Prevention, Eradication and Control of weed management
Prevention eradication and control of weeds
It may be defined as the procedure by which weeds are managed through stopping the entry or dissemination of seed and any parts having capability to propagate or the whole weed plant to a place.
Prevention of weed embodies of measure to deny the entry and establishment of new weeds in an area. It is the method which do not allow the weeds to multiply.
Weeds can be prevented by adopting the following measures:
Use pure seeds and seedlings.
Do not use whole and viable seeds or weeds with other materials for feeding animals and birds.
Do not use fresh or partially decomposed organic manures containing viable weed seeds.
Use fresh organic mulches.
Use clean farm implements.
Use clean irrigation and drainage channel.
Use fresh water for irrigation.
Avoid shifting of soil from infested area to clean area.
Do not permit the livestock to move from infested area to clean area.
Application of plant quarantine act.
Keep the threshing yard free from weeds.
It may be defined as the procedure by which the weed seeds and other propagules or even the whole plant are destroyed. So that the weed will not re – appear their unless reintroduced.
In other word, eradication is the complete elimination of all living plant parts or seeds of weed from an area.
It may be done by –
a. Destroying the weed species of early stage of growth.
b. Destroying the viable weed seeds by fumigation, flooding, heating etc.
Control is the process of limiting weed infestation. So that there is minimum competition between weed and crop.
The aim of weed control is to manage the vegetation in such a way as will encourage the growth of plant beneficial to us and will suppress the remaining relatively unwanted plant species.