Chitosan Oligosaccharide Bio Fungicide
Product Type: Biological Crop Protection Liquid
Form: Liquid
Functional Ingredient: Chitosan Oligosaccharide ≥5%
Target Problems: Downy Mildew, Late Blight, Gray Mold, Sclerotinia, Anthracnose, Leaf Spot, Brown Spot, Target Spot, Powdery Mildew and Rust
Application Method: Foliar Spraying
Chitosan Oligosaccharide Bio Fungicide is a liquid biological crop protection product developed for fungal disease management in vegetables, fruit crops and other commercial planting systems. It can be applied independently during disease pressure or used together with compatible fungicides. When tank-mixed, the formulation improves spray adhesion and penetration, helping the crop protection solution remain on plant surfaces and be used more efficiently.
Product Introduction
Shandong Zhongnong Fuyuan Ecological Agriculture Development Co., Ltd. is one of the leading manufacturers and suppliers of chitosan oligosaccharide bio fungicide in China, also supports high quality customized service. If you're going to wholesale bulk advanced chitosan oligosaccharide bio fungicide made in China, welcome to get quotation from our factory.
Fungal diseases can spread quickly under humid, warm or poorly ventilated conditions, especially in intensive vegetable and fruit production. Problems such as downy mildew, gray mold, anthracnose and powdery mildew may affect leaves, stems, flowers and fruit surfaces, reducing crop vigor and market quality.
Chitosan Oligosaccharide Bio Fungicide contains ≥5% chitosan oligosaccharide and is intended for foliar application during periods when fungal disease symptoms or infection pressure are present. It may be used alone as part of a biological disease-management program, providing growers with an alternative input for regular crop protection.
The product can also be combined with compatible fungicides when an integrated treatment is required. In this mode, it helps improve spray retention and penetration on treated plant tissues, which can support more efficient fungicide utilization.

PRODUCT SPECIFICATION
Main Benefits
The formulation is suitable for management programs involving several common fungal problems, including downy mildew, late blight, gray mold, Sclerotinia, anthracnose, leaf spots, powdery mildew and rust.
This broad positioning makes it practical for farms growing different crops or facing changing disease pressure during the season.
The product does not need to be used only as a tank-mix additive. It can be diluted with water and sprayed directly onto the crop canopy as a standalone biological crop protection treatment.
This allows Chitosan Oligosaccharide Bio Fungicide to fit lower-chemical and biological management programs.
When combined with compatible fungicides, the formulation helps the spray solution adhere more effectively to leaves, stems and fruit surfaces.
Better retention can reduce runoff and improve coverage of the treated crop canopy.
The chitosan oligosaccharide formulation can improve penetration of the spray solution across treated plant surfaces.
This can help make better use of compatible fungicides already included in the spray tank.
Improved spray performance can contribute to more efficient pesticide use. For growers seeking to reduce unnecessary chemical input, the product can be integrated into an existing disease-control program without requiring a complete change in application practices.

VISIBLE DISEASE CONTROL EFFECT
One Product, Two Disease-Management Approaches
Chitosan Oligosaccharide Bio Fungicide can be used according to actual field conditions.
For routine biological management or moderate disease pressure, it can be applied independently as a foliar spray. This gives growers a chitosan-based option for supporting crop protection without automatically increasing conventional fungicide use.
Where disease pressure becomes stronger, the same product can be combined with compatible fungicides. In this application mode, its value also comes from improving adhesion and penetration of the spray solution, helping the accompanying fungicide perform more efficiently on the crop surface.
This dual-use approach is useful for commercial growers who need flexibility across different crops, seasons and disease situations.

How It Works Against Gray Mold
Why Choose This Product?
≥5% Chitosan Oligosaccharide
Provides a clearly defined concentration of the principal functional ingredient.
Broad Fungal Disease Application
Suitable for programs involving downy mildew, late blight, gray mold, anthracnose, powdery mildew, rust and other listed fungal problems.
Suitable for Standalone Foliar Use
Can be applied directly without requiring a conventional fungicide mixture.
Compatible with Integrated Programs
Can also be used alongside compatible fungicides when stronger disease management is required.
Improves Spray Adhesion and Penetration
Helps improve retention and utilization of tank-mixed crop protection products.
Simple Liquid Application
Easy to dilute and apply using standard foliar spraying equipment.

Product Advantages
FAQ
Q: Can Chitosan Oligosaccharide Bio Fungicide be used alone?
A: Yes. It can be diluted with water and applied directly as a standalone foliar treatment.
Q: Which fungal diseases is it intended for?
A: It is intended for programs involving downy mildew, late blight, gray mold, Sclerotinia, anthracnose, leaf spot, brown spot, target spot, powdery mildew and rust.
Q: What is the functional ingredient?
A: The product contains ≥5% chitosan oligosaccharide.
Q: Can it be mixed with fungicides?
A: Yes. It can be combined with compatible fungicides to improve spray adhesion, penetration and utilization. Strongly alkaline products should be avoided.
Packing & Shipping

The liquid concentrate is suitable for retail crop-protection channels, distributor programs and private-label projects. Packaging presentation and label language can be adapted according to the target market.
For international orders, packing configuration and transportation can be arranged according to order volume, destination and local distribution requirements.
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