Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/71049
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dc.contributor.authorBau, H.J.en_US
dc.contributor.authorCheng, Y.H.en_US
dc.contributor.authorYu, T.A.en_US
dc.contributor.authorYang, J.S.en_US
dc.contributor.authorHsiao, C.H.en_US
dc.contributor.authorLin, C.Y.en_US
dc.contributor.authorYeh, S.D.en_US
dc.date2004zh_TW
dc.date.accessioned2014-06-11T06:00:47Z-
dc.date.available2014-06-11T06:00:47Z-
dc.identifier.issn0191-2917zh_TW
dc.identifier.urihttp://hdl.handle.net/11455/71049-
dc.description.abstractFour transgenic papaya lines expressing the coat protein (CP) gene of Papaya ringspot virus (PRSV) were evaluated under field conditions for their reaction to PRSV infection and fruit production in 1996 to 1999. Plants were exposed to natural virus inoculation by aphids in two adjacent fields in four different plantings at the same sites. None of the transgenic lines showed severe symptoms of PRSV whereas control nontransgenic plants were 100 % severely infected 3 to 5 months after planting. In the first and second trials, 20 to 30% of the transgenic plants showed mild symptoms consisting of confined mottling or chlorotic spots on leaves. The number of transgenic plants with mild symptoms fluctuated according to the season and weather conditions, with a tendency to increase in the winter or rainy season and decrease in the summer. Also, the incidence of the mild symptoms in the third trial increased significantly due to infection by root rot fungi during the rainy season. Interestingly, there was no apparent adverse effect on fruit yield and quality in transgenic plants with mild symptoms. In the first and second experiments, transgenic lines yielded 10.8 to 11.6 and 54.3 to 56.7 times more marketable fruit, respectively, than controls. All transgenic plants produced fruit of marketable quality with no ringspots or distortion.en_US
dc.language.isoen_USzh_TW
dc.relationPlant Diseaseen_US
dc.relation.ispartofseriesPlant Disease, Volume 88, Issue 6, Page(s) 594-599.en_US
dc.relation.urihttp://dx.doi.org/10.1094/pdis.2004.88.6.594en_US
dc.subjectcross-protectionen_US
dc.subjectresistanceen_US
dc.subjectmutantsen_US
dc.subjecttissuesen_US
dc.titleField evaluation of transgenic papaya lines carrying the coat protein gene of Papaya ringspot virus in Taiwanen_US
dc.typeJournal Articlezh_TW
dc.identifier.doi10.1094/pdis.2004.88.6.594zh_TW
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