Mei found a new way to delay the emergence of insecticide resistance
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Last Update: 2002-03-20
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Source: Internet
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Author: User
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Introduction: American scientists have found a new way to effectively reduce the genetic resistance of agricultural pests The results show that in some cases, the new method can delay the time of resistance for several decades or even hundreds of years At present, once a pesticide has been used for many years, pests will become resistant to it People have to replace it with another chemical until the pest "adapts" again However, by using a variety of insecticides, the NCR method can easily detect a specific insecticide to control the pest that has become resistant to a certain insecticide If the specific insecticide is used at the same time or alternatively with the original insecticide that has become resistant to the pest, it can effectively prevent the pest from becoming resistant Scientists say that although the cost of using two insecticides is significantly higher than that of only one, they prefer to use two insecticides together because it is the simplest and most effective way to control pests for crops The insecticides used in the NCR system were selected from more than 10 million compounds, the researchers said This new method can not only prolong the life of the existing insecticides on the market and save the cost of developing new insecticides, but also be applied to prevent bacteria from becoming resistant to antibiotics in theory BUY
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