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The Influence of the Synthetic Growth Regulator α‐Chloro‐(β‐(3‐chloro‐o‐tolyl) propionitrile on Some Phytochrome‐mediated Processes
Author(s) -
DIERICKX P. J.,
VENDRIG J. C.
Publication year - 1973
Publication title -
physiologia plantarum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.351
H-Index - 146
eISSN - 1399-3054
pISSN - 0031-9317
DOI - 10.1111/j.1399-3054.1973.tb01204.x
Subject(s) - propionitrile , auxin , chemistry , phytochrome , regulator , sinapis , growth regulator , stereochemistry , biochemistry , botany , biology , organic chemistry , red light , acetonitrile , gene , brassica
In intact Sinapis alba seedlings the synthetic growth regulator α‐chloro‐β‐(3‐chloro‐ o ‐tolyl)propionitrile (PRB‐8) inhibits the phytochrome‐mediated anthocyanin synthesis, carotenoid synthesis and L‐phenylalanine ammonia‐lyase activity. This action was compared with that of other auxins and with that of α‐chloro‐β‐(3‐chloro‐ o ‐tolyl)propionitrile‐homologues. From the results it appeared that PRB‐8 and some other o ‐tolyl derivatives are more inhibitive than other known auxins.