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L'ACTIVITÉ RESPIRATOIRE DE PERILLA NANKINENSIS (S.D.P.) EN FONCTION DES CONDITIONS LUMINEUSES (DURÉE, INTENSITÉ)
Author(s) -
Deleuze Guy G.
Publication year - 1966
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1966.tb05967.x
Subject(s) - respiration , perilla , light intensity , horticulture , zoology , germination , chemistry , biology , botany , physics , ecology , raw material , optics
— Day length and light intensity influence the respiratory activity of Perila nankinensis (short‐day plant). Oxygen consumption in the leaves and in the apical bud is always greater in 8‐hr days than in 16‐hr days. It decreases during the course of development in short days (from germination to flowering) and in long days (vegetative growth). It increases after a transfer from non‐inductive day length to inductive (leading to flowering) and decreases after the inverse transfer. In both short days and long days, respiration rate in the leaves and the apical bud depend on light intensity. In short days, the reduction of light intensity decreases the respiratory activity. In long days, the respiration rate increases only temporarily.