||Influence of Light on Ozone-Induced 1-Aminocyclopropane-1-Carboxylic Acid and Ethylene Production from Intact Plants.
Rodecap, K. D. ;
Tingey, D. T. ;
||Corvallis Environmental Research Lab., OR. ;Northrop Services, Inc., Corvallis, OR.
Soybean plants ;
Tomato plants ;
Light(Visible radiation) ;
Cyclopropane carboxylic acid/amino
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The influence of light on ozone-induced ethylene production from intact soybean (Glycine max L. Merr. cv. Dare) and tomato (Lycopersicon esculentum Mill. cv. Roma) plants was investigated. Ozone-induced stress ethylene production was 2.6-fold greater from dark-than light-incubated soybean plants at the same encapsulation temperature (i.e. temperature within the encapsulation bag). Dark-incubated tomato plant also produced more ozone-induced stress ethylene than light-incubated plants, but the magnitude of production was less than for soybeans. The observations suggested that the conversion of ACC to ethylene was limited in the light.