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narcissus bulbocodium/atròfia
L'enllaç es desa al porta-retalls
7 resultats
First Report of Narcissus degeneration virus, Narcissus late season yellows virus, and Narcissus symptomless virus on Narcissus in New Zealand.
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In September 2008, Narcissus plants originating from commercial nurseries in Taranaki (TK) in New Zealand's North Island and Canterbury (CB) in the South Island were received showing leaf mottling, flower distortion, and color break. The CB plant also showed stunting. Filamentous virus particles
Characterisation of an isolate of Narcissus degeneration virus from Chinese narcissus (Narcissus tazetta var. chinensis).
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A potyvirus from Chinese narcissus was transmitted mechanically to three species of Narcissus and to Lycoris radiata but not to 22 other test species. In western blot, the coat protein reacted strongly with Narcissus degeneration virus (UK isolate) antiserum. Antiserum raised to the Chinese virus
Sequence analyses of RT-PCR products obtained from seven infected leaf samples revealed existence of three potyvirus species in Indian narcissus ( Narcissus tazetta L.)
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Potyvirus species associated with yellow leaf stripe disease of Indian narcissus (Narcissus tazetta L.) var. Paperwhite has been studied by sequence analyses of ~ 1.5 kb genomic fragments obtained from seven RT-PCR amplifications of infected samples. Sequence analysis revealed the occurrence
Differential ovule development following self- and cross-pollination: the basis of self-sterility in Narcissus triandrus (Amaryllidaceae).
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Self-pollination results in significantly lower seed set than cross-pollination in tristylous Narcissus triandrus. We investigated structural and functional aspects of pollen-pistil interactions and ovule-seed development following cross- and self-pollination to assess the timing and mechanism of
Evolutionary rates and genetic diversities of mixed potyviruses in Narcissus.
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There is no attempt to evaluate evolutionary rates, timescales and diversities of viruses collected from mixedly infected hosts in nature. Plants of the genus Narcissus are a monocotyledon and are susceptible to several viruses. In this study, narcissus plants (Narcissus tazetta var. chinensis)
Colour break in reverse bicolour daffodils is associated with the presence of Narcissus mosaic virus.
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BACKGROUND
Daffodils (Narcissus pseudonarcissus) are one of the world's most popular ornamentals. They also provide a scientific model for studying the carotenoid pigments responsible for their yellow and orange flower colours. In reverse bicolour daffodils, the yellow flower trumpet fades to white
Complete genome sequences of seven carlavirus and potyvirus isolates from Narcissus and Hippeastrum plants in Australia, and proposals to clarify their naming.
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Complete genome sequences were obtained from two isolates of the carlavirus nerine latent virus from hippeastrum and narcissus plants, two isolates of the potyvirus hippeastrum mosaic virus from a hippeastrum plant, and one isolate each of the potyviruses narcissus degeneration virus, narcissus
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