BioImages: The Virtual Field-Guide (UK)
Avena (oats)
Subtaxa
| Rank | Taxon |  |
 |
|---|---|---|---|
| Species | Avena fatua L. (Wild-oat) | 6 | 3 |
| Species | Avena sativa L. (Oat) | 11 | |
| Species | Avena sterilis L. (Winter Wild-oat) | ||
| Subspecies | Avena sterilis ssp. ludoviciana (Durieu) Gillet & Magne. (a winter wild oat) | 1 | |
| Species | Avena strigosa Schreber (Bristle Oat) | 3 |
Suggested Literature
Avena may be covered by literature listed under:
Feeding and other inter-species relationships
Associated with Avena:
| is foodplant of larva | Zabrus tenebrioides - a ground beetle (Coleoptera: Carabidae) | Bullock, J.A., 1992 | |||
| is foodplant of larva | Phalacrus corruscus - a smut beetle (Coleoptera: Phalacridae) | Bullock, J.A., 1992 | |||
| is decayed by immersed pseudothecium | Mycosphaerella allicina - an ascomycete (Mycosphaerellales: Mycosphaerellaceae) | Ellis, M.B. & J.P., 1997 | |||
| inflorescence (dead) | dead inflorescence is decayed by colony of Drechslera dematiaceous anamorph | Drechslera biseptata - a dematiaceous anamorphic fungus (Pleosporales: Pleosporaceae) | Ellis, M.B. & J.P., 1997 | ||
| inflorescence (dead) | dead inflorescence is decayed by colony of Drechslera dematiaceous anamorph | Drechslera dematioidea - a dematiaceous anamorphic fungus (Pleosporales: Pleosporaceae) | Ellis, M.B. & J.P., 1997 | ||
 |
inflorescence | inflorescence is parasitised by Sphacelia anamorph | Claviceps purpurea - Ergot (Hypocreales: Clavicipitaceae) | Ellis, M.B. & J.P., 1997 | |
|
inflorescence | inflorescence may be infected and damaged by sclerotium | Claviceps purpurea - Ergot (Hypocreales: Clavicipitaceae) | Ellis, M.B. & J.P., 1997 | |
| leaf (dead) | dead leaf is decayed by colony of Drechslera dematiaceous anamorph | Drechslera biseptata - a dematiaceous anamorphic fungus (Pleosporales: Pleosporaceae) | Ellis, M.B. & J.P., 1997 | ||
| leaf (dead) | dead leaf is decayed by colony of Drechslera dematiaceous anamorph | Drechslera dematioidea - a dematiaceous anamorphic fungus (Pleosporales: Pleosporaceae) | Ellis, M.B. & J.P., 1997 | ||
| leaf (live) | live leaf is spotted by immersed pseudothecium | Leptosphaeria avenaria - an ascomycete (Pleosporales: Leptosphaeriaceae) | Ellis, M.B. & J.P., 1997 [causes spots which are either purplish brown with orange borders or pale brown with dark borders] | ||
| leaf (live) | live leaf is spotted by pycnidium of Septoria coelomycetous anamorph | Leptosphaeria avenaria - an ascomycete (Pleosporales: Leptosphaeriaceae) | Ellis, M.B. & J.P., 1997 [causes spots which are either purplish brown with orange borders or pale brown with dark borders] | ||
| leaf (live) | live leaf is spotted by colony of Drechslera dematiaceous anamorph | Pyrenophora chaetomioides - an ascomycete (Pleosporales: Pleosporaceae) | Ellis, M.B. & J.P., 1997 [causes eye-spot lesions, at first small with white centre surrounded by a reddish brown halo, with red border; later coalescing and elongating to form short longitudinal stripes] | ||
| leaf sheath (lower part) (dead) | dead leaf sheath (lower part) may be infected and damaged by immersed, mycelial matted perithecium | Gaeumannomyces graminis var. avenae - an ascomycete (Magnaporthaceae) | Ellis, M.B. & J.P., 1997 | ||
| leaf sheath (usually close to stem base) | leaf sheath (usually close to stem base) may be infected and damaged by immersed perithecium | Monographella nivalis - Snow Mould (Xylariales) | Ellis, M.B. & J.P., 1997 | ||
| leaf sheath (usually close to stem base) | leaf sheath (usually close to stem base) may be infected and damaged by Fusarium anamorph | Monographella nivalis - Snow Mould (Xylariales) | Ellis, M.B. & J.P., 1997 | ||
| leaf, seedling | leaf of seedling is spotted by immersed pycnidium of Ascochyta coelomycetous anamorph | Ascochyta avenae var. avenae - a coelomycete | 
|
Ellis, M.B. & J.P., 1997 [causes pale ochraceous spots with purplish-brown borders] | |
| leaf | leaf may contain larva | Pseudonapomyza atra - a leaf-mining fly (Diptera: Agromyzidae) |
|
Spencer, K.A., 1972 | |
| leaf | leaf is grazed by larva | Dolerus haematodes - a sawfly (Hymenoptera: Tenthredinidae) | Benson, R.B., 1952 | ||
| leaf | leaf is spotted by immersed pycnidium of Ascochyta coelomycetous anamorph | Ascochyta avenae var. avenae - a coelomycete | Ellis, M.B. & J.P., 1997 [causes pale ochraceous spots with purplish-brown borders] | ||
| leaf | leaf is spotted by immersed pycnidium of Actinothyrium coelomycetous anamorph | Ascochyta avenae var. confusa - a coelomycete | Ellis, M.B. & J.P., 1997 [causes buff, brown-bordered spots] | ||
| leaf | leaf is spotted by pycnidium of Actinothyrium coelomycetous anamorph | Ascochyta leptospora - a coelomycete | Ellis, M.B. & J.P., 1997 [causes fawn spots with reddish-purple borders] | ||
| leaf | leaf is spotted by immersed, crowded or in rows pycnidium of Pseudoseptoria coelomycetous anamorph | Pseudoseptoria donacis - a coelomycete | Ellis, M.B. & J.P., 1997 [Spots mostly near leaf edges and tips, oval, 2-5mm long, very pale brown or grey, with narrow purplish-brown borders] | ||
| sheath | sheath is spotted by immersed, crowded or in rows pycnidium of Pseudoseptoria coelomycetous anamorph | Pseudoseptoria donacis - a coelomycete | Ellis, M.B. & J.P., 1997 [Spots mostly near leaf edges and tips, oval, 2-5mm long, very pale brown or grey, with narrow purplish-brown borders] | ||
| spikelet (live) | live spikelet may be infected and damaged by embedded sorus | Ustilago hordei - Covered Smut (Barley & Oats) (Ustilaginales: Ustilaginaceae) | Ellis, M.B. & J.P., 1997 | ||
| stem (dead) | dead stem is decayed by pycnidium of Hendersonia coelomycetous anamorph | Phaeosphaeria vagans - an ascomycete (Pleosporales: Phaeosphaeriaceae) | Ellis, M.B. & J.P., 1997 | ||
| stem (dead) | dead stem is decayed by pseudothecium | Phaeosphaeria vagans - an ascomycete (Pleosporales: Phaeosphaeriaceae) | Ellis, M.B. & J.P., 1997 | ||
| stem (dead) | dead stem is decayed by colony of Drechslera dematiaceous anamorph | Drechslera avenacea - a dematiaceous anamorphic fungus (Pleosporales: Pleosporaceae) | Ellis, M.B. & J.P., 1997 | ||
| stem (dead) | dead stem is decayed by colony of Drechslera dematiaceous anamorph | Drechslera biseptata - a dematiaceous anamorphic fungus (Pleosporales: Pleosporaceae) | Ellis, M.B. & J.P., 1997 | ||
| stem base (dead) | dead stem base may be infected and damaged by immersed, mycelial matted perithecium | Gaeumannomyces graminis var. avenae - an ascomycete (Magnaporthaceae) | Ellis, M.B. & J.P., 1997 | ||
| stem base | stem base may be infected and damaged by Fusarium anamorph | Gibberella zeae - an ascomycete (Hypocreales: Nectriaceae) | Ellis, M.B. & J.P., 1997 | ||
| stem base | stem base may be infected and damaged by clustered perithecium | Gibberella zeae - an ascomycete (Hypocreales: Nectriaceae) | Ellis, M.B. & J.P., 1997 | ||
| stem node (lower) | stem node (lower) may be infected and damaged by Fusarium anamorph | Gibberella zeae - an ascomycete (Hypocreales: Nectriaceae) | Ellis, M.B. & J.P., 1997 | ||
| stem node (lower) | stem node (lower) may be infected and damaged by clustered perithecium | Gibberella zeae - an ascomycete (Hypocreales: Nectriaceae) | Ellis, M.B. & J.P., 1997 | ||
| stem | stem may contain larva | Cephus pygmeus - Wheat Stem Borer (Hymenoptera: Cephidae) | Benson, R.B., 1951 | ||
| stubble | stubble is decayed by colony of Dictyosporium dematiaceous anamorph | Dictyosporium elegans - a dematiaceous anamorphic fungus | Ellis, M.B. & J.P., 1997 |
Avena may be associated with more taxa listed at higher taxonomic level
|
MAGNOLIOPSIDA (flowering plants) |
LILIIDAE (monocotyledonous flowering plants) |
POACEAE (grasses - formerly Graminae) |
References
| Benson, R.B., 1951 | Hymenoptera: 2. Symphyta. Section (a) |
| Benson, R.B., 1952 | Hymenoptera: 2. Symphyta. Section (b) |
| Bullock, J.A., 1992 | Host Plants of British Beetles: A List of Recorded Associations |
| Ellis, M.B. & J.P., 1997 | Microfungi on Land Plants: An Identification Handbook |
| Spencer, K.A., 1972 | Diptera: Agromyzidae |
