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| cereal cyst eelworm (Heterodera avenae, Heterodera major); oat cyst nematode (Heterodera avenae, Heterodera major); oat root eelworm (Heterodera avenae, Heterodera major) | |||
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| oat cyst nematode; oat root eelworm | |||
| nématode des racines des céréales: 3 phrases in 1 subject |
| Natural sciences | 3 |