Invasion information | ||
Range in Japan | Almost entire Japan | |
Origin | Unknown. | |
Date | Introduced in ca. 1870. Spread since 1940s | |
Route | Deliberate: As ornamental plant and for medical use. Accidental: With imported grain. | |
Impact | Competition with native species and crops. Disturbance of cattle by unpleasant odor. Allelopathy. Parasite (insects, nematodes, fungi, viruses). Native organism(s) affected: Native grasses, crops, cattle, etc. | |
Regulation in Japan | Import of Solanacea plants from countries or areas with Ceratitis capitata, Leptinotarsa decemlineata, Globodera rostochiensis, Globodera pallida, Synchytrium endobioticum, or Peronospora tabacina is prohibited by the Plant Protection Law. | |
Introduced range in other countries | South America, Africa, Europe, Asia, Oceania |
Reference | Notes |
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