Southern Research Station

Title: Hot Water and Copper Coatings in Reused Containers Decrease Inoculum of Fusarium and Cylindrocarpon and Increase Douglas Fir Seedling Growth

Author: Dumroese, R. Kasten; James, Robert L.; Wenny, David L.

Date: 2002

Source: Hortscience 37(6):943–947. 2002.

Description: Inoculum of Douglas fir root diseases caused by the fungi Fusarium and Cylindrocarpon is carried from crop to crop in reused containers. Soaking containers for 90 seconds in 80 °C water removed ~99% of Fusarium and 100% of Cylindrocarpon inoculum between growing cycles. Overall seedling growth was also improved: seedlings grown in containers soaked between growing cycles were 10% taller and had 20% more biomass than seedlings grown in nonsoaked containers. We obtained a 13% increase in the number of deliverable seedlings from containers soaked in hot water between crops, from the use of copper coated containers, or from both practices combined.

Keywords: root disease, integrated pest management, fungicide, Pseudotsuga menziesii

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Citation

Dumroese, R. Kasten; James, Robert L.; Wenny, David L.  2002.  Hot Water and Copper Coatings in Reused Containers Decrease Inoculum of Fusarium and Cylindrocarpon and Increase Douglas Fir Seedling Growth.   Hortscience 37(6):943–947. 2002.