2 1/2 gallons

TARGETS: Powdery Mildew, Botrytis, Downy Mildew, Leaf Spot, Erwinia, Alternaria, Anthracnose, Bacterial Blight and Canker, Leaf Rust, Fusarium, Pythium, Rhizoctonia, Brown Rot, Black Spot, Phytophthora, Late Blight, Verticillium Wilt and more.

Guarda from BioSafe Systems is the first EPA registered bactericide/fungicide with botanical thyme oil as the active ingredient. Powered by HOLDit technology, benefit from 14 days of residual activity. Guarda has low risk of resistance and is safe for IPM programs with a zero hour REI. 

Guarda combats plant pathogens and provides continued defense through cellular damage and inhibition of these organisms. Guarda's mode of action is cell wall destruction, telomerase inhibition, and cell membrane damage leading to loss of cytoplasmic content and ergosterol depletion. 

The HOLDit technology in Guarda captures the active ingredient thyme oil, and allows it to remain active up to 14 days, extending performance against plant pathogenic organisms. Without HOLDit, thyme oil is rendered inefficient because the active ingredient thymol volatilizes in the environment, never allowing for sufficient contact time necessary to destroy microorganisms. This plant-based inert is tolerance exempt and approved for use without restrictions. 

Guarda Label

Guarda SDS


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