This article is a list of diseases of alfalfa (Medicago sativa).
Bacterial diseases | |
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Bacterial leaf spot | Xanthomonas campestris pv. alfalfae |
Bacterial sprout rot | Erwinia chrysanthemi pv. chrysanthemi |
Bacterial stem blight | Pseudomonas savastanoi pv. phaseolicola = P. medicaginis |
Bacterial wilt | Clavibacter michiganensis subsp. insidiosus = Corynebacterium insidiosum |
Crown gall | Agrobacterium tumefaciens |
Crown and root rot complex | Pseudomonas viridiflava |
Dwarf | Xylella fastidiosa |
Nematodes, parasitic | |
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Bulb and stem nematode | Ditylenchus dipsaci |
Chrysanthemum foliar nematode | Aphelenchoides ritzemabosi |
Cyst nematode | Heterodera trifolii |
Dagger nematode | Xiphinema americanum |
Lesion nematode | Pratylenchus spp. Pratylenchus neglectus Pratylenchus penetrans |
Needle nematode | Longidorus spp. |
Pin nematode | Paratylenchus spp. Paratylenchus hamatus |
Reniform nematode | |
Root-knot nematode | Meloidogyne spp. Meloidogyne arenaria Meloidogyne chitwoodi Meloidogyne hapla Meloidogyne incognita Meloidogyne javanica |
Spiral nematode | Helicotylenchus spp. |
Stubby-root nematode | Paratrichodorus spp. |
Stunt nematode | Tylenchorhynchus spp. |
Viral diseases | |
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Alfalfa enation | genus Rhabdovirus, Alfalfa enation virus (AEV) |
Bean leaf roll | genus Luteovirus, Bean leaf roll virus (BLRV) |
Bean yellow mosaic | genus Potyvirus, Bean yellow mosaic virus (BYMV) |
Cucumber mosaic | genus Cucumovirus, Cucumber mosaic virus (CMV) |
Lucerne Australian latent | genus Nepovirus, Lucerne Australian latent virus (LALV) |
Lucerne Australian symptomless | genus Comoviridae, Lucerne Australian symptomless virus (LASV) |
Lucerne transient streak | genus Sobemovirus, Lucerne transient streak virus (LTSV) |
Pea streak | genus Carlavirus, Pea streak virus (PSV) |
Red clover vein mosaic | genus Carlavirus, Red clover vein mosaic virus (RCVMV) |
Tobacco streak | genus Ilarvirus, Tobacco streak virus (TSV) |
White clover mosaic | genus Potexvirus, White clover mosaic virus (WCMV) |
Phytoplasmal and spiroplasmal diseases | |
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Aster yellows | Aster yellows phytoplasma |
Witches'-broom | Phytoplasma |