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| Leafhoppers (1) |
| Nephotettix virescens (1) |
| Plants--Virus resistance (1) |
| Rice tungro spherical virus (1) |
| Rice--Varieties (1) |
| Virus diseases--Transmission (1) |
| Leafhoppers (1) |
| Nephotettix virescens (1) |
| Plants--Virus resistance (1) |
| Rice tungro spherical virus (1) |
| Rice--Varieties (1) |
| Virus diseases--Transmission (1) |