Phos Phyt 400

Systemic Fungicide

Systemic fungicide with protective activity, translocated throughout the plant by both xylem and phloem. Effectively controls phytophthora diseases and downy mildew in various situations

	Phos Phyt 400
Target	Phytophthora root rot & collar rot
Product Type	Fungicide
Active Ingredient	400g/L Phosphorous acid as potassium phosphite
Group	33
Pack Size	1L, 2.5L, 5L, 20L
APVMA Registration #	66081 Search APVMA number at APVMA PubCRIS.

Profile

First marketed in 1989. Induction of host plant defence possibly resulting in inhibition of spore germination or by blocking development of mycelium and sporulation.

Key Features & Benefits

High-strength formulation with 400 g/L phosphorous acid for effective plant uptake
Systemic activity, moving through the plant’s vascular system for complete protection
Dual action — supports plant health while suppressing key root and crown diseases
Compatible with most agricultural sprays, enabling flexible tank-mixing
Fast absorption for rapid response under disease pressure
Enhances natural plant defence against Phytophthora, Downy Mildew and related oomycete diseases
Strengthens plant stress tolerance, especially during high disease pressure or adverse conditions
Promotes healthier canopy growth, supporting improved yield and quality