THE EFFECTS OF GLYPHOSATE AND 2,4-D HERBICIDES ON VIABILITY OF EISENIA FOETIDA EARTHWORMS

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JAFARNEJAD MAZIAR; BAZRAFSHAN FOROOD; ZARE MEHDI

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Seminar Paper

Paper Information

Seminar: GLOBAL CONFERENCE ON NEW APPROACH IN AGRICULTURE AND ENVIRONMENT AND WITH THE FOCUS ON SUSTAINABLE DEVELOPMENT AND SAFE PRODUCTION
Year:2016 | Issue:1

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Title

THE EFFECTS OF GLYPHOSATE AND 2,4-D HERBICIDES ON VIABILITY OF EISENIA FOETIDA EARTHWORMS

Author(s)

JAFARNEJAD MAZIAR | BAZRAFSHAN FOROOD | ZARE MEHDI

Keywords

HERBICIDES

EARTHWORMS

VIABILITY

Abstract

THE STUDY AIMED TO EXAMINE THE EFFECTS OF GLYPHOSATE AND 2,4-D HERBICIDES ON THE REPRODUCTION OF IN-VITRO EISENIA FOETIDA EARTHWORMS. THIS SPECIES WAS CHOSEN BECAUSE OF ITS EASY IN-VITRO REPRODUCTION. THE EXPERIMENT FOLLOWED A RANDOMIZED COMPLETE BLOCK DESIGN WITH FOUR REPLICATIONS. THE STUDY INCLUDED A CONTROL TREATMENT, A FACTORY RECOMMENDED DOSE TREATMENT (1.5 L/HA 2,4-D, 5 L/HA GLYPHOSATE), TWO OVERDOSE TREATMENTS (2.25 L/HA 2,4-D, 7.5 L/HA GLYPHOSATE), AND TWO UNDERDOSE TREATMENTS (.75 L/HA 2,4-D, 2.5 L/HA GLYPHOSATE). THE HERBICIDE TREATMENTS CAUSED WEIGHT LOSS IN EISENIA FOETIDA EARTHWORMS. HIGHER DOSES OF EACH HERBICIDE RESULTED IN MORE WEIGHT LOSS. THE WEIGHT LOSS EFFECT OF THE HERBICIDES DEGRADED WITH TIME. THIS WAS OBSERVED FOR BOTH HERBICIDES IN ALL TREATMENTS. AFTER THE FIFTH WEEK, THERE WAS A SIGNIFICANT DIFFERENCE BETWEEN THE CONTROL AND THE EXPERIMENTAL GROUPS. HOWEVER, THERE WAS NO SIGNIFICANT DIFFERENCE BETWEEN THE EXPERIMENTAL GROUPS THEMSELVES, WHICH CAN BE RELATED TO HERBICIDE DEGRADATION. THE 2,4-D TREATMENT CAUSED MORE WEIGHT LOSS COMPARED TO THE GLYPHOSATE TREATMENT BECAUSE IT IS A MORE TOXIC HERBICIDE. PRELIMINARY ANALYSIS INDICATED THAT BEHAVIORAL TESTS COULD BE USED TO QUICKLY EXAMINE POLLUTED SOILS. THEY CAN ALSO BE USED AS CONFIRMATORY ANALYSIS TO ASSESS THE EXTENT OF THE POLLUTION.

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APA: Copy

JAFARNEJAD, MAZIAR, BAZRAFSHAN, FOROOD, & ZARE, MEHDI. (2016). THE EFFECTS OF GLYPHOSATE AND 2,4-D HERBICIDES ON VIABILITY OF EISENIA FOETIDA EARTHWORMS. GLOBAL CONFERENCE ON NEW APPROACH IN AGRICULTURE AND ENVIRONMENT AND WITH THE FOCUS ON SUSTAINABLE D. SID. https://sid.ir/paper/909798/en

Vancouver: Copy

JAFARNEJAD MAZIAR, BAZRAFSHAN FOROOD, ZARE MEHDI. THE EFFECTS OF GLYPHOSATE AND 2,4-D HERBICIDES ON VIABILITY OF EISENIA FOETIDA EARTHWORMS. 2016. Available from: https://sid.ir/paper/909798/en

IEEE: Copy

MAZIAR JAFARNEJAD, FOROOD BAZRAFSHAN, and MEHDI ZARE, “THE EFFECTS OF GLYPHOSATE AND 2,4-D HERBICIDES ON VIABILITY OF EISENIA FOETIDA EARTHWORMS,” presented at the GLOBAL CONFERENCE ON NEW APPROACH IN AGRICULTURE AND ENVIRONMENT AND WITH THE FOCUS ON SUSTAINABLE D. 2016, [Online]. Available: https://sid.ir/paper/909798/en

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