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The effect of explant density, temperature and light on rhizome growth in vitro of Alstroemeria

Bond, S. ; Alderson, P. G.

The Journal of horticultural science, 1993, Vol.68 (6), p.855-859 [Periódico revisado por pares]

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Título:
The effect of explant density, temperature and light on rhizome growth in vitro of Alstroemeria
Autor: Bond, S. ; Alderson, P. G.
Assuntos: Agronomy. Soil science and plant productions ; Biological and medical sciences ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Vegetative propagation. Micropropagation ; Vegetative propagation. Sowing and planting. Harvesting
É parte de: The Journal of horticultural science, 1993, Vol.68 (6), p.855-859
Descrição: The effects of number of rhizome explants per culture jar and of ranges of temperature, irradiance and daylength on explant growth, were assessed for Alstroemeria in vitro. Increasing explant number from one to five per culture jar produced no significant differences in the number of aerial shoots per explant, whereas an explant number of six produced a significant decrease (P = 0.01). Increases of temperature, in the range 8 to 18°C significantly increased the number of lateral rhizomes and aerial shoots per explant. Root number was unaffected by temperature. Decreases in irradiance from 20 W m-2 to 5 W m'2, and increases in daylength from 8 to 20 h, produced no significant changes in the number of lateral rhizomes, aerial shoots or roots per explant. For good multiplication the requirements for the culture environment were a temperature of 15°C, an irradiance of 5 W m~2 with a daylength of 8 h.
Editor: Ashford: Taylor & Francis
Idioma: Inglês

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