The fungi can be used to control wireworm, the larvae of click beetles which damages potatoes
Crop scientists discover fungi alternative to pesticides
3rd March, 2010
Study identifies naturally occurring alternatives for controlling wireworm, a widespread potato pest in the UK
Farmers may soon have a non-chemical pesticide for controlling the damaging potato pest, wireworm, after scientists at Swansea University identified a fungal alternative.
The wireworm, the larvae of click beetles which damages potatoes and other arable crops, drastically reduce yields and is usually controlled by applying insecticides to the soil.
But a Swansea University team at the School of Environment and Society led by Dr Minshad Ali Ansari and Professor Tariq Butt, found one fungi in particular, the metarhizium anisopliae strain V1002, that had a 90 per cent success rate in killing the wireworms during testing.
Dr Ansari said this fungi offered the possibility of a 'completely organic approach to controlling pests'.
The research on non-chemical alternatives comes as Kansas State University scientists confirmed weed resistance was growing to a key ingredient in Monsanto's Roundup herbicide.
Weed scientist Phil Stahlman, who has studied the spreading resistance in western Kansas, said it might 'increase control costs for growers'. He recommended other herbicides that could be used to control the Kochia weed, also known as fireweed.
The weed is also commonly found in the western United States and Canada.
According to reports, Monsanto declined to answer questions about how significant the resistance problems are and if they are expected to spread further.
EU approves GM potato
Also, this week, the European Commission authorised BASF's genetically modified potato, 'Amflora', for cultivation in the EU. The potato is the first crop to be approved for planting in Europe since Monsanto's MON810 GM maize in 1998.
BASF said the Amflora crop is designed to yield industrial starch and will not enter the food chain.
Kansas State University research
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