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| Subject |
|---|
| Raccoons [1] |
| Raspberries [10] |
| Rats [1] |
| Resistance [1] |
| Resistant [25] |
| Rhaphiolepis [1] |
| Rhizoctonia [1] |
| Rhododendron [1] |
| Rhubarb [1] |
| Rodents [1] |
| rodents [1] |
| root-knot nematode [1] |
| root-knot nematodes [1] |
| Rosa [1] |
| Rose [1] |