Shandong Changrui Biotech Co., Ltd. is one of the leading manufacturers and suppliers of metalaxyl technical in China. Please feel free to wholesale bulk high purity metalaxyl technical in stock here from our factory. All our raw materials are with high quality and competitive price. Contact us for pricelist.
Product Introduction
As a systemic agricultural fungicide, Metalaxyl Technical is designed for control of oomycete diseases in crops. Distinct from contact fungicides, it features rapid systemic uptake and acropetal translocation within plant tissues. It selectively inhibits nucleic acid synthesis of oomycete pathogens including Phytophthora, Pythium and Peronospora. Serving as a key technical raw material for seed treatment, soil drench and foliar spray formulations, it protects crops from late blight, downy mildew and damping-off, helping growers reduce yield losses caused by oomycete infections.
Technical Specifications
|
Property |
Specification |
|
Appearance |
Off-white crystalline powder |
|
Active Ingredient Content |
≥98.0% |
|
Melting Point |
71.8℃-72.3℃ |
|
Moisture |
≤0.5% |
|
Acidity (as H₂SO₄) |
≤0.3% |
|
Insoluble Residue |
≤0.2% |
|
pH Range |
5.0–7.0 |
|
Volatile Impurities |
Compliant with industrial technical standard |
Health Benefits & Values
Rapid Systemic Uptake & Acropetal Translocation
Quickly absorbed by roots and leaves, moving upward through vascular tissues to shield new plant growth after application.
Selective Inhibition Against Oomycete Pathogens
Blocks pathogen RNA synthesis to restrain mycelial expansion and spore formation, targeting late blight and downy mildew.
Preventive & Curative Activity Against Oomycetes
Suppresses existing pathogen infection and protects healthy plant tissues, delivering flexible disease control for field application.
Stable Activity Under Field Conditions
Maintains reliable fungicidal performance across typical temperature and humidity ranges, suitable for protected and open-field cultivation.
Broad Formulation Compatibility
High purity and low impurity levels allow blending with common agrochemical adjuvants and complementary fungicides for diversified dosage forms.
Core Value in Formulation Development
High-Purity Technical Reduces Formulation Hazards
The 98% high-purity Metalaxyl Technical adopts standardized purification process with low heavy metal and impurity content, lowering phytotoxicity risk and meeting requirements for premium fungicide finished products.
Targeted Oomycete Control Optimizes Formula Efficacy
Single raw material delivers specific inhibition against oomycetes. Formulators simplify formula design while achieving long-lasting protection against oomycete-related diseases.
Multi-Dosage Form Process Adaptability
Suitable for wettable powder, water dispersible granule, aqueous solution and suspension concentrate, matching seed dressing, soil irrigation and foliar spraying workflows.
Good Potential for Compound Formulation
Compatible with mancozeb, chlorothalonil and other fungicides. Combined formulas expand disease spectrum and delay pathogen resistance development.
Consistent Storage Stability
Crystalline structure ensures good chemical stability under dry, shaded storage, resisting decomposition and preserving stable efficacy throughout finished product shelf life.
End-Application Scenarios
Oomycete Disease Prevention (Core Track)
Controls late blight, downy mildew, stem rot and damping-off triggered by Phytophthora, Peronospora and Pythium in vegetables, potatoes, grapes and field crops.
Seed Treatment Formulations
Processed into seed coating and seed dressing agents to eliminate seed-borne oomycete pathogens and safeguard young seedlings during germination.
Soil Drench & Nursery Substrate Treatment
Applied in greenhouse nurseries and continuous cropping fields to suppress soil oomycete populations and reduce early-season seedling disease pressure.
Compound Fungicide Development
Used as core active ingredient for mixed fungicide formulations to broaden control spectrum and mitigate resistance risk in long-term planting programs.
High-Value Crop Protection
Widely used for fruits, vegetables, potatoes and ornamental crops, providing dependable oomycete disease control for commercial planting systems.
Application Advantages and Market Positioning
Specialized Oomycete-Focused Fungicide Differentiation
Different from broad-spectrum fungicides, Metalaxyl Technical targets oomycete pathogens, filling market demand for raw materials for late blight and downy mildew management.
Preventive plus Curative Dual Function
Combines protective and therapeutic effects to deliver differentiated performance compared with contact fungicides, improving finished product market competitiveness.
Distinct Mode of Action for Resistance Management
Unique nucleic acid synthesis inhibition mechanism, suitable for compound use or rotation programs to slow pathogen resistance build-up in farmland.
Fit for Commercial & Protected Agriculture
Features high efficiency and reliable crop safety within recommended rates, matching the needs of large-scale field planting and greenhouse vegetable production.
FAQ (Technical Q&A)
Q1: How quickly do oomycetes develop resistance to Metalaxyl?
A: Resistance can develop rapidly when Metalaxyl is used alone repeatedly. Phenylamide fungicides share cross-resistance, so Metalaxyl, furalaxyl, and benalaxyl cannot be considered independent rotation partners. Tank-mixing with multi-site fungicides or alternating with different modes of action is essential.
Q2: Which tank-mix partners are recommended for resistance management?
A: Combine with multi-site fungicides such as mancozeb or chlorothalonil, or with different single-site fungicides like cymoxanil or fosetyl-Al. Do not rely on other phenylamides as rotation partners.
Q3: How does soil organic matter affect Metalaxyl efficacy?
A: Organic matter and clay content are the dominant factors affecting Metalaxyl adsorption in soil. Higher organic matter increases adsorption, potentially reducing mobility and bioavailability in the root zone.
Q4: Can Metalaxyl be applied through drip irrigation?
A: Yes. Metalaxyl can be injected into drip irrigation systems. Use the same rate as a banded application to cover the root zone. Follow label directions for irrigation system compatibility.
Q5: Are there crops where Metalaxyl seed treatment is not recommended?
A: Avoid using Metalaxyl seed treatment on sweet corn, waxy corn, and parent-line corn seeds. Treated seeds must not be used as food or feed and should be stored in clearly labeled containers.
Q6: How does Metalaxyl differ from Hymexazol in target pathogens?
A: Metalaxyl specifically targets oomycete pathogens including Phytophthora, Pythium, and Peronospora. Hymexazol targets a broader range of soil fungi including Fusarium and Rhizoctonia, with additional plant growth regulation effects.
Q7: What is the residual activity of Metalaxyl Technical in soil?
A: Typically 10–14 days under normal field conditions. Degradation is primarily microbial. Repeated applications may be needed for extended protection in high-disease-pressure situations.
Q8: Can Metalaxyl be used in organic agriculture?
A: No. Metalaxyl is a synthetic fungicide and is not permitted in certified organic production.
Q9: Is Metalaxyl toxic to bees or beneficial insects?
A: Metalaxyl has low toxicity to bees and most beneficial insects when used at recommended rates.
Q10: What is the maximum application frequency per season for Metalaxyl?
A: Follow local registration guidelines. In many jurisdictions, single-season use is restricted to limit resistance selection. Always check the specific product label for approved application limits.
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