Henchem TERMINOLOGY

What does all the terminology on the packaging mean?
2019/02/19

Absorption

Uptake of the active ingredient into the plant’s system (etc leafs, roots and stems). 

Active ingredient

Chemical substance in the herbicide that actually does the killing.

Alien plant invader

Alien plants introduced on purpose or by accident, that can spread aggressively into and put out of place indigenous (local) vegetation (plants).  These weeds may be

Annual weeds.

Grows for one year only.

Contact

This type of product will only destroy the leaf service it comes into contact with.

Dormant seed

A Seed that stays inactive as a result of poor germination factors

Herbicides  (Weed killers)

A pesticide (chemical) that kill plants.

Fungicides

A pesticide (chemical) that kill plant disease on plants.

Insecticides

A pesticide (chemical) that kill insects

Leaf absorbing

This type of herbicides are absorbed by the leafs and green stems of plants.

Non-selective

This type of herbicides will control any plant that it comes in contact with.

Root-absorbing

This type of herbicides are absorbed by the roots of plants.

Perennial weeds.

Keeps on growing.

Pre-emergence

This herbicides prevent the seeds of weeds to germinate.  It will not control existing plants.

Post emergence

This type of herbicides control existing plants (after it emerged).  It will not prevent seeds from germinating.

Systemic

This type of herbicides are absorbed into and translocated through the plant.

Selective

This type of herbicides will control only certain plants. (e.g. only grasses, or only woody plants)

Translocation?

Movement of active ingredient inside the plant.  Movement can be upwards from roots to leaves. Or downwards from leaves to roots.

Weed

Any plant that grows where it is not suppose to grow