2013 Annual Report
Pre and post-emergent activity of MBI 005 bioherbicide was evaluated in replicated, repeated greenhouse experiments during late fall 2012 to spring 2013. This study was conducted to test activity of MBI 005 bioherbicide on yellow nutsedge (Cyperus esculentus) and endemic weed populations from an organic cut flower/vegetable production field. This study also evaluated phytotoxicity of MBI 005 on snapdragon (Antirrhinum majus), romaine lettuce (Lactuca sativa), and tomato (Lycopersicon esculentum). Treatments included: control (no bioherbicide), pre-emergent application (pre-plant incorporated), post-emergent application (simulated drip), and a combination of pre and post-emergent applications. Analysis of data from these studies is ongoing and will be used to design future studies, including a field study of MBI 005 use in cut flower production. Initial results suggest that MBI 005 improved control of a number of weed species compared to an untreated control.