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211689

Dissipation of Glyphosate and Glufosinate Ammonium in Soil and Weed Control in Citrus Orchards

Article

Last updated: 22 Jan 2023

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Abstract

Glyphosate (GLY) and glufosinate ammonium (GLUA) are broad spectrum, non-selective, contact herbicides which are commonly used in fruit farms. Achieving the separation and detection of glyphosate and glufosinate from soil samples by chromatograph are a challenging task as they are ionic and highly water soluble compounds. The aim of this study is conducted to determine the dissipation of GLY and GLUA applied at two dose levels in three depth soils of orange orchards. The residues of GLY and GLUA were determined by HPLC-UV detector. The residual detection limit of GLY and GLUA of the method were 0.03 and 0.05 ng/g in soil respectively. The obtained data indicated that GLY persistent in soil is very short, only for 7 days, following applications of 1 to 2 kg/fed in orange crop. GLUA dissipated in soil within 14 days of application, regardless of dose. The half-life (T/2) of GLY and GLUA were 1.68 and 1.42 days in at 0 cm depth, respectively. There was no significant difference between the half-life of the two herbicides in soil at three depths. These results showed that GLY dissipation occurs rapidly in soil. However, GLUA was moderately persistent in soil. The two compounds tested showed reduction of dry weight for four types of weeds after 14 days of recommended and double rate application.

DOI

10.21608/ajs.2021.91572.1407

Keywords

glufosinate-ammonium, Glyphosate, Herbicide dissipation, Soil, Weeds Control

Authors

First Name

Amira

Last Name

Othman

MiddleName

-

Affiliation

Plant protection Department, Faculty of Agriculture, Ain Shams university, Cairo, Egypt

Email

amira_salah@agr.asu.edu.eg

City

Cairo

Orcid

0000-0003-4507-5666

First Name

Mohammed

Last Name

El-Zemaity

MiddleName

-

Affiliation

Plant protection Department, Faculty of Agriculture, Ain Shams university, Cairo, Egypt

Email

mselzemaity@hotmail.com

City

Cairo

Orcid

0000-0001-5349-1075

First Name

Walaa

Last Name

El-Sayed

MiddleName

-

Affiliation

Plant protection Department, Faculty of Agriculture, Ain Shams university, Cairo, Egypt

Email

walach2000@yahoo.com

City

cairo

Orcid

-

First Name

Ahmad

Last Name

Hanafi

MiddleName

-

Affiliation

Plant protection Department, Faculty of Agriculture, Ain Shams university, Cairo, Egypt

Email

asy3012@yahoo.com

City

cairo

Orcid

-

Volume

29

Article Issue

3

Related Issue

29773

Issue Date

2021-12-01

Receive Date

2021-08-28

Publish Date

2021-12-01

Page Start

933

Page End

941

Print ISSN

1110-2675

Online ISSN

2636-3585

Link

https://ajs.journals.ekb.eg/article_211689.html

Detail API

https://ajs.journals.ekb.eg/service?article_code=211689

Order

7

Type

Original Article

Type Code

668

Publication Type

Journal

Publication Title

Arab Universities Journal of Agricultural Sciences

Publication Link

https://ajs.journals.ekb.eg/

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Article

Created At

22 Jan 2023