4.3. Crop diversification
Mixtures of plants within the crop can reduce colonization
by pest species and the use of trap crops can lure the
pest insects away from the crop by a push–pull strategy
(Hooks and Johnson, 2003; Cook et al., 2007). ManipulaN.V.
Meyling, J. Eilenberg / Biological Control 43 (2007) 145–155 151
tion of insect behavior may also affect the dispersal of
entomopathogenic fungi in agroecosystems because fungal
inoculum can be distributed by insect activity.