Articles
INTERACTIONS OF PHOTOPERIOD AND TEMPERATURE ON FLOWERING OF LIATRIS
Article number
205_17
Pages
113 – 120
Language
Abstract
After the cold treatment, a 20°C treatment for 1 to 3 weeks prior to planting increased the variability of emergence and the days to anthesis.
Low winter forcing temperatures 35 days after emergence, increased the days to flower by 50% compared to liatris forced in the summer.
The days to flower from emergence was inversely related to the forcing temperature.
The 18° treatment promoted uniform flower stem development and increased the number of plants which flowered compared to the 13° forcing temperature.
Low winter forcing temperatures 35 days after emergence, increased the days to flower by 50% compared to liatris forced in the summer.
The days to flower from emergence was inversely related to the forcing temperature.
The 18° treatment promoted uniform flower stem development and increased the number of plants which flowered compared to the 13° forcing temperature.
Long day treatment during the first 35 days after emergence hastened flowering at 15° while at the 13° and 18° forcing temperatures the temperature response was negated by the photoperiod response.
A sixteen hour photoperiod promoted rapid floral stem elongation.
Authors
I. Espinosa, W. Healy, M. Roh
Keywords
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