1. Biological Herbicides
Shah Fahad
The University of Agriculture Peshawar
Department of Agronomy
shahfahad974@gmail.com
2. A substance that is toxic to plants used to
destroy unwanted vegetation.
Herbicides belong to a group of
chemicals which prevent, destroy, repel,
or mitigate pest. Herbicides are any
chemical substance that is used to kill
plants or inhibit growth.
3. Bio herbicide is a biologically based control
agent for weeds .
Bioherbicides may be compounds and
secondary metabolites derived from microbes
such as fungi, Bacteria or protozoa; or
Phytotoxic plant residues, extracts or single
compounds derived from other plant species.
4. In irrigated agriculture weed control through
chemicals creates ;
Spray drift hazards
Water contamination
Effects Environment
Contamination in food sources
i-e ( effect livings health)
So Bioherbicides will be alternately used for
weed control.
.
.
5. Produce abundant & adorable inoculum in
culture
Be target specific
Be genetically stable
Determental effect on non-target plants (Native
Plants)
6. Bioherbicides may be
secondary metabolites derived from microbes
such as fungi, bacteria or protozoa;
Phytotoxic plant residues , extracts or single
compounds derived from other plant species.
7. While many different products have been
launched, currently some Bioherbicides are
available for sale/purchase in market globally .
Below is the list of available Bioherbicides:
18. Target Weed specie: Deciduous Plants
Name of Microbe :Chondrosterium purpurium
19. Target Weed specie: Acacia spp. Prunus serotina
Name of Microbe : Chyndrostereum purpurium
20. Xpo (Xanthomonas bacteria) is used for Annual
bluegrass control.
It has a high potential as a biological control
agent for perennial ryegrass(Lolium perenne
L.). It is evaluated as a commercial
bioherbicide.
21. Plant Extract:
A plant extract is a substance or an active with
desirable properties that is removed from the
tissue of a plant, usually by treating it with a
solvent, to be used for a particular purpose.