Tall oil pitch
Description
Mode of action
Tall oil pitch is a complex distillation residue derived from crude tall oil. In modern agriculture, it is extensively utilized as a functional adjuvant to enhance the performance of pesticide applications.
The primary action involves modifying the surface tension of the spray solution. This allows for superior wetting of leaf surfaces, ensuring that the active ingredients penetrate effectively even on waxy or hydrophobic foliage.
By creating a durable adhesive film, tall oil pitch minimizes droplet bounce and runoff during the application process. This ensures that a higher percentage of the active agent remains on the target site for optimal biological impact.
The substance acts as a penetration enhancer, helping active ingredients pass through the plant's cuticle barrier. This is particularly crucial for systemic herbicides and fungicides, which require rapid uptake to be effective.
It also provides a protective layer that mitigates the impact of environmental factors, such as UV degradation and wash-off from light rain. This results in a more stable and prolonged protection period for treated crops.
What it targets
Tall oil pitch is used in combination with herbicides, fungicides, and insecticides. It is particularly valuable when treating crops with difficult leaf architectures that typically repel aqueous solutions.
It is suitable for a wide range of agricultural and horticultural applications where maximizing the efficiency of every liter of pesticide solution is a priority for the farmer.
Rates and timing
Dosage rates are determined based on the specific crop requirements and the type of pesticide being used. Tall oil pitch is typically added to the tank mix as the final ingredient to ensure proper integration.
Optimal results are achieved when concentrations are strictly controlled according to manufacturer guidelines. Adhering to the recommended spray volumes prevents issues with uneven application or chemical incompatibility.
Restrictions
Personnel handling tall oil pitch must adhere to standard safety protocols, including wearing protective gear to prevent skin and eye contact. Proper ventilation is necessary when handling concentrated forms.
Environmental compatibility should be considered, and it is advised to test tank mixes for stability and phytotoxicity on a small area before large-scale application, especially under high-temperature conditions.
Status in the European Union
Not approved in the EU
- CAS number
- No CS allocated
- Approved from
- 01.09.2009
- Approval until
- 14.07.2017
- ADI
- Not appl.
- ARfD
- Not appl.
- AOEL
- Not appl.
EU status is for reference only and does not replace national registration in your country.