Physical Control Methods

Potatoes are one of the most important food crops worldwide, and are grown in a range of climatic conditions from temperate to tropical. As such, key pests vary in different regions. While chemical control is effective against many key pests it is not effective against all, and there are inherent problems with its usage. Physical control methods are safe for users to apply, leave no residual chemicals on the plants or in the general environment, and can often be reused or reconstructed year after year, making them economical. Furthermore, for pathogen-transmitting insects, insect exclusion screens are the only control method that is 100% effective when properly used. Physical control methods have not been developed for all potato pests; this chapter will review effective management tactics for a variety of key potato pests.

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