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Resistance of different tomato varieties to root death caused by Phytophthora sp. in nutrient film technique (NFT) and the effect of disinfection prior to planting



Resistance of different tomato varieties to root death caused by Phytophthora sp. in nutrient film technique (NFT) and the effect of disinfection prior to planting



Proceedings, Fifth International Congress on Soilless Culture: 229-239



Trials were performed in NFT systems disinfected or not after 3 years cropping had resulted in a natural build-up of Phytophthora spp. Eighteen tomato cvs were tested for resistance to root death. They were classified into 4 groups: (1) highly susceptible, (2) susceptible, (3) less susceptible or (4) resistant, with the respective yields from the unsterilized treatment <20%, 20-40%, 40-80% or >80% of the yields in the disinfected treatments.

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Accession: 000969796

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