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It is not really difficult to kill aphids, but aphid control alone is not the answer to BYD management. The currently registered insecticides will provide adequate control at the time of application. Warrior does provide the advantage of a longer residual control. The really important questions are 1.) IS an application needed, and 2.)WHEN should the application be made? These questions are especially difficult to answer when yield potentials are poor and/or prices are low. Remember, it is not the damage caused by the aphid that is our concern. We are trying to reduce the movement of the Barley yellow dwarf virus into the plant.

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