Floral Induction in the Short-Day Plant Chrysanthemum Under Blue and Red Extended Long-Days.

ABSTRACT: Shorter photoperiod and lower daily light integral (DLI) limit the winter greenhouse production. Extending the photoperiod by supplemental light increases biomass production but inhibits flowering in short-day plants such as Chrysanthemum morifolium. Previously, we reported that flowering in growth-chamber grown chrysanthemum with red (R) and blue (B) LED-light could also be induced in long photoperiods by applying only blue light during the last 4h of 15h long-days. This study investigates the possibility to induce flowering by extending short-days in greenhouses with 4h of blue light. Furthermore, flower induction after 4h of red light extension was tested after short-days RB-LED light in a growth-chamber and after natural solar light in a greenhouse. Plants were grown at 11h of s

SUBMITTER: SharathKumar M 

PROVIDER: S-EPMC7868430 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature