• Publications
  • Influence
Ethylene, Ethane, Acetaldehyde, and Ethanol Production By Plants under Stress.
Red pine (Pinus resinosa Ait.) and paper birch (Betula papyrifera Marsh.) seedlings exposed to sulfur dioxide produced acetaldehyde and ethanol, and exhibited increased production of ethylene andExpand
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Ethanol in the stems of trees
Acetaldehyde and ethanol are usually thought to be produced in plant tissues as a mechanism to tolerate hypoxic conditions. We have found acetaldehyde and ethanol to be common in the vascular cambiumExpand
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Carbohydrate reserves, radial growth, and mechanisms of resistance of oak trees to phloem-boring insects
SummaryThe twolined chestnut borer, Agrilus bilineatus (Weber) (Coleoptera: Buprestidae), attacks oaks (Quercus spp.) that have been weakened by prior environmental or biotic stress. Our earlier workExpand
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Acetaldehyde and ethanol biosynthesis in leaves of plants.
Leaves of terrestrial plants are aerobic organs, and are not usually considered to possess the enzymes necessary for biosynthesis of ethanol, a product of anaerobic fermentation. We examined theExpand
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Alcohol Dehydrogenase and Pyruvate Decarboxylase Activity in Leaves and Roots of Eastern Cottonwood (Populus deltoides Bartr.) and Soybean (Glycine max L.).
Pyruvate decarboxylase (PDC, EC and alcohol dehydrogenase (ADH, EC are responsible for the anaerobic production of acetaldehyde and ethanol in higher plants. In developing soybeanExpand
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Refixation of xylem sap CO2 in Populus deltoides
Vascular plants have respiring tissues which are perfused by the transpiration stream, allowing solubilization of respiratory CO2 in the xylem sap. The transpiration stream could provide a conduitExpand
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The role of host tree condition in attack of white oaks by the twolined chestnut borer, Agrilus bilineatus (Weber) (Coleoptera: Buprestidae)
SummaryThe twolined chestnut borer, Agrilus bilineatus (Weber) (Coleoptera: Buprestidae), attacks stressed oaks (Quercus spp.) and is associated with extensive mortality of trees in the easternExpand
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Metabolism of Transpired Ethanol by Eastern Cottonwood (Populus deltoides Bartr.)
Ethanol has previously been shown to be present in the xylem sap of flooded and nonflooded trees. Because of the constitutive presence of alcohol dehydrogenase in the mature leaves of woody plants,Expand
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Inhibition of herbivory on young holly leaves: evidence for the defensive role of saponins
SummaryResponse of the southern red mite, Oligonychus ilicis McGregor, to young and one year old leaves of Ilex opaca Aiton was studied on three dates during the period of leaf expansion in theExpand
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Nutritional quality of specific leaf tissues and selective feeding by a specialist leafminer
SummaryMany folivorous insects are selective feeders which consume specific leaf tissues. For specialist herbivores feeding on plants of overall low nutritional quality, selective feeding may allowExpand
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