Annual Accumulation of CymMV May Lead to Loss in Production of Asymptomatic Vanilla Propagated by Cuttings

文献类型： 外文期刊

第一作者： Gu, Fenglin

作者： Gu, Fenglin;Ji, Changmian;Wang, Yu;Zhao, Qingyun;Gu, Fenglin;Xu, Fei;Wu, Guiping;Zhu, Hongying;Zhao, Qingyun;Zhang, Zhiyuan

作者机构：

关键词： Vanilla planifolia Andrews; glucovanillin; transcriptome; Cymbidium mosaic virus

期刊名称：PLANTS-BASEL （ 影响因子：4.0； 五年影响因子：4.4 ）

ISSN： 2223-7747

年卷期： 2024 年 13 卷 11 期

页码：

收录情况： SCI

摘要： Vanilla (Vanilla planifolia Andrews) is a valuable orchid spice cultivated for its highly priced beans. Vanilla has been planted in Hainan province of China via cutting propagation for about 40 years. The yield has been decreasing annually for the past ten years due to pod numbers declining significantly even though it seems to grow normally without disease symptoms, while the reason is still unknown. In this study, we found that Cymbidium mosaic virus (CymMV), one of the most devastating viruses causing losses in the vanilla industry, massively presented within the pods and leaves of vanilla plants, so the virus infecting the vanilla seems to be a highly probable hypothesis of the main contributions to low yield via decreasing the number of pods. This represents the first speculation of CymMV possibly affecting the yield of vanilla in China, indicating the important role of virus elimination in restoring high yield in vanilla. This research can also serve as a warning to important economic crops that rely on cuttings for propagation, demonstrating that regular virus elimination is very important for these economically propagated crops through cuttings.

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