Enhanced activity of introduced biocontrol agents in solarized soils and its implications on the integrated control of tomato damping-off caused by Pythium spp
作者： J. Jayaraj , N. V. Radhakrishnan
DOI: 10.1007/S11104-008-9539-Y
关键词:
摘要: Soil solarization in combination with introduction of biocontrol agents (BCA) was evaluated as a potential disease management strategy for tomato damping-off caused by Pythium spp. A rifampicin resistant Pseudomonas fluorescens strain (PfT-8) and carbendazim Trichoderma harzianum (ThM-1) were introduced into soil following solarization. Tomato seeds planted treated field plots. The influence application on incidence, plant biomass, rhizosphere population antagonists, native assessed two consecutive trials. Damping-off incidence significantly reduced solarized plots compared to control. inoculation resulted the highest suppression (PfT-8 up 92%; ThM-1 83%), increase biomass 66%; 48%) when un-solarized control Rhizosphere gradually increased 102% 84%) soils unsolarized spp 55% plots; whereas, BCA 86 82% P. T. applied respectively.
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