Identification and origin of plant pathogenic microorganisms in recirculating nutrient solutions

Details Identification and origin of plant pathogenic microorganisms in recirculating nutrient solutions Identification and origin of plant pathogenic microorganisms in recirculating nutrient solutions

Nov 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14..349s&link_type=abstract

Advances in Space Research, Volume 14, Issue 11, p. 349-355.

Physics

Scientific paper

Avoidance of root-infecting microorganisms was originally considered one of the advantages of cultivation of crops in a soilless, recirculating nutrient solution. However, to date, four viral, three bacterial and 21 fungal pathogens have been identified as causal agents of root disease in hydroponically-grown crops. Root-infecting fungi, particularly those which produce a motile stage known as a zoospore, have been the primary pathogens associated with extensive crop losses. Documented sources of these root pathogens in hydroponic systems include peat, surface water such as rivers and streams, and insects. The severity of disease caused by these introduced root pathogens is primarily governed by the genetic susceptibility of each crop and the temperature of the recirculating nutrient solution.

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