Science Into Practice - Reducing losses in conifer dieback
05 Aug 2011 | by HDC
Conifer growers have reported root rot and die-back problems for many years. Species of Phytophthora, and to a lesser extent species of Pythium, are recognised causes.
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Growers and researchers are well aware of the need to use water efficiently (HW, 20 May, 9 September and 11 November 2011). The present research examined how to deploy a limited number of moisture sensors to predict the substrate water content of a large number of containerised trees.
Conifer growers have reported root rot and die-back problems for many years. Species of Phytophthora, and to a lesser extent species of Pythium, are recognised causes.
There is still some confusion about how best to cultivate young trees.
In 2009, the value of field-grown ornamental and amenity trees in England was around £19.8m. Several varieties are susceptible to the soil-borne fungal disease Verticillium wilt, notable examples being some species of Acer, Tilia, Fraxinus and Catalpa.



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