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Chitosan AG: Activating Defense in Broccoli & Peas

Chitosan AG: Activating Defense in Broccoli & Peas

A water-soluble chitosan oligosaccharide hydrochloride that primes the plant’s own immune system turning crops into active participants in their own protection.

01 — The Molecule

What Chitosan AG Is

A low-molecular-weight chitosan oligosaccharide hydrochloride — < 3,000 Da, 2–20 glucosamine units.

  • Fully water-soluble clean dissolution, no nozzle clogging
  • Rapidly absorbed via roots and leaves
  • Tank-mix friendly with NPK, humic / fulvic, amino-acid biostimulants, Trichoderma, Bacillus

02 — The Cascade

PTI → SAR + ISR

COS-AG
MAMP

↓

Plant PRR
receptor

↓

PTI triggered
pattern-triggered

↓

SAR

salicylic acid
biotrophic pathogens

ISR

jasmonic acid
necrotrophs / insects

Broad-spectrum, systemic resistance

chitinase • peroxidase • PPO • lignification

03 — In The Field

Benefits for broccoli & peas

  • Stronger emergence & seedling vigor
  • Lower root & foliar disease pressure
  • Better abiotic stress resilience
  • Supports yield & quality potential

How to use it in existing programs

Four entry points across the broccoli & pea calendar from seed to canopy designed to slot into the spray plans, fertigation lines and biocontrol stacks you already run.

# Method Rate (% w/v) Primary benefit
01 Seed treatment 0.1 – 0.2 % Early vigor + seed and seedling defense from day zero
02 Root drench 0.2 % Root-zone immunity + transplant establishment
03 Drip irrigation 0.01 – 0.025 % Low-dose continuous rhizosphere support
04 Foliar spray 0.4 – 1.0 % Leaf-level defense priming during disease pressure

Formulation Note

A defense-eliciting co-input — not a fungicide replacement

Position Chitosan AG alongside conventional chemistry to help reduce fungicide and pesticide load and concentration over time.

“May partially replace selected applications where field trials, labels and local regulations support it.”

Before broad deployment

  • Confirm tank-mix & formulation stability
  • Verify water quality and target pH
  • Validate crop safety on broccoli & peas
  • Check local regulatory & label fit

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