Assessment of Butachlor, Diuron and Atrazine + Alachlor for Weed Management in Okra

Obiazi, Christian Chukuka

Assessment of Butachlor, Diuron and Atrazine + Alachlor for Weed Management in Okra

Obiazi, Christian Chukuka *

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Assessment of Butachlor, Diuron and Atrazine + Alachlor for Weed Management in Okra

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Abstract

Weed interference decreases okra (Albelmoschus esculentus (L.)Moench) yields. Weeding is mostly manual with drudgery and cost, unlike the use of herbicides. Herbicides identified for okra productivity are few and scarce. Objectives of this experiment are to evaluate the tolerance and development of okra to three frequently used herbicides. But achlor, diuron and atrazine+alachlor, at 2.0, 3.6 and 3.3 kga.i./ha, respectively, were screened for weed control in okra. Hoe-Weeded (HWC) and un-weeded plots (WDC) served as controls. Data collected were subjected to statistical analysis. Okra establishment was in the order of 91.8% (HWC)> 89.0% (butachlor)> 86.8% (WDC)> 70.8% (atrazine+alachlor)> 51.9% (diuron). But achlor at 2.0kg a.i./ha was safe on okra. Diuron at 3.6kg a.i./ha was severely (7.8) phytotoxic, while atrazine+alachlor at 3.3kg a.i./ha was moderately (4.4) phytotoxic on okra, on 0-10 scale. Shoot biomass of 7.35g/plant in okra grown in butachlor treated plots were similar to 7.90g/plant in HWC, and greater than 1.4g/plant in diuron treated plots, 3.5 and 3.45g/plant in atrazine+alachlor and WDC, respectively. The herbicides had better weed control than WDC. Butachlor had no phytotoxic effect on okra and had okra establishment and shoot biomass comparable with HWC and should be listed for weed control in okra production.

References

9 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Obiazi, Christian Chukuka. 2021. "Assessment of Butachlor, Diuron and Atrazine + Alachlor for Weed Management in Okra". Global Journal of Science Frontier Research - D: Agriculture & Veterinary GJSFR-D Volume 21 (GJSFR Volume 21 Issue D4).

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GJSFR Volume 21 Issue D4

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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Classification

GJSFR-D Classification FOR Code: 070308

Submission ReceivedApril 24, 2021
Peer Review Double Blind
Handling Editor
Accepted May 15, 2021
Published May 27, 2021

Version of record

v1.2

Issue date

June 23, 2021

Language

English

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