Chitosan Oligosaccharide Powder 7g Pack by the Plant Growth Company
 
Chitosan oligosaccharide is a natural Biofertilizer, Biopesticide, and Biostimulant (Plant Immune Elicitor). It induces broad-spectrum antifungal, antibacterial, and antiviral activity against pathogens and pests and enhances plant growth and productivity for significant increases in crop yield.
Triggers and enhances plants natraul defense systems.
 
100% natural. 
Mix with room temperature water at 2.5g a litre and use as either a foliar spray or a root drench. Use early on in veg cycle to boost plants immune responses and for a vitality boost.