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  Home » Sustainable Technologies » Non Pesticidal Management

Non Pesticidal Management

 

Non Pesticidal Management of Insect pests is a ‘System that maintains the pest populations at levels below those causing economic injury, by having healthy crop and managing the population dynamics in the crop ecosystem”. .

 

It is simply not the juxta-position or super-imposition of two or more control techniques but the integration of all suitable management techniques in a harmonious manner with natural regulating and limiting elements of the environment.

 

It is a paradigm shift in moving from input centric model to knowledge and skill based model.  It involves making best use of natural resources locally available.

 

The main principles underlying the Non-Pesticidal Management:

  • a natural ecological balance will ensure that pests do not reach a critical number in the field that endangers the yield

  • nature can restore such a balance if it is not meddled with too much, hence no chemical pesticides/pesticide incorporated crops at all.

  • understanding the behaviour and life cycle of an insect is important to manage pests – it is not enough if reactive sprays are taken up outbreak.

  • Prevention rather than control/reaction is the key element to NPM

  • crop diversity and soil health play an important role in pest management

  • that pest management is possible with local, natural material

 

In the four stages of the life cycle, insects damage the crop only in one stage [larval stage in most of the cases] – atleast two of the stages are immobile [egg and pupa]. The adult stage will not be on the crop. There are several options available to control them at each of the stages mostly using local resources. 

 

 

 

All these doesn’t require the so called ‘expertise’ but only accepting and respecting the knowledge and skills of the farmers, supporting them to enhance their knowledge base with the demystified modern science.

 

The dominant paradigm which still by and large tries to find solutions in marketable technologies and commodities have to change.  The public policy support which encourages such commodities has to change.  The research system which has already set its agenda to work and promote on such technologies should reorient its priorities and work towards more farmer friendly methods and technologies.  A shift in the mindset, a shift in the perspectives of thinking is needed.

 

What this calls for is a shift in the pest management paradigm currently being adopted.