Classification of Herbicides Flashcards
1
Q
These are applied after land preparation, but before the crop is planted.
A
Pre-plant Herbicides
2
Q
These are applied after the crop is planted, but before the weed or crop has emerged.
A
Pre-emergence herbicides
3
Q
These are herbicides whose phytotoxic effects are manifested at the sites on the plants where the spray droplets are deposited.
A
Contact herbicides
4
Q
These are herbicides whose effects are manifested at and away from the sites phytotoxic on the plants where the spray droplets are deposited.
A
Translocated Herbicides
5
Q
These are herbicides with a broad spectrum. It kills all plants.
A
Non-selective herbicides
6
Q
These are herbicides that kill some plants leaving some practically unharmed.
A
Selective Herbicides
