Sticky nightshade At a glance
Sticky nightshade (Solanum sisymbriifolium) comes from South America and is related to the potato. The ‘catch crop’ sticky nightshade is suitable for the control of cyst nematodes and improves the soil structure. We introduced this crop in the Netherlands in 2001 and, together with the University of Wageningen, we have managed to make this crop more suitable as a killer of cyst nematodes.
Sticky nightshade ensures about 70% death among the nematode population, provided the crop has been able to develop well. The nematode-reducing effect is almost as big as wet soil disinfestation (80% control) and significantly higher than fallowing (50% control).
Sticky nightshade is fully resistant to all common populations of cyst nematodes (Globodera pallida and G. rostochiensis) in the Netherlands and resistant to Phytophthora. Sticky nightshade is not suitable for contaminated soil due to brown rot.