NDLI: Citrus exocortis viroid transmission through commercially-distributed seeds of Impatiens and Verbena plants

Content Provider	Springer Nature Link
Author	Singh, Rudra P. Dilworth, Andrea D. Ao, Xiaoping Singh, Mathuresh Baranwal, Virendra K.
Copyright Year	2009
Abstract	Surveys of Impatiens and Verbena species in local nurseries in Fredericton, Canada and Verbena species in New Delhi, India showed widespread infection of Citrus exocortis viroid (CEVd) in vegetatively-propagated and seed-grown plants. To determine viroid seed transmission, samples of eight varieties of Impatiens and 11 varieties of Verbena were obtained from four commercial sources. All 19 samples collected contained viroid infection irrespective of variety. The presence of viroid in non-germinated seed was 21%, while the transmission rate in seedlings was 66% in Impatiens walleriana in 2006. Following 2 years of seed storage, the respective figures were 6% and 26%. Similarly, in Verbena x hybrida the presence of viroid in seed was 13% in 2006 with a seed-transmission rate in seedlings of 28%, while the respective figures after 2 years of storage were 5% and 45%.
Starting Page	691
Ending Page	694
Page Count	4
File Format	PDF
ISSN	09291873
Journal	European Journal of Plant Pathology
Volume Number	124
Issue Number	4
e-ISSN	15738469
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-02-12
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ornamental plants Seed transmission Spread of viroids Life Sciences Agriculture Ecology Plant Sciences Plant Pathology
Content Type	Text
Resource Type	Article
Subject	Plant Science Horticulture Agronomy and Crop Science

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