Effects of hydrocarbon wax emulsion sprays in reducing visible ozone injury to Phaseolus vulgaris Pinto III

Journal Article · Sat Jan 01 00:00:00 EST 1972 · Plant Dis.; (United States)

OSTI ID:5662247

Pellissier, M; Lacasse, N L; Ercegovich, C D; Cole, H Jr

The effect of a paraffinic hydrocarbon wax emulsion on the response of bean plants Pinto III to ozone was investigated in a series of experiments. Ten-day-old bean plants were sprayed with the emulsion at the rates of 1, 5, and 10 ml/l water. Treatments included sprays on the upper, the lower, or the two surfaces of the leaves. Some plants were treated on only half of the leaves with hydrocarbon wax emulsion 10 ml/l water. One day after treatment, the plants were fumigated with 25 pphm ozone for 4 hours, under controlled conditions. Plants sprayed with a water solution of the wax emulsion at the rate of 5 or 10 ml/l water showed 95 to 100% protection from visible ozone injury. Thirty to 50% protection was obtained at a concentration of 1 ml/l. Protection from ozone injury occurred only on sprayed leaves or parts of leaves. Spray coverage of both surfaces of leaves was required to obtain complete protection. 12 references, 1 figure, 2 tables.

• Research Organization: Pennsylvania State Univ., University Park
• OSTI ID: 5662247
• Journal Information: Plant Dis.; (United States), Vol. 56:1
• Country of Publication: United States
• Language: English

Related Subjects

63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
OZONE
BIOLOGICAL EFFECTS
PHASEOLUS
SENSITIVITY
WAXES
ACUTE EXPOSURE
ALKANES
COMPARATIVE EVALUATIONS
DOSE-RESPONSE RELATIONSHIPS
EMULSIONS
INHIBITION
INJURIES
COLLOIDS
DISPERSIONS
HYDROCARBONS
LEGUMINOSAE
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PLANTS
560303* - Chemicals Metabolism & Toxicology- Plants- (-1987)