Affiliation:
1. Akita Kenritsu Daigaku Seibutsu Shigen Kagakubu
2. Akita Prefectural University
Abstract
Abstract
Dahlias naturally infected with potato spindle tuber viroid (PSTVd) do not exhibit symptoms. Therefore, if highly pathogenic isolates infect dahlias, there is significant risk of PSTVd infecting other plants via dahlia. In this study, almost all highly pathogenic isolates can infect dahlia plants, but symptoms vary depending on the cultivar. When mixed inocula composed of dahlia isolates and highly pathogenic isolates were tested, the dahlia isolates dominantly infected dahlia plants; however, the highly pathogenic isolates also co-infected plants. In addition, our results indicate that seed or pollen transmission from infected dahlia plants does not occur.
Publisher
Research Square Platform LLC
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