Propamocarb is a systemic fungicide used for control of soil, root and leaf disease caused by oomycetes. It is used by watering or spraying. Propamocarb is absorbed and distributed through the plant's tissue. Chemically it is a carbamate derivative most commonly formulated as the hydrochloride salt for technical and formulation stability. It provides preventive and early curative activity against Pythium and Phytophthora species by reducing spore germination and mycelial development. The compound is highly water soluble, compatible with common spray adjuvants and fertilizer carriers, and is applied as drenches, soil incorporations, foliar sprays and some seed treatments depending on formulation. In crop protection programs it is used to protect root systems and young transplants, and can be integrated into resistance management schemes because its primary target group is oomycetes rather than true fungi.
Parent: Propamocarb
Typical technical-grade specification data for propamocarb products are expressed as assay and limits for related substances and contaminants. A representative specification might state assay 97.0 mass percent minimum for propamocarb technical, total related compounds not exceeding 2.0 mass percent, individual related compound limits such as propamocarb N-oxide up to 0.5 mass percent and N-dealkylated or hydrolysis derivatives up to 0.5 mass percent each, total unidentified impurities not exceeding 1.0 mass percent, loss on drying up to 0.5 mass percent, residual solvents up to 0.5 mass percent where applicable, and heavy metals below 20 mg/kg. Typical related compounds encountered during synthesis and storage are N-oxide derivatives, dealkylation products and carbamate hydrolysis products; specific impurity profiles and limits should be confirmed on the product certificate of analysis for the batch purchased.
Propamocarb is a carbamate-class fungicide formulated commonly as propamocarb hydrochloride that controls oomycete pathogens such as Pythium and Phytophthora by protecting roots, seedlings and foliage when applied as soil drenches or sprays.
Propamocarb acts primarily by interfering with oomycete metabolism related to membrane and lipid biosynthesis, inhibiting spore germination and mycelial growth; the precise molecular target is not fully characterized, and its activity is considered mainly fungistatic against oomycetes.
Yes, propamocarb is systemic; it is absorbed via roots and foliage and translocated within the plant, providing acropetal protection to roots and shoots when applied as recommended.
