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Effect of ethylene on degreening of intact radish (Raphanus sativus L.) cotyledons

Adachi, M.; Tsuzuki, E.; Shimokawa, K.

Scientia Horticulturae 65(1): 1-9

1996


ISSN/ISBN: 0304-4238
DOI: 10.1016/0304-4238(95)00856-x
Accession: 002812516

Ethylene enhanced the degreening of intact radish cotyledons held in the dark for 36 h. Ethylene treatment (100 p.p.m.) caused a significant decrease in chlorophyll (Chl) content, and Chl b was degraded preferentially. No chlorophyllase activity was detected in the cotyledons but Chl a bleaching enzyme activity was detected; the enzyme required H2O2 and 2,4-dichlorophenol.

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