Bio-inoculant formulations for enhanced seedling emergence and pasture growth
DOI:
https://doi.org/10.33584/rps.14.2008.3173Abstract
Soil-borne damping-off diseases are a major constraint limiting pasture seedling emergence and yield. Large scale laboratory and glasshouse screening of beneficial micro-organisms against several host/pathogen systems was conducted to identify efficient bio-control and growthpromoting microbes. This was followed by field-testing of the best microbes and their formulations for efficient application techniques. The research identified a number of fungal (Trichoderma spp.) and bacterial (Paenibacillus spp.) isolates which suppressed damping-off diseases and promoted plant growth of various pasture species. Preliminary field-trials with granule and seed-coat formulations confirmed the glasshouse results. Intensive research trials with a mix of four T. atroviride isolates, providing growth promotion and disease control activity, led to the development of a prototype pasture seed additive product. Keywords: damping-off diseases, Paenibacillus spp., seed-coating, Trichoderma spp.
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