low temperature treatment affects concentration and distribution of chrysanthemum stunt viroid in argyranthemum

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ID: 151729
2016
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Ranked #697 of 875 articles by views in journal of magnetic resonance (san diego, calif : 1997)

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Abstract
Chrysanthemum stunt viroid (CSVd) can infect Argyranthemum and cause serious economic loss. Low temperature treatment combined with meristem culture has been applied to eradicate viroids from their hosts, but without success in eliminating CSVd from diseased Argyranthemum. The objectives of this work were to investigate 1) the effect of low temperature treatment combined with meristem culture on elimination of CSVd, 2) the effect of low temperature treatment on CSVd distribution pattern in shoot apical meristem (SAM), and 3) CSVd distribution in flowers and stems of two infected Argyranthemum cultivars. After treatment with low temperature combined with meristem tip culture, two CSVd-free plants were found in ‘Border Dark Red’, but none in ‘Yellow Empire’. With the help of in situ hybridization, we found that CSVd distribution patterns in the SAM showed no changes in diseased ‘Yellow Empire’ following 5oC treatment, compared with non-treated plants. However, the CSVd-free area in SAM was enlarged in diseased ‘Border Dark Red’ following prolonged 5oC treatment. Localization of CSVd in the flowers and stems of infected ‘Border Dark Red’ and ‘Yellow Empire’ indicated that seeds could not transmit CSVd in these two cultivars, and CSVd existed in phloem. Results obtained in the study contributed to better understanding of the distribution of CSVd in systemically infected plants and the combination of low temperature treatment and meristem tip culture for production of viroid-free plants.
Reference Key
ezhang2016frontierslow Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Zhibo eZhang;Zhibo eZhang;YeonKyeong eLee;Astrid eSivertsen;Gry eSkjeseth;Sissel eHaugslien;Jihong liu eClarke;Qiaochun eWang;Dag-Ragnar eBlystad
Journal journal of magnetic resonance (san diego, calif : 1997)
Year 2016
DOI
10.3389/fmicb.2016.00224
URL
http://journal.frontiersin.org/Journal/10.3389/fmicb.2016.00224/full
Keywords
shoot apical meristem in situ hybridization

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