Governor 580SE Selective Herbicide For Maize 1L
Original price was: KSh 4,500.00.KSh 3,699.00Current price is: KSh 3,699.00.
Governor 580SE is a selective herbicide formulated for maize. It controls broadleaf weeds and annual grasses through pre- and early post-emergence application. With dual active ingredients,Atrazine and S-metolachlor,it ensures clean fields, crop safety, and lasting weed suppression. Ideal for higher maize yields and efficient early-season weed control.
Description
Governor 580SE is a highly effective selective pre- and early post-emergence herbicide designed specifically for maize (corn) farming. Formulated as a suspension emulsion (SE), it provides targeted control of a wide range of broadleaf weeds and annual grasses without harming the maize crop. Governor 580SE works by inhibiting key enzymes in germinating weed seedlings, allowing maize plants to establish dominance and thrive in weed-free conditions.
Backed by years of agronomic research, Governor 580SE delivers reliable, long-lasting weed suppression, ultimately improving crop uniformity, moisture retention, and nutrient availability—leading to higher yields and improved profitability.
Product Overview
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Product Name: Governor 580SE
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Formulation Type: Suspension Emulsion (SE)
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Active Ingredients:
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Atrazine 500 g/L
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S-metolachlor 80 g/L
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Mode of Action: Selective systemic herbicide
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Application Timing: Pre-emergence and early post-emergence (within 3 weeks of planting)
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Application Rate: 200 to 300 ml per 20 liters of water (or 3.0–4.0 liters per hectare)
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Target Crops: Maize
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Target Weeds: Broadleaf weeds and annual grasses
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Packaging: Available in 1L, 5L, and 20L packs
How Governor 580SE Works
Governor 580SE combines two proven active ingredients—Atrazine and S-metolachlor—that work synergistically to control weed emergence before or shortly after germination.
Atrazine inhibits photosynthesis in broadleaf weeds by binding to photosystem II, effectively stopping energy production in susceptible species. S-metolachlor, on the other hand, prevents cell division and elongation in grasses by disrupting the biosynthesis of lipids. Together, these modes of action provide broad-spectrum residual control.
The herbicide is absorbed primarily through the roots and shoots of emerging weed seedlings. Because maize metabolizes the active ingredients safely, it remains unharmed, making Governor 580SE a trusted choice for selective control.
Key Benefits of Governor 580SE
1. Broad-Spectrum Weed Control
Governor 580SE controls a wide variety of grasses and broadleaf weeds, including stubborn species such as:
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Amaranthus spp. (pigweed)
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Galinsoga spp. (gallant soldier)
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Digitaria spp. (finger grasses)
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Eleusine indica (goosegrass)
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Setaria spp. (foxtail grasses)
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Portulaca oleracea (purslane)
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Chenopodium album (fat hen)
2. Residual Activity
One application of Governor 580SE provides several weeks of residual control, allowing the maize crop to establish before weeds can compete. This minimizes the need for additional early-season weed management interventions.
3. Crop Safety
When used at the recommended rates and application timings, Governor 580SE shows excellent selectivity for maize. It does not cause phytotoxicity or growth stunting, ensuring optimal crop development.
4. Reduced Weed Competition
Early-season weeds compete for nutrients, water, and sunlight. Governor 580SE eliminates these threats during critical maize growth phases, helping crops establish stronger roots and more uniform stands.
5. Compatible with Conservation Tillage
Governor 580SE performs well in both conventional and conservation tillage systems, including minimum-till and no-till fields where weed seeds are close to the surface.
Application Guidelines
When to Apply:
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Pre-emergence: Apply immediately after planting but before maize and weeds emerge.
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Early post-emergence: Apply within 3 weeks after maize germination, before weed emergence reaches 2-leaf stage.
Application Rate:
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For light weed pressure: 3.0 liters per hectare (approximately 200–250 ml per 20L)
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For moderate to heavy weed pressure: 4.0 liters per hectare (approximately 300 ml per 20L)
Spray Volume:
Use 200 to 300 liters of water per hectare for optimal coverage. Ensure the field is uniformly sprayed to form a protective chemical barrier.
Spray Equipment:
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Use calibrated knapsack sprayers or boom sprayers with flat-fan nozzles.
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Mix product thoroughly before and during application to prevent clogging.
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Use clean water only—avoid hard or dirty water which may reduce effectiveness.
Best Practices for Governor 580SE Use
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Apply to moist soil for optimal residual activity.
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Do not disturb soil surface (e.g., hoeing) after application, as it may break the herbicide barrier.
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Do not apply on sandy or porous soils prone to leaching.
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Avoid spraying during periods of drought or when weeds are too mature.
Tank Mixing:
Governor 580SE is compatible with most commonly used herbicides. However, conduct a jar test before mixing with other products, especially foliar fertilizers or insecticides.
Environmental and Safety Information
Personal Protective Equipment (PPE):
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Wear gloves, long-sleeved clothing, goggles, and boots when handling or applying.
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Do not inhale spray mist or allow direct skin contact.
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Wash hands and exposed skin with soap and water after use.
Environmental Impact:
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Governor 580SE is toxic to aquatic life. Avoid spraying near rivers, dams, and water bodies.
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Do not spray under windy conditions to avoid drift.
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Follow buffer zone recommendations as outlined on the product label.
Storage and Disposal:
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Store in original container, in a cool, dry place, away from direct sunlight.
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Keep out of reach of children and animals.
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Triple-rinse empty containers and puncture before disposal.
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Do not reuse empty containers for any other purpose.
Performance in the Field
Governor 580SE has been extensively tested and widely adopted in Kenya and across East Africa. Farmers report excellent control of early-season weed pressure, cleaner maize fields, and reduced costs associated with hand weeding and repeat herbicide applications.
In research trials, fields treated with Governor 580SE consistently out-yielded untreated plots by 15 to 25 percent due to improved early crop vigor and reduced weed competition.





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