| 11. | If you must resort to chemical control, ask your nurseryman for a recommendation.
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| 12. | Hand-picking is safer for beneficial insects and birds than chemical controls.
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| 13. | Chemical control is possible with fungicides such as triadimefon and propiconazole.
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| 14. | However, in the 21st century, this reliance on chemical control is becoming unsustainable.
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| 15. | Other methods that have been considered are poison and chemical control.
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| 16. | Chemical control in the form of fungicides is also commonly used.
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| 17. | Chemical control may be achieved by foliar application with a number of different herbicides.
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| 18. | For chemical control, preventative applications are best to reduce the potential for bacterial development.
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| 19. | Chemical control is difficult because the insects are protected by their hard waxy covers.
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| 20. | Chemical control is common in any regions with heavy attack.
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