Suitability ofBrassica oleracealeaves in managingMeloidogyne incognitathrough the ground leaching technology system under microplot conditions

Urban Farm DB summary

To test whether cabbage (Brassica oleracea) leaves -- widely available as market waste in peri-urban agriculture -- could be used in a ground leaching technology (GLT) system to manage root-knot nematodes (Meloidogyne spp.) and improve tomato (Solanum lycopersicum) growth, researchers ran a 2x2x2 factorial experiment combining Bacillus species, Brassica leaf extract, and nematode presence across two seasons under microplot conditions. At harvest, the Bacillus x Brassica x nematode interaction reduced final nematode population density, fresh fruit yield, dry shoot mass, plant height, and stem diameter, while the Bacillus x Brassica interaction increased tomato growth variables; Brassica alone reduced tomato productivity, and overall the extract's efficacy depended on microbial activity, leading the authors to conclude the material was not suitable for use in GLT systems.