Hostname: page-component-77c89778f8-vpsfw Total loading time: 0 Render date: 2024-07-23T01:01:07.423Z Has data issue: false hasContentIssue false
  • English
  • Français

Synergistic Phytotoxicities of Herbicide-Insecticide Combinations in Soil

Published online by Cambridge University Press:  12 June 2017

R. G. Nash
R. G. Nash*
Affiliation:
Crops Research Division, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, Md
Get access Rights & Permissions [Opens in a new window]

Abstract

Combinations of 3-(3,4-dichlorophenyl)-l,l-dimethylurea (diuron) with O,O-diethyl S-2-(ethylthio)-ethyl phosphorodithioate (disulfoton) or O,O-diethyl S-(ethylthiomethyl) phosphorodithioate (phorate) in soil resulted in synergistic phytotoxicities. These synergistic phytotoxicities persisted 21 to 27 weeks in alternately fallow-cropped soils treated with 0 to 12 ppm disulfoton or phorate and 0 to 1.0 ppm diuron where oats (Avena sativa L., var. Mark-ton) was the bioassay plant, and persisted 5 to 15 weeks in alternately fallow-cropped soils treated with 0 to 12 ppm disulfoton or phorate and 0 to 1.33 ppm diuron where corn (Zea mays L., var. US 13) was the bioassay plant. The persistence of the combined pesticides corresponded closely with persistence of the individual pesticides. Corn and cotton (Gossypium hirsutum L., var. Acala 4-42) were more tolerant than was oats to diuron and diuron-insecticide combinations.

Type
Research Article
Information
Weed Science , Volume 16 , Issue 1 , January 1968 , pp. 74 - 77
Copyright
Copyright © 1968 Weed Science Society of America 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Literature Cited

1. Getzin, L. W. and Chapman, R. K. 1960. The fate of phorate in soils. J. Econ. Entomol. 53:47–51.Google Scholar
2. Hacskaylo, J., Walker, J. K. Jr., and Pires, E. G. 1964. Response of cotton seedlings to combinations of preemergence herbicides and systemic insecticides. Weeds 12:288–291.CrossRefGoogle Scholar
3. Lee, W. O. 1966. Effect of annual applications of diuron on seed yields of perennial grasses in Oregon. USDA, Oregon Agr. Exp. Sta. Tech. Bull. 1358. 23 p.Google Scholar
4. Nash, R. G. 1967. Phytotoxic pesticide interactions in soil. Agron. J. 59:227–230.CrossRefGoogle Scholar
5. Parker, L. and Dewey, J. E. 1965. Decline of phorate and dimethoate residues in treated soils based on toxicity to Drosophila melanogaster . J. Econ. Entomol. 58:106–111.Google Scholar
6. Rawlins, W. A. 1965. Seedling emergence affected by soil applications of insecticides. Proc. Internatl. Congr. Entomol. 12:561.Google Scholar
7. Sheets, T. J. 1964. Review of disappearance of substituted urea herbicides from soil. J. Agr. Food Chem. 12:30–33.Google Scholar
8. Tammes, P. M. L. 1964. Isoboles, a graphic representation of synergism in pesticides. Neth. J. Plant Pathol. 70:73–80.Google Scholar
9. Walker, J. K. Jr., Hacskaylo, J., and Pires, E. G. 1963. Some effects of joint applications of preemergence herbicides and systemic insecticides on seedling cotton in the greenhouse. Texas A & M Univ. Texas Agr. Exp. Sta. Progress Rept. 2284. 3 p.Google Scholar