Bio Viricide for Crops
Product Type: Chitosan Oligosaccharide-Based Biological Crop Protection Liquid
Form: Liquid
Functional Ingredient: Chitosan Oligosaccharide ≥5%
Target Use: Crop Virus Disease Management Programs
Application Method: Foliar Spraying
Bio Viricide for Crops is a liquid chitosan oligosaccharide formulation developed for crop protection programs involving virus-related plant diseases. It can be applied independently as a foliar biological treatment, or used together with compatible pesticides when an integrated control program is preferred. The product is intended to support crop health while also improving spray adhesion, penetration and pesticide utilization when tank-mixed.
Product Introduction
Shandong Zhongnong Fuyuan Ecological Agriculture Development Co., Ltd. is one of the leading manufacturers and suppliers of bio viricide for crops in China, also supports high quality customized service. If you're going to wholesale bulk advanced bio viricide for crops made in China, welcome to get quotation from our factory.
Virus-related crop problems can affect plant vigor, leaf development and overall production performance. Management usually depends on timely intervention, good crop nutrition, reduction of stress and appropriate crop protection practices.
Bio Viricide for Crops contains ≥5% chitosan oligosaccharide and is designed for foliar application during periods when virus-related symptoms or disease pressure are present. It can be used alone, giving growers a biological crop protection option without requiring a conventional pesticide in the spray tank.
The same formulation can also be combined with compatible crop protection products. In this use mode, it improves the physical behavior of the spray solution on plant surfaces and helps make the accompanying pesticide treatment more efficient.

EFFECTIVE CONTROL OF CRITICAL PLANT VIRUSES
Standalone Use and Integrated Use

Standalone Application
For biological crop protection programs, the product can be used alone as a foliar spray. This approach is suitable when growers want to add a chitosan oligosaccharide-based input to their crop health program without increasing the number of conventional pesticides applied.
The standalone mode is especially relevant where the objective is to support crop condition during virus-related stress and maintain a lower-chemical management strategy.
Use with Compatible Pesticides
When disease pressure is heavier or when the farm already follows a conventional crop protection program, the product can also be tank-mixed with compatible pesticides.
In this mode, the role of the formulation is different: it improves adhesion and penetration of the spray solution, helping the accompanying pesticide remain on the crop surface and be utilized more efficiently.
Both application approaches are valid, and the choice should depend on crop condition, local disease pressure and the grower's existing management program.

Why Choose This Product?
≥5% Chitosan Oligosaccharide
A clearly defined functional ingredient concentration for foliar biological crop protection.
Can Be Used Independently
Suitable for direct foliar use without requiring a conventional pesticide mixture.
Can Also Be Tank-Mixed
Offers flexibility for integrated crop protection programs when compatible pesticides are needed.
Supports Crop Health Under Virus-Related Stress
Provides a biological input option during periods when crops are affected by virus-related problems.
Improves Spray Adhesion and Penetration
Helps improve the physical performance of pesticide sprays when used in combination.
Suitable for Repeated Foliar Programs
Can be incorporated into short-interval treatment programs according to field conditions.
FAQ
Q: Can Bio Viricide for Crops be used alone?
A: Yes. It can be diluted with water and applied directly as a standalone foliar treatment.
Q: Can it also be mixed with pesticides?
A: Yes. It can be combined with compatible pesticides to improve spray adhesion, penetration and utilization. Strongly alkaline products should be avoided.
Q: What is the main functional ingredient?
A: The product contains ≥5% chitosan oligosaccharide.
Q: What is the recommended dilution?
A: The original recommendation is 50 g per approximately 15 kg of water.
Q: How often can it be applied?
A: The original program recommends one application every 2–3 days for three consecutive applications.
Packing & Shipping

The liquid concentrate can be supplied in packaging suitable for retail agricultural use, distributor programs or private-label projects. Label language and packaging presentation can be adapted according to the target market.
For export orders, packing and shipping arrangements are selected according to order volume, destination and transport requirements.
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