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Chlorimuron Ethyl 25% WP

A Comprehensive Overview


Chlorimuron Ethyl 25% WP, marketed as JAMAIKO, stands as a remarkable selective post-emergent herbicide designed to manage weed infestations in soybean cultivation. This potent herbicide not only boasts selective properties but also demonstrates dual capabilities of residual and contact soil activity. Its active ingredient, Chlorimuron Ethyl, exerts powerful control over susceptible weed species, making it a valuable asset for modern agriculture.

Quick Facts

Chlorimuron Ethyl 25% WP operates through two distinct mechanisms: residual and contact soil activity. Once absorbed by vulnerable plant species, it swiftly travels through the plant’s vascular system, effectively hindering both shoot and root growth. This action leads to the immediate cessation of growth in susceptible weeds post-emergence treatment, resulting in their complete demise within a span of 7 to 14 days.

Crops and Targets

The primary crop targets for Chlorimuron Ethyl 25% WP include:


Rice (Transplanted)

Weed Targets
Chlorimuron Ethyl 25% WP effectively controls an array of troublesome weed species such as:

Echinochloa crusgalli
Eclipta alba
Commelina benghalensis
Chenopodium album
Cyperus rotundus
Digera arvensis
Cucumis trigonus
Phyllanthus niruri
Acalypha indica
Trianthema portulacastrum
Cyperus iria
Parthenium hysterophorus
Caesulia axillaris
Celosia argentea
Formulation and Mode of Action
Chlorimuron Ethyl 25% WP is presented in a Wettable Powder (WP) formulation, which ensures optimal dispersion when mixed with water. This formulation aids in uniform application, maximizing the herbicide’s efficacy and coverage.

Mode of Action

This herbicide functions as an early post-emergent agent. Upon application, it swiftly penetrates the target weed’s foliage and is then transported throughout the plant’s vascular system. Once absorbed, Chlorimuron Ethyl hinders the growth of shoots and roots, rendering the weed unable to sustain itself. This action is particularly detrimental to susceptible species, leading to their rapid deterioration.


Chlorimuron Ethyl 25% WP offers a plethora of benefits, contributing to its popularity and effectiveness in weed management:

Low Dosage: With an application rate as low as 15 grams per acre, this herbicide showcases exceptional efficiency in combating weed infestations. This not only reduces the quantity of herbicide required but also contributes to cost savings and environmental sustainability.

Broad-Spectrum Control: The herbicide’s efficacy extends to a wide range of major broad-leaved weeds and sedges. This comprehensive control over diverse weed species streamlines the weed management process and enhances crop yield potential.

Rapid Action: The selective nature of Chlorimuron Ethyl 25% WP ensures that susceptible weeds cease growth almost immediately after post-emergence treatment. This rapid action minimizes competition for essential resources and aids in preserving the vitality of cultivated crops.


Chlorimuron Ethyl 25% WP, marketed under the name JAMAIKO, emerges as a powerful solution for weed control in soybean cultivation and transplanted rice fields. Its dual residual and contact soil activity, combined with its mode of action, result in the rapid cessation and subsequent demise of susceptible weed species. With its low application rate, broad-spectrum control, and swift effects, Chlorimuron Ethyl 25% WP stands as a cornerstone for modern weed management strategies, ensuring healthier crop growth and improved agricultural outcomes.




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