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Chlorophyll Destruction in Lemon Fruit by Light and 2′,4’Dichloro 1‐Cyanoethane‐sulphonanilide
Author(s) -
HALL A. E.,
COGGINS C. W.
Publication year - 1978
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.1399-3054.1978.tb08621.x
Subject(s) - photon flux , chlorophyll , chlorophyll a , chemistry , horticulture , botany , biology , photon , biochemistry , optics , physics
Chlorophyll content decreased when excised lemon fruits were exposed to light. A quantitative model for the photodestruction of chlorophyll exhibited reasonable agreement with data on in vivo destruction of chlorophyll. Photodestruction of chlorophyll was enhanced by treating fruit with 2′,4′‐dichloro‐l‐cyanoethane‐sulphonanilide (R33417). Measurable enhancement of chlorophyll destruction was observed with concentrations of R33417 as low as 10 μg/l. Maximum activity was achieved at approximately 600 μg/1. R33417 treatment enhanced photodestruction of chlorophyll to a greater extent at higher photon flux densities.