are splash-dispersed within the crop. Both types of spores cause the exact same symptoms. They enter the leaf through the stomata. After infection, hyphae
At 15 ºC one female A. matricariae can parasitize 50 aphids while at the same temperature A. colemani can only parasitize 40 aphids • Between 20 ºC and
of thrips • N. cucumeris, A. swirskii and A. andersoni predate about the same number of thrips per day. If sufficient food is available, the population
and setting issues due to temperature and humidity are eliminated. At the same time, the grower must make sure the plants have enough strength but are not