Crop loss caused by lepidopteran pests remains one of the most severe challenges for commercial growers across Africa, the Middle East and Southeast Asia. Caterpillars such as diamondback moth, cotton bollworm, rice leaf roller and corn earworm feed rapidly on leaves, fruits and growing points, destroying plant tissues and reducing harvest yields by 20% to 60% without proper intervention. Among available insecticide options, Emamectin Benzoate 5% WDG stands out as a widely adopted biological insecticide formulation with proven field performance, low toxicity to non-target organisms and flexible application schedules.
Emamectin benzoate is a semi-synthetic derivative of avermectin, originally fermented from the soil bacterium Streptomyces avermitilis. The 5% water dispersible granule (WDG) formulation contains 50 grams of active ingredient per kilogram. Unlike emulsifiable concentrates (EC) that rely heavily on organic solvents, WDG dissolves quickly in water to form a stable suspension, which reduces solvent pollution and lowers phytotoxicity risk on sensitive crops. Field trial data from multiple agricultural test stations shows that Emamectin Benzoate 5% WDG delivers strong stomach poisoning and contact action against target pests. Once caterpillars ingest treated plant tissue, the active substance disrupts nerve cell chloride channels, triggering paralysis and stopping feeding within hours. Pests usually die within 2 to 4 days. Importantly, this product only activates inside the insect body, with minimal translaminar activity and low risk to beneficial insects like bees when applied outside flowering periods.
The product fits well into integrated pest management (IPM) strategies. It works best at the early larval stage of pests; control efficiency declines when caterpillars grow to late instars. Recommended dilution rates vary by crop and pest pressure. For cruciferous vegetables against diamondback moth, farmers typically mix 200–300 grams of Emamectin Benzoate 5% WDG per hectare, spraying evenly on both upper and undersides of leaves. For rice leaf roller, application at 250–350 g/ha is suggested, with spraying timed in the early morning or late afternoon to avoid strong sunlight, as UV radiation can degrade emamectin benzoate. Rotation with insecticides of different modes of action is strongly advised to delay pest resistance development. Do not use this product consecutively more than two times in one crop cycle.
Safety and storage specifications are critical for end users. Emamectin Benzoate 5% WDG has low acute mammalian toxicity, but operators must wear protective gloves, masks and long-sleeve clothing during mixing and spraying. Avoid contaminating water sources, fish ponds and rivers. Store granules in cool, dry, well-ventilated warehouses, sealed away from food, feed and children. Shelf life reaches 24 months under proper storage conditions.
Many growers confuse emamectin benzoate with abamectin. Although they share similar biological origins, emamectin benzoate has significantly higher activity against lepidopteran larvae and better rain fastness after drying on leaf surfaces. This makes 5% WDG a preferred choice for export-oriented vegetable, cotton and rice farms.
If you are sourcing high-quality Emamectin Benzoate 5% WDG for bulk agricultural supply, you can visit our official website to check product specifications, COA documents and bulk pricing. Our team supplies a full portfolio of agrochemical formulations, including herbicides, fungicides and insecticides for global markets.
Our company strictly follows FAO quality standards for manufacturing and inspection. Every batch of Emamectin Benzoate 5% WDG passes lab tests on active ingredient content, suspension rate, wetting time and particle size before shipment. We provide custom packaging solutions, technical data sheets and safety data sheets to support distributors and growers. For more technical guidance on pest control and formulation selection, browse our product catalog on the website.
In conclusion, Emamectin Benzoate 5% WDG is a powerful, eco-friendly lepidopteran insecticide ideal for modern sustainable farming. When used following good agricultural practices, it suppresses pest populations effectively while preserving ecological balance. It serves as a core product for distributors looking for stable, high-demand insecticides in emerging agricultural markets.