Chrysanthemum Stunt Viroid, a Disease of Large-flowered Chrysanthemum in Niigata Prefecture.

Sugiura, Hiroyuki; Hanada, Kaoru

doi:10.2503/jjshs.67.432

Cited by 14 publications

(11 citation statements)

References 9 publications

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“…The nucleotide sequence length of CSVd obtained from 14 infected cultivated chrysanthemum and 7 wild chrysanthemum samples was 354 nt, the same as reported from Hyogo (Shiwaku et al, 1996), Hokkaido (Li et al, 1997), Niigata (Sugiura and Hanada, 1998), Yamagata (Kanematsu, 1998), andShizuoka (Doi andKato, 2004), but shorter than the 356 nt reported from Kumamoto (Moriyama et al, 1996). Sequence lengths registered in DDBJ from other countries are 348 in India, 354 in Korea, Hungary, and the USA, 355 in Canada and the USA, and 356 in Australia (Haseloff and Symons, 1981).…”

Section: Complete Sequences Of Csvd In Infected Chrysanthemum Plants supporting

confidence: 52%

“…japonense, C. indicum var. indicum, C. makinoi, C. zawadskii Kanematsu et al, 1998) 4 Sugiura and Hanada, 1998) We distinguished 5 sequence variants of CSVd among the isolates (Table 3). Variant 5, from C. morifolium (AB279771), and variant 4, from C. yoshinaganthum (AB279770), differ from those previously reported.…”

Section: Complete Sequences Of Csvd In Infected Chrysanthemum Plants mentioning

confidence: 99%

“…Since the first detection of CSVd in Japan (Osawa et al, 1977), it has been reported in cultivated chrysanthemums in the prefectures of Mie (Hanada et al, 1982), Kagawa (Kusunoki et al, 1993), Hyogo (Shiwaku et al, 1996), Kumamoto (Moriyama et al, 1996), Hokkaido (Li et al, 1997), Yamagata (Kanematsu, 1998), Niigata Hanada, 1998), andShizuoka (Doi andKato, 2004); however, its distribution and the range of variation in the complete nucleotide sequence have not yet been clearly shown in Japan.…”

Section: Introductionmentioning

confidence: 99%

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Nucleotide Sequences and Distribution of Chrysanthemum Stunt Viroid in Japan

Matsushita

Tsukiboshi

Itō

et al. 2007

J. Japan. Soc. Hort. Sci.

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We assayed for Chrysanthemum stunt viroid (CSVd) in cultivated chrysanthemum (Chrysanthemum morifolium) collected from 10 prefectures in Japan and 8 wild species (Chrysanthemum spp.) cultivated at the National Institute of Floricultural Science (NIFS), Japan and determined complete nucleotide sequences of CSVd isolates infecting plants. CSVd was detected in 80 of 89 samples of cultivated chrysanthemum, and samples from all prefectures were infected. Since all 8 wild species had CSVd in RT-PCR results, they were recognized as hosts of CSVd, even though no stunt symptoms were observed. Five sequence variants of CSVd were distinguished among the 21 isolates based on the difference of the nucleotide sequences. Mutations were common in the P (pathogenicity) domain. Variant 5 from C. morifolium, and variant 4 from C. yoshinaganthum had different nucleotide sequences from those reported previously. Variant 1 was most frequently detected from samples in 6 prefectures and is assumed to be the predominant CSVd variant distributed in Japan.

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Section: Complete Sequences Of Csvd In Infected Chrysanthemum Plants supporting

confidence: 52%

Section: Complete Sequences Of Csvd In Infected Chrysanthemum Plants mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Nucleotide Sequences and Distribution of Chrysanthemum Stunt Viroid in Japan

Matsushita

Tsukiboshi

Itō

et al. 2007

J. Japan. Soc. Hort. Sci.

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“…The effects on the chrysanthemum plant are known to be severe, including stunting of plant height, poor root 10,20,29,54 . However, the effects on plants infected with CSVd varies according to the chrysanthemum cultivar and environmental conditions.…”

Section: Effectsmentioning

confidence: 99%

Chrysanthemum Stunt Viroid

Matsushita

2013

JARQ

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The chrysanthemum stunt viroid (CSVd) is a small, single-stranded, infectious RNA forming a circular secondary structure, which belongs to the Pospiviroidae family and mainly infects certain species and cultivars of Compositae and Solanaceae. The effects on cultivated chrysanthemum are severe, including stunting of plant height, reduced flower size, and flower color bleaching. However, the expression of the symptoms depends on the chrysanthemum cultivars. CSVd is known to be readily transmitted by sap, but the infection rate and incubation period were observed to differ according to the varieties. Some CSVd-resistant cultivars have also been reported and the resistance is heritable in crosses between a CSVd-resistant chrysanthemum cultivar and CSVd-susceptible cultivars.

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“…For low temperature treatment, 2-4°C treatment for 8 months produced 50% 342 Hop stunt viroid (HSVd)-free plants (Adams et al, 1996). Effects of low temperature include a decreased viroid titer of infected plants under natural conditions e.g., in chrysanthemum, some winter suckers of Chrysanthemum stunt viroid (CSVd)-infected cultivars become viroid free, caused by low winter temperatures in Japan (Sugiura and Hanada, 1998). To improve viroidfree plant production, these temperature therapies are used in combination with shoot tip culture or shoot tip grafting (Barba et al, 2003b); however, utilization of these temperature methods is limited because of the long treatment period and some viroids, such as PSTVdinfecting potato plants (Barba et al, 2003b), remain unaffected by high temperature.…”

Section: Introductionmentioning

confidence: 99%

Leaf Primordia-Free Shoot Apical Meristem Culture: A New Method for Production of Viroid-Free Plants

Hosokawa

2008

J. Japan. Soc. Hort. Sci.

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Viroids are the smallest and one of the most problematic pathogens known in horticulture. Despite not coding for proteins they replicate in nuclei or chloroplasts using host enzymes. From many pathological studies, it is obvious that viroids are completely different agents from viruses. For the past 40 years, elimination of viroids from infected plants has been the main theme in horticulture and several approaches have been established; however, these procedures remain complicated. Leaf primordia-free shoot apical meristem culture is a newly established method that can effectively eliminate viroids. Therefore, in this review, the method is summarized and the mechanism of viroid elimination is discussed.

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Chrysanthemum Stunt Viroid, a Disease of Large-flowered Chrysanthemum in Niigata Prefecture.

Cited by 14 publications

References 9 publications

Nucleotide Sequences and Distribution of Chrysanthemum Stunt Viroid in Japan

Nucleotide Sequences and Distribution of Chrysanthemum Stunt Viroid in Japan

Chrysanthemum Stunt Viroid

Leaf Primordia-Free Shoot Apical Meristem Culture: A New Method for Production of Viroid-Free Plants

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