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Effect of chemicals (benzimidazole, methyl thiophanate and potassium) in reducing ozone injury to vegetable crops

Abstract

Following the previous report on the effect of methyl thiophanate for reducing the damages of photochemical oxidants on agricultural produce, effective concentrations and time factors were studied, and the results were compared with that of benzimidazole. Spinach and radishes were grown in pots, and 21, 11, 6, and 3 days prior to ozone exposure tests, 6.25-100 micrograms of benzimidazole and 77.5-310 micrograms of methyl thiophanate solutions were injected into the various pot soils. Exposure to 0.25 ppm O/sub 3/ was given for four hours to spinach and for 2.5 hours to radishes. In all cases, benzimidazole showed a remarkable effect on reducing the damages of O/sub 3/, especially when injected 5-11 days prior to the exposure. Methyl thiophanate was very effective for radishes but had no effect on spinach. Whether this was due to an insufficient amount of chemicals or due to its selectivity is not clear at this stage of the experiments.
Publication Date:
Jan 01, 1973
Product Type:
Conference
Reference Number:
EDB-86-027253
Resource Relation:
Journal Name: Taiki Osen Gakkaishi; (Japan); Journal Volume: 8:3; Conference: 14. annual meeting of the Japanese Society of Air Pollution, Fukushima, Japan, 6-8 Nov 1973
Subject:
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.; BENZIMIDAZOLES; BIOLOGICAL EFFECTS; FUNGICIDES; OZONE; TOXICITY; RADISHES; PLANT GROWTH; SPINACH; AIR POLLUTION; COMPARATIVE EVALUATIONS; PHOTOCHEMICAL OXIDANTS; POTASSIUM; ALKALI METALS; AZOLES; ELEMENTS; FOOD; GROWTH; HETEROCYCLIC COMPOUNDS; IMIDAZOLES; METALS; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; PESTICIDES; PLANTS; POLLUTION; VEGETABLES; 560303* - Chemicals Metabolism & Toxicology- Plants- (-1987)
OSTI ID:
6297049
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Journal ID: CODEN: TOSGD
Submitting Site:
HEDB
Size:
Pages: 546
Announcement Date:
Feb 01, 1986

Citation Formats

Shibukawa, S, and Ota, Y. Effect of chemicals (benzimidazole, methyl thiophanate and potassium) in reducing ozone injury to vegetable crops. Japan: N. p., 1973. Web.
Shibukawa, S, & Ota, Y. Effect of chemicals (benzimidazole, methyl thiophanate and potassium) in reducing ozone injury to vegetable crops. Japan.
Shibukawa, S, and Ota, Y. 1973. "Effect of chemicals (benzimidazole, methyl thiophanate and potassium) in reducing ozone injury to vegetable crops." Japan.
@misc{etde_6297049,
title = {Effect of chemicals (benzimidazole, methyl thiophanate and potassium) in reducing ozone injury to vegetable crops}
author = {Shibukawa, S, and Ota, Y}
abstractNote = {Following the previous report on the effect of methyl thiophanate for reducing the damages of photochemical oxidants on agricultural produce, effective concentrations and time factors were studied, and the results were compared with that of benzimidazole. Spinach and radishes were grown in pots, and 21, 11, 6, and 3 days prior to ozone exposure tests, 6.25-100 micrograms of benzimidazole and 77.5-310 micrograms of methyl thiophanate solutions were injected into the various pot soils. Exposure to 0.25 ppm O/sub 3/ was given for four hours to spinach and for 2.5 hours to radishes. In all cases, benzimidazole showed a remarkable effect on reducing the damages of O/sub 3/, especially when injected 5-11 days prior to the exposure. Methyl thiophanate was very effective for radishes but had no effect on spinach. Whether this was due to an insufficient amount of chemicals or due to its selectivity is not clear at this stage of the experiments.}
journal = []
volume = {8:3}
place = {Japan}
year = {1973}
month = {Jan}
}