Table 1.
Numbers of Plants (%, Number of Plants Detected out of 120 Detected Plants) | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
District (Island) |
Plants Examined (n) |
Plants Detected (n) (%) 1 |
Co-Infected with Three Viruses |
Co-Infected with Two Viruses |
Singly Infected with | |||||||||||
Potyvirus 2 | Maclura-Virus | |||||||||||||||
TuMV Group | OYDV Group | |||||||||||||||
NLSYV NYSV NDV |
NLSYV NYSV CyEVA |
NLSYV NYSV NLV |
NDV NLSYV |
NDV NYSV |
NLSYV NYSV |
NLSYV OrMV |
CyEVA NYSV |
NLSYV | NYSV | NDV | CyEVA | OrMV | NLV | |||
Hokkaido | 24 | 9 (37.5) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 1 | 0 | 2 |
Tohoku | 25 | 7 (28.0) | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 0 |
Kanto | 30 | 23 (76.7) | 2 | 0 | 0 | 2 | 0 | 8 | 1 | 0 | 8 | 0 | 0 | 2 | 0 | 0 |
Chubu | 19 | 14 (73.7) | 2 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 5 | 1 | 1 | 0 | 0 | 0 |
Kinki | 21 | 13 (61.9) | 2 | 0 | 0 | 1 | 1 | 2 | 0 | 1 | 4 | 2 | 0 | 0 | 0 | 0 |
Chugoku | 9 | 8 (88.9) | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 0 |
Shikoku | 15 | 10 (66.7) | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 3 | 0 | 1 | 1 | 1 |
Kyushu and Okinawa | 46 | 36 (78.3) | 2 | 1 | 0 | 4 | 1 | 4 | 0 | 1 | 8 | 13 | 1 | 0 | 0 | 1 |
Total | 189 | 120 (63.5) | 10 (8.3) | 1 (0.8) | 1 (0.8) | 14 (11.7) | 3 (2.5) | 15 (12.5) | 2 (1.7) | 2 (1.7) | 37 (30.8) | 23 (19.2) | 3 (2.5) | 4 (3.3) | 1 (0.8) | 4 (3.3) |
1 This includes cyrtanthus elatus virus A (CyEVA), narcissus degeneration virus (NDV), narcissus late season yellows virus (NLSYV), narcissus latent virus (NLV), narcissus yellow stripe virus (NYSV), and/or ornithogalum mosaic virus (OrMV). Percentage (%); number of plants detected/number of plants examined for virus infection in each district. 2 TuMV group: turnip mosaic virus phylogenetic group and OYDV group: onion yellow dwarf virus phylogenetic group.