Allelopathic Interactions of Solanum stramonifolium Jacq. Might Be Used for Meloidogyne incognita Management

The root-knot nematode (RKN) Meloidogyne incognita infects a large host range causing enormous agricultural losses. Although the control of this pest is mainly based on use chemical pesticides, natural alternatives are currently being largely considered, especially plant-derived molecules, as allelochemicals and plant extracts. Solanum stramonifolium Solanaceae family has been studied for its potential to RKN, either by aqueous extracts seeds, or due immunity penetration. Our studies demonstrate that S. an efficient defense mechanism against RKN completely preventing penetration into root system. Additionally, compounds exuded in soil can affect infection nearby grown Nicotiana benthamiana (-89% biomass treatment I respectively, -61% +57% galls treatments lycopersicum (-79% I, -83% II). Herein, external (ED, < 3.5 kDa) internal (ID, > dialysates were prepared from extract seeds. Arabidopsis thaliana Col-0 inoculated with treated showed reduced gall diameter 45% 35% ED ID respectively. significant reduction was observed germinated seeds after ID. In addition, roots changes their ploidy levels when ID, compared untreated control, indicating effect endoreduplicating cells. Finally, partial identification glycoalkaloids present may help explain infection. Results obtained shed light mechanisms M. incognita, allelopathic co-cultivated plants biotechnological representing strong alternative management conventional agriculture.