Efficiency of thermotherapy for eliminating apple rubbery wood virus 2 and other viruses from apple plants

In this study, we evaluated the effectiveness of thermotherapy in eliminating apple rubbery wood virus 2 (ARWV-2) in six infected apple varieties collected from regions in China. These plants were subjected to high-temperature treatment, followed by excision of shoot tips, which were subsequently gr...

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Bibliographic Details
Published in:Australasian plant pathology 2024-03, Vol.53 (2), p.151-157
Main Authors: Hu, G.-J., Dong, Y.-F., Zhang, Z.-P., Fan, X.-D., Ren, F.
Format: Article
Language:English
Subjects:
Agriculture
Apples
Biomedical and Life Sciences
China
Ecology
Entomology
excision
Fruits
Germplasm
High temperature
Life Sciences
Original Research Article
Plant Pathology
Plant Sciences
Plant virus diseases
Plant viruses
rootstocks
Stem pitting
Stems
Survival
Thermal stability
Thermotherapy
Tips
Viruses
Wood
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Summary:In this study, we evaluated the effectiveness of thermotherapy in eliminating apple rubbery wood virus 2 (ARWV-2) in six infected apple varieties collected from regions in China. These plants were subjected to high-temperature treatment, followed by excision of shoot tips, which were subsequently grafted onto the rootstock. All varieties exhibited high thermostability, but the survival rates (average: 30.5%) of the shoot tips varied markedly. The regenerated plants were tested using semi-nested PCR; the results showed that the ARWV-2 elimination efficiencies differed greatly among the varieties. The elimination rates were > 80% for Baxianzaofu and Ruixue and
ISSN:0815-3191
1448-6032
DOI:10.1007/s13313-024-00966-8