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Effect of storage in controlled atmosphere on post‐harvest infections of Phytophthora brassicae and chilling injury in Chinese cabbage ( Brassica rapa L pekinensis (Lour) Hanelt)
Author(s) -
Hermansen Arne,
Hoftun Halldor
Publication year - 2005
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.2099
Subject(s) - brassica rapa , brassica , horticulture , inoculation , biology , agar , botany , genetics , bacteria
Heads of Chinese cabbage ( Brassica rapa L pekinensis (Lour) Hanelt) were inoculated with Phytophthora brassicae De Cock and Man in't Veld and stored at 1.5 °C in the following concentrations of CO 2 /O 2 : 0.5%/20.5% (control), 0.5%/1.5% or 3.0%/3.0%. In experiments with cv ‘Nerva’, stored for 94–97 days, the infection caused by P brassicae was significantly higher ( p < 0.05) in the controlled atmosphere (CA) treatments than in the control. However, in vitro growth of P brassicae on agar was slower ( p < 0.001) in the CA treatments than in the control. Chilling injury (brown midribs) found in cv ‘Parkin’ was highest in heads from the control. Storage in 0.5% CO 2 /1.5% O 2 significantly ( p < 0.001) reduced this disorder, and the lowest percentage of brown midribs was found in 3.0% CO 2 /3.0% O 2 . No chilling injury was found in cv ‘Nerva’. Copyright © 2005 Society of Chemical Industry