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Relations polyphenols‐croissance: Lignification et limitation de croissance chez Lycopersicum esculentum
Author(s) -
Et GÉRARD MARIGO,
BOUDET ALAIN M.
Publication year - 1980
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.1399-3054.1980.tb03329.x
Subject(s) - quinic acid , lignin , polyphenol , xylem , chemistry , cellulose , limiting , botany , cell wall , pectinase , horticulture , biochemistry , biology , enzyme , antioxidant , mechanical engineering , engineering
Polyphenols and growth – Lignification and limitation of growth in Lycopersicum esculentum . When fed with quinic acid, young tomato seedlings ( Lycopersicum esculentum Mill. cv. St. Pierre) exhibited reduced growth and marked changes in cell wall composition: cellulose concentrations decreased whereas those of lignin increased. Exogenously supplied growth substances (IAA, GA 3 ) affected both the size of the plants and the lignification process: IAA treatments resembled quinic acid induced modifications with regard to both size and lignification: GA 3 applied to quinate treated plants counteracted the effects of this compound by reducing the lignin content and improving the growth. The possible effect of abnormal lignification as a limiting factor in cell growth is supported by the characterization of lignins in tissues different from xylem.