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| gramine (2) |
| Gramineae (2) |
| greenbug (2) |
| Hordeum (2) |
| Schizaphis graminum (2) |
| alkaloid (1) |
| Aphid (1) |
| barley (1) |
| benzyl alcohol. (1) |
| Rhopalosiphum padi (1) |
| gramine (2) |
| Gramineae (2) |
| greenbug (2) |
| Hordeum (2) |
| Schizaphis graminum (2) |
| alkaloid (1) |
| Aphid (1) |
| barley (1) |
| benzyl alcohol. (1) |
| Rhopalosiphum padi (1) |