Chemical-free pest management cuts rice waste

Thursday, March 17, 2011 - 10:00 in Mathematics & Economics

In 2006, Maria Otilia Carvalho, a researcher from the Tropical Research Institute of Portugal had an ambitious goal: to cut the huge losses of rice – a staple food crop for half of humanity – due to pests, without using toxic pesticides that are increasingly shunned by consumers worldwide. She realised she could not do it alone and turned to EUREKA to support an international collaboration to address a looming threat to world's rice supplies. Harvested rice is constantly under menace from pest insects and fungi - to avoid the pests, farmers and producers treat the rice with chemical pesticides, which leave residue on rice, potentially harming rice workers and consumers. Even the bigger problem is that insects are developing resistance to chemicals, slowly rendering it useless.

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