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231225s2015 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-12-14-1243-RE
|2 doi
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|a pubmed25n0977.xml
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Li, Shu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Occurrence and Identification of a New Vector of Rice Orange Leaf Phytoplasma in South China
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|c 2015
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 20.11.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Rice orange leaf disease (ROLD) is caused by rice orange leaf phytoplasma (ROLP) and occurs sporadically in rice-growing areas in countries of eastern and southeastern Asia. ROLD caused severe damage to rice production in South China in the 1980s. Although its impact subsequently declined in South China, it has reemerged as a serious threat recently. Our study showed that ROLD occurrence varies in different seasons and fields. It was more severe in summer-grown crops (from July to October) than in spring-grown crops (from March to July). In most fields, the incidence was less than 10%, and diseased plants were scattered throughout the fields. In 20% of fields, the incidence was between 10 and 30%. In some fields, over 90% of plants were affected, causing crop failure. Typical symptoms of ROLD include orange-colored leaves and poor growth. Diseased plants were determined as positive for ROLP but negative for Rice tungro bacilliform virus, Rice tungro spherical virus, and Rice transitory yellowing virus through polymerase chain reaction and reverse-transcription polymerase chain reaction. Phytoplasma bodies but not virus-like particles were observed by electron microscopy in phloem tissue of diseased leaves. The leafhopper Inazuma dorsalis, previously identified as the unique vector for ROLP, was rare in the affected fields. Another leafhopper, Nephotettix cincticeps, previously considered a nonvector for this phytoplasma, was very common. Transmission tests revealed that this insect could also transmit ROLP; therefore, it might represent a new vector responsible for the recent incidence of ROLD
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4 |
|a Journal Article
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| 700 |
1 |
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|a Hao, Weijia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Guanghua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Jilei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Chuanhe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Guohui
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 99(2015), 11 vom: 09. Nov., Seite 1483-1487
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:99
|g year:2015
|g number:11
|g day:09
|g month:11
|g pages:1483-1487
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-12-14-1243-RE
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