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Papaya ringspot virus in australia and the development of virus resistant plants

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Drew, R., Persley, D., O'Brien, C. and Bateson, M. (2005) Papaya ringspot virus in australia and the development of virus resistant plants. Acta Horticulturae, 692 . pp. 101-106. ISSN 0567-7572

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Article Link: https://doi.org/10.17660/ActaHortic.2005.692.12


Papaya is a popular fruit crop in many tropical and subtropical regions. It grows quickly and is capable of bearing large crops. Because of extensive monoculture and a narrow gene-pool, papaya plants are susceptible to numerous diseases. Papaya ringspot virus, type P (PRSV-P), causes the most widespread of these diseases. Although it is not currently a major problem in Australia, PRSV-P dramatically reduces yield in many countries. Vasconcellea quercifolia is one of four wild Carica species that are known to be PRSV-P resistant. Hybrids of these species grow vigorously in the field. Males, females and hermaphrodites have been identified, and a few male hybrids exhibited some pollen fertility. A backcross generation has been produced. One plant was fertile and showed resistance to PRSV-P. Transgenic plants containing viral coat protein constructs have also shown resistance to PRSV-P in field plantings. In this paper, progress toward achieving PRSV-P resistance for papaya using both approaches is examined.

Item Type:Article
Subjects:Plant culture > Fruit and fruit culture
Plant pests and diseases > Individual or types of plants or trees
Live Archive:04 Feb 2024 22:32
Last Modified:04 Feb 2024 22:32

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