Effectiveness of benomyl and benomyl-folicote treatments in reducing ozone injury to pinto beans
The effectiveness of the systemic fungicide benomyl (methyl 1-(butylcarbamoyl)-2-benzimidazolecarbamate) and the antitranspirant Folicote (hydrocarbon paraffin wax emulsion) in reducing ozone injury to plants of Phaseolus vulgaris L. Pinto 111 was determined in a series of experiments. Eleven-day-old plants of Pinto 111 were grown in a soil mixture of Hagerstown silty clay loam-peat-perlite (2-1-1) and were fumigated under controlled conditions with 25 pphm of ozone for 4 hours. Results of the fumigation were evaluated 3 days following exposure by determining the percentage area of injured tissue. Fumigated control plants showed flecks on 50-55% of the leaf area. 99% protection was obtained when benomyl was used as a soil amendment at a concentration of 160 ..mu..g/g soil on an air dry soil weight basis. Partial protection was obtained at lower concentrations. Higher benomyl quantities were needed to obtain the same results when applied as a soil drench, although protection was improved when a surfactant was added to the suspension. 99% protection was obtained when plants were sprayed with a Folicote solution alone (10 ml Folicote/1 water). The data demonstrate that ozone injury to plants may be reduced by chemical protectants added to the soil and as a foliar spray. 13 references, 2 figures, 4 tables.
- Research Organization:
- Pennsylvania State Univ., University Park
- OSTI ID:
- 5518355
- Report Number(s):
- CONF-710676-
- Journal Information:
- J. Air Pollut. Control Assoc.; (United States), Vol. 22:9; Conference: 64. meeting of the air pollution control association, Atlantic City, NJ, USA, 27 Jun 1971
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
FUNGICIDES
BIOLOGICAL EFFECTS
OZONE
PARAFFIN
INHIBITION
INJURIES
PHASEOLUS
RESPONSE MODIFYING FACTORS
ALKANES
HYDROCARBONS
LEGUMINOSAE
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PESTICIDES
PLANTS
WAXES
560303* - Chemicals Metabolism & Toxicology- Plants- (-1987)