Ziram
Active ingredient

Ziram

Description

Mode of action

Ziram is a protective, contact-acting fungicide belonging to the dithiocarbamate chemical class.

It works by inhibiting essential enzymatic processes within the fungal cells, effectively preventing the germination of spores.

The substance creates a chemical barrier on the leaf and fruit surface, which physically protects the plant from external pathogenic attacks.

As a non-systemic product, it does not move within the plant's vascular system, meaning thorough coverage of all plant surfaces is vital for efficacy.

Ziram is often valued in integrated pest management programs for its ability to provide a robust initial defense against fungal colonization.

What it targets

Ziram is used to combat a wide variety of fungal infections on fruits, vegetables, and ornamental crops.

It is widely recognized for its efficacy against apple and pear scab, which are among the most economically significant threats in orchards.

The fungicide is also effective against various leaf spot diseases, anthracnose, and several types of rust that affect crop yield.

It provides reliable protection in nurseries and plantations, helping to maintain healthy foliage throughout the growing season.

By preventing early-stage infections, Ziram helps maintain the cosmetic quality of fruits and vegetables destined for the fresh market.

Rates and timing

Application rates depend heavily on the specific crop variety, the pressure of the disease, and the environmental conditions present during the season.

Treatments are typically scheduled as preventative measures, applied before conditions become optimal for fungal development.

Frequency of use is regulated to ensure that residual levels remain within safe limits for consumers and to prevent the development of resistant pathogen strains.

Rainfall patterns influence the frequency of re-application, as heavy precipitation can wash the protective layer off the leaf surfaces.

Always refer to the specific label instructions for the concentration of the working solution and the required pre-harvest intervals.

Restrictions

Since Ziram is a contact fungicide, it lacks curative properties and is ineffective at eradicating established, internal fungal infections.

The product is incompatible with alkaline substances like Bordeaux mixture, as high pH levels significantly degrade the active ingredient.

Strict safety precautions are required during handling, as the dust or spray mist can irritate the eyes, skin, and respiratory tract.

Operators must wear appropriate personal protective equipment to minimize exposure during the mixing and spraying processes.

Environmental care must be taken to prevent drift into non-target areas and to avoid contaminating waterways where the substance could harm aquatic life.

Regulatory

Status in the European Union

Approved in the EU

CAS number
137-30-4
Approved from
01.08.2004
Approval until
31.01.2027
ADI
0.006 mg/kg bw/day
ARfD
0.08 mg/kg bw
AOEL
0.015 mg/kg bw/day
Hazard classification (CLP)
Acute Tox. 2 - H330Acute Tox. 4 - H302Aquatic Acute 1 - H400Aquatic Chronic 1 - H410Eye Dam. 1 - H318STOT RE 2 - H373STOT SE 3 - H335Skin Sens. 1 - H317

EU status is for reference only and does not replace national registration in your country.