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<p>Chrysanthemum stunt viroid (CSVd) is reported for the first time in trailing verbena in nursery stock in New Zealand. RT-PCR with published Pospiviroid primers detected CSVd in four of seven vegetatively propagated samples from a commercial nursery but not in seed propagated plants from a national retail chain. The isolate had 99% identity with isolates from overseas. Plants were also infected with a number of viruses which may be masking CSVd’s effect on its host. This finding highlights verbena as a previously unrecognised potential reservoir of CSVd in the country’s nursery and horticulture industries.</p>

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Disease note: first report of chrysanthemum stunt viroid in verbena (Verbena x hybrida) in New Zealand

  • 期刊论文

  • 发表日期：

    2025年9月23日

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  • Paul L. Guy

摘要

Chrysanthemum stunt viroid (CSVd) is reported for the first time in trailing verbena in nursery stock in New Zealand. RT-PCR with published Pospiviroid primers detected CSVd in four of seven vegetatively propagated samples from a commercial nursery but not in seed propagated plants from a national retail chain. The isolate had 99% identity with isolates from overseas. Plants were also infected with a number of viruses which may be masking CSVd’s effect on its host. This finding highlights verbena as a previously unrecognised potential reservoir of CSVd in the country’s nursery and horticulture industries.