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2022-11-20T00:03:00.0000000Z
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Climate change means farmers in West Africa need more ways to combat pests

Phys.Org

by Loko Yêyinou Laura Estelle, The Conversation
The link between climate change and the spread of crop pests has been established by research and evidence.

Farmers are noticing the link themselves, alongside higher temperatures and greater variability in rainfall. All these changes are having an impact on harvests across Africa.

Changing conditions sometimes allow insects and diseases to spread and thrive in new places. The threat is greatest when there are no natural predators to keep pests in check, and when human control strategies are limited to the use of unsuitable synthetic insecticides.

Invasive pests can take hold in a new environment and cause very costly damage before national authorities and researchers are able to devise and fund ways to protect crops, harvests and livelihoods.

Early research into biological control methods (use of other organisms to control pests) shows promise for safeguarding harvests and food security. Rapid climate change, however, means researchers are racing against time to develop the full range of tools needed for a growing threat.

Read on: https://phys.org/news/2022-11-climate-farmers-west-africa-ways.html

Africa
Climate_change
Invasive_species

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