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control of pests - Coggle Diagram
control of pests
cultural
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crop rotation
this approach prevents crop-specific weeds, pests or diseases from being able to build up to unmanageable levels
in this practise, a series of very different types of crop plant are grown in turn on the same piece of ground
once the first crop has been harvested, it is followed in the next season by a dissimilar type of plant that does not act as host to the pest being controlled
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pesticides
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insecticides, molluscicides and nematicides
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herbecides
to kill weeds
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selective
Affects broad leafed plants only.
Mimics plant growth hormones. Increases metabolic rate – growth outstrips demand and plant starves.