of particles of tobacco rattle virus in esophagus |
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