Entonem_research_results_cold_tolerance_EN_-_Koppert.pdf
(weeks) before the
full effect of the nematodes is visible
(best visible in trial 3). With difficult
pests like black vine weevil it is more
often observed [...] threshold of 5°C.
Efficacy %
80
60
40
20
Figure 1: Efficacy (%) expressed as percentage mortality
of mealworms, 4 days after application of Steinernema [...]
60
40
40
20
20
0
Larvanem (Heterorhabditis
bacteriophora) remains the best
choice when soil temperatures
fluctuate between 14 and 33°C.
Control