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PHYTOCHROME DESTRUCTION IN DARK ‐ AND LIGHT‐GROWN AMARANTHUS CAUDATUS SEEDLINGS
Author(s) -
Heim Brigitte,
Jabben Merten,
Schäfer Eberhard
Publication year - 1981
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.1751-1097.1981.tb08966.x
Subject(s) - phytochrome , pharbitis nil , botany , red light , blue light , biology , brassica , chemistry , horticulture , physics , optics
— Slow destruction of the far‐red‐absorbing form of phytochrome (P fr ), which has been observed in light‐grown oat and maize, occurs in light‐ and dark‐grown Amaranthus, Pharbitis , and Brassica seedlings as well. Destruction of P fr in these seedlings shows two phases: if a high level of P fr is produced in dark‐grown seedlings, the destruction is fast in the beginning and then slows after a low P fr level has been reached. Slow P fr destruction is predominant in light‐grown tissue.