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29/10/2003
Scientists use allure of sex to protect farmers' produce
Scientists are turning to sex as a weapon in the war against pests which damage millions of pounds worth of fruit and vegetable crops, the department of environment has said.
The government has approved a £1 million package of new research projects aimed at finding more natural alternatives to chemical pesticides for farmers and growers.
Researchers in one project will target the apple leaf midge, a widespread pest which attacks orchards and nurseries, by designing traps containing female midge pheromones - substances given off to attract the opposite sex.
This will lure male midges to a sticky end so that growers get an early warning of an impending invasion and can take measures to protect their apples.
Other projects include a study to combat clubroot, a disease which ruins plants like turnips, brussels sprouts and oilseed rape and costs industry around £30 million a year in lost crops.
Lettuces, cabbages, leeks, blackcurrants and herbs are among the other crops which scientists hope to protect through new alternative pesticides and defence mechanisms which involve using natural enemies of particular pests and biological controls.
All the research is backed by money from the Department for Environment, Food and Rural Affairs (Defra), with some financial support from industry. Defra spends almost £13 million a year on research into alternative pesticide and plant protection.
(gmcg)
The government has approved a £1 million package of new research projects aimed at finding more natural alternatives to chemical pesticides for farmers and growers.
Researchers in one project will target the apple leaf midge, a widespread pest which attacks orchards and nurseries, by designing traps containing female midge pheromones - substances given off to attract the opposite sex.
This will lure male midges to a sticky end so that growers get an early warning of an impending invasion and can take measures to protect their apples.
Other projects include a study to combat clubroot, a disease which ruins plants like turnips, brussels sprouts and oilseed rape and costs industry around £30 million a year in lost crops.
Lettuces, cabbages, leeks, blackcurrants and herbs are among the other crops which scientists hope to protect through new alternative pesticides and defence mechanisms which involve using natural enemies of particular pests and biological controls.
All the research is backed by money from the Department for Environment, Food and Rural Affairs (Defra), with some financial support from industry. Defra spends almost £13 million a year on research into alternative pesticide and plant protection.
(gmcg)
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Northern Ireland WeatherToday:It will be cloudy again throughout the day. Mainly dry in the morning, but patchy drizzle in places, becoming more widespread and persistent in the afternoon. Freshening southwesterly winds. Maximum temperature 12 °C.Tonight:Cloudy with a spell of heavy rain pushing south through late evening and the early hours, followed by some clear spells. Minimum temperature 6 °C.
