For example, an increase in DLI from 10.5 to 21.8 mol m−2d−1(MDT of 20◦C) reduced DTF from transplant by 21 d in snapdragon, 16 din pot marigold, 3 d in impatiens, 4 d in mimulus (Mimulus hybridusHort. Ex Siebert & Voss), and 12 d in torenia (Warner and Erwin,2005). A higher DLI can reduce flowering time by initiating flowering at a lower node, by accelerating the flower development rate because of an increase in plant temperature, or both. Faust and Heins (1998) and Mattson and Erwin (2005) reported an increase of 1–2◦C in plant temperature under supplemental high-pressure sodium lighting
For example, an increase in DLI from 10.5 to 21.8 mol m−2d−1(MDT of 20◦C) reduced DTF from transplant by 21 d in snapdragon, 16 din pot marigold, 3 d in impatiens, 4 d in mimulus (Mimulus hybridusHort. Ex Siebert & Voss), and 12 d in torenia (Warner and Erwin,2005). A higher DLI can reduce flowering time by initiating flowering at a lower node, by accelerating the flower development rate because of an increase in plant temperature, or both. Faust and Heins (1998) and Mattson and Erwin (2005) reported an increase of 1–2◦C in plant temperature under supplemental high-pressure sodium lighting
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