Active ingredient

Chitosan hydrochloride

Description

Chitosan hydrochloride is a natural biopolymer derived from chitin, typically extracted from crustacean shells. In modern agriculture, it is classified as a potent elicitor and a biological plant protection product. It is highly valued for its non-toxic profile, biodegradability, and its unique ability to modulate plant physiological responses against various environmental stressors and pathogenic threats.

The mechanism of action of Chitosan hydrochloride is twofold, acting both as a direct antimicrobial agent and as an immune system inducer. Upon application, it disrupts the fungal cell membrane integrity, preventing pathogen proliferation. Simultaneously, it triggers the plant's systemic acquired resistance (SAR) by stimulating the production of pathogenesis-related proteins and enzymes that fortify the plant against future infections.

This substance is effectively used on a wide range of agricultural crops, including vegetables, fruits, grapes, and cereals. It serves as a reliable defense against common fungal diseases such as powdery mildew, gray mold, Fusarium wilt, and various blights. Furthermore, it is widely recognized for its ability to reduce the incidence of post-harvest decay, extending the shelf life of produce significantly.

Practical application involves both seed treatments, which enhance germination rates, and foliar spraying during the vegetative phase. Chitosan hydrochloride is highly versatile and compatible with most tank mixes, often improving the efficacy of other plant protection products. Proper timing and adherence to recommended rates are essential to ensure the continuous induction of the plant’s natural defense mechanisms.

  • Enhances nutrient uptake and overall plant vigor.
  • Provides protection against abiotic stresses like drought and frost.
  • Environmentally friendly with no impact on beneficial pollinators.
  • Effective alternative to conventional chemical fungicides.

Safety precautions during handling are straightforward; although Chitosan hydrochloride is non-toxic, direct skin or eye contact with the concentrate should be avoided by wearing basic protective gear. It should be stored in a cool, dry, and dark environment to maintain the stability and biological activity of the polymer. Always follow the manufacturer's specific guidelines regarding concentration and local regulatory requirements.

Regulatory

Status in the European Union

Approved in the EU

CAS number
9012-76-4
Approved from
01.07.2014
ADI
Not appl.
ARfD
Not appl.
AOEL
Not appl.

Regulatory status data: EU Pesticides Database © European Union, CC BY 4.0. EU status is for reference only and does not replace national registration in your country.

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