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JINMAI® Chitosan Oligosaccharide is a next-generation plant biostimulant derived from marine chitin through advanced enzymatic hydrolysis technology. The product contains highly active low-molecular-weight chitosan oligosaccharides (degree of polymerization 2–20), which ensures excellent water solubility, high bioavailability, and rapid plant absorption.
Unlike conventional chitosan products, this formula delivers significantly higher biological activity, enabling crops to activate natural defense systems, improve nutrient utilization, and enhance resistance to environmental stress.
By stimulating root development, activating plant metabolism, and enhancing photosynthetic efficiency, this biostimulant supports stronger crop growth, higher yields, and improved produce quality across a wide range of agricultural crops.
Technical Indicators
| Formula | Chitosan oligosaccharides 5%/10%/15% |
| Appearance | Brown Liquid |
Release Type | Quick |
Model Number | 1L |
Density | 1.00 g/ml |
pH (1:250) | 6.5±0.5 |
Characteristic | 100% Water Soluble |
Function | Root Development, Cell Activation, and Photosynthesis Enhancement |
Application | Fruits, Vegetables, Field Crops, Cash Crops, Ornamentals & Turf |
| Origin | Shandong, China |
| OEM&ODM | Logo, Package, Graph, Formula Customized |
Key Features

⦁ Highly Active Low-Molecular Chitosan
The enzymatic hydrolysis process produces chitosan oligosaccharides with small molecular size, allowing plants to absorb nutrients rapidly and efficiently. The biological activity is significantly higher than traditional chitosan.
⦁ Rapid Plant Absorption
With excellent water solubility and high permeability, nutrients can quickly penetrate plant tissues and participate in metabolic processes, providing fast and visible crop responses.
⦁ Natural Plant Immunity Activator
Chitosan oligosaccharides act as natural plant immune elicitors. They stimulate the production of defense compounds such as phytoalexins, phenolic substances, and lignin, strengthening the plant's natural resistance to diseases.
⦁ Root Growth and Nutrient Uptake Promotion
Stimulates root cell division and elongation, forming a stronger root system that improves nutrient absorption and enhances overall crop vigor.
⦁ Photosynthesis Enhancement
By activating plant metabolic enzymes and improving chlorophyll synthesis, the product increases photosynthetic efficiency and promotes healthy vegetative growth.
⦁ Eco-Friendly Marine Resource
Derived from renewable marine materials, the product is biodegradable, environmentally friendly, and safe for soil microbial ecology.
Product Efficacy
⦁ Stimulates Root System Development
Encourages rapid root formation and root hair growth, allowing plants to absorb water and nutrients more efficiently.
⦁ Activates Plant Cells and Metabolism
Improves enzyme activity within plant cells, accelerating nutrient transformation and supporting stronger plant growth.
⦁ Enhances Crop Stress Resistance
Helps crops withstand adverse environmental conditions such as low temperature, drought, salinity stress, and oxidative damage.
⦁ Improves Plant Immunity
Triggers natural plant defense mechanisms that reduce susceptibility to fungal and bacterial pathogens.
⦁ Boosts Photosynthetic Efficiency
Enhances chlorophyll synthesis and carbon assimilation, leading to stronger vegetative growth and increased biomass.
⦁ Improves Yield and Crop Quality
Promotes better fruit setting, improved fruit size, enhanced color development, and higher overall yield potential.
Applications
![]() | Fruits ⦁ Suitable Crops: Citrus, grapes, apples, berries, bananas, melons ⦁ Function: Improves fruit setting, enhances color, sweetness, and storage quality; reduces post-harvest diseases. |
![]() | Vegetables ⦁ Suitable Crops: Tomatoes, peppers, cucumbers, leafy greens, eggplants, onions ⦁ Function: Enhances root vigor, boosts immunity, reduces root rot and powdery mildew incidence. |
![]() | Field Crops ⦁ Suitable Crops: Wheat, corn, soybean, cotton, rice ⦁ Function: Increases germination rate, strengthens root systems, improves drought and cold tolerance. |
![]() | Cash Crops ⦁ Suitable Crops: Tea, coffee, cocoa, tobacco ⦁ Function: Improves leaf quality, aroma, and resistance to leaf spot diseases. |
![]() | Ornamentals & Turf ⦁ Function: Enhances root density, improves resistance to fungal diseases, and maintains vibrant color. |
Method Of Use
Method | Dosage | Frequency |
| Foliar Spray | 0.5-1 L/ha (Dilute 800-1200 times) | Every 10–15 days during growth stages |
Note: The specific usage and dosage can be adjusted according to the differences in regions, crop types, yields, etc, under the advice of technical personnel.
Optimal Application Timing
Seedling Stage: Promote root establishment and early growth.
Pre-Flowering Stage: Enhance flower bud differentiation and improve flowering quality.
Fruit-Setting Stage: Increase fruit set rate, improve fruit quality, and reduce fruit drop.
Stress Periods: Apply before expected cold, drought, or disease outbreaks to strengthen resistance.
Precautions
1. Mixing Order: When combining with other products, follow this sequence: water → this product → other products.
2. Compatibility: Compatible with most pesticides. Always conduct a compatibility test before first use.
3. Storage: Store in a cool, well-ventilated place, away from direct sunlight.
4. Safety: Keep out of reach of children; Not for human or animal consumption; In case of eye contact, rinse thoroughly with water and seek medical attention immediately.
FAQ
1. What is the main role of chitosan oligosaccharide in agriculture?
Chitosan oligosaccharides act as plant biostimulants and immune elicitors. They activate plant defense responses, stimulate root development, enhance nutrient uptake, and improve overall crop resistance to diseases and environmental stress.
2. How is chitosan oligosaccharide different from traditional chitosan?
Traditional chitosan has a large molecular structure and limited solubility. Chitosan oligosaccharides are produced through enzymatic hydrolysis, resulting in smaller molecules that dissolve easily in water and are more readily absorbed by plants.
3. Can this product be used together with fertilizers or pesticides?
Yes. Chitosan oligosaccharide is compatible with most fertilizers and crop protection products. It is often used in tank mixes to improve nutrient absorption and enhance plant stress tolerance.
4. What crops benefit most from chitosan oligosaccharide application?
Almost all crops can benefit, especially fruit trees, vegetables, and greenhouse crops where stress resistance, disease prevention, and fruit quality improvement are critical.
5. Is chitosan oligosaccharide environmentally safe?
Yes. The product is derived from natural marine sources and is biodegradable. It does not cause soil pollution and is safe for beneficial microorganisms.
6. How quickly can farmers see the effect after application?
Under normal growing conditions, improved leaf vitality and plant vigor can often be observed within several days after application, depending on crop type and environmental conditions.