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A virus disease of Dieffenbachia 'Exotica'

, : A virus disease of Dieffenbachia 'Exotica'. Acta Horticulturae (59): 175-180

The virus, with flexuous rod-shaped particles, was transmitted from Exotica plants to seedlings of Philodendron selloum, where growth stunting, streaking and malformation of the leaves were induced. Peak length of 205 particles in P. selloum was 807 nm. Back inoculation to Exotica caused growth stunting, sometimes tip necrosis, malformation and brown necrotic edges to the leaves. The normal mosaic pattern sometimes changed to a dirty yellowish colour.

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Related references

Hakkaart, F.A., 1976: Virus disease of Dieffenbachia cv. Exotica. A discussion covering symptoms of dasheen mosaic virus on Dieffenbachia cv. Exotica and on the test plant Philodendron selloum, transmission, roguing of diseased plants on visual symptoms and control in the nursery.

Zimmer, K.; Koch, L.; Pahlow, G., 1973: Tissue culture of Dieffenbachia 'Exotica'. (Preliminary communication). The culture of Dieffenbachia from shoot tips in a liquid medium for 8 weeks and thereafter on a solid medium is described.

McConnell, D.B.; Ingram, D.L.; Groga Bada, C.; Sheehan, T.J., 1978: Effect of chilling on propagation of Dieffenbachia Exotica Perfection. Plants and plant parts were exposed to 7 deg C for 0, 3 or 6 days and after treatment stem and leaf tip cuttings were propagated under intermittent mist. In leaf tip cuttings root production decreased with increased exposure to the chilling temper...

Mcconnell, D.; Ingram, D.; Groga-Bada, C.S.eehan, T., 1981: Chilling effects on propagation of Dieffenbachia Exotica Perfection. Foliage digest 4(4): 3-4

Zimmer,, L.P.blow, G., 1973: Tissu culture of Dieffenbachia Exotica (Preliminary note). Gartenbauwissenschaft 8 (4) 353-355

Kalkman, Ec, 1982: Substrate and nitrogen-fertilization trial with Dieffenbachia Exotica Compacta. Bloemisterij onderzoek in Nederland over: 33-136

Mcconnell D.B., 1983: Night temperatures and dieffenbachia cultivar exotica perfection growth rate. Hortscience 18(4 SECT 2): 608

Kuballa, B.; Anton, R., 1977: Choice of a pharmacological method for the study of the toxic components of dieffenbachia exotica. Oral contact of fluid from Dieffenbachia caused burning of the lips, tongue and bucco-pharyngeal mucosa, local edema and paralysis of the vocal cords in humans. As a prerequisite to the eventual isolation of the compounds responsible for these rea...

Andersen, A., 1979: The influence of temperature on photosynthetic rate in Dieffenbachia maculata (Lodd.) 'Exotica Perfection'. The influence of light, day temperature, night temperature and increased root temperature on net photosynthesis in D. maculata was investigated in a growth chamber. The effect of day temperature on net CO2 uptake was investigated over the range 12...

Christensen, Ov, 1977: Index of production time and space requirements of Dieffenbachia maculata Exotica Perfection. Meddelelse 1977, 79 (1341)