Title: HOW to and Control Diplodia Shoot Blight, Collar Rot, and Canker of Conifers
Author: Palmer, Marguerita A.; Nicholls, Thomas H.;
Source: HT-60. [Broomall, PA]: U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
Publication Series: How-To Leaflets (HT)
Description: The fungus Diplodia pinea is worldwide in distribution and importance. In North America, Diplodia causes shoot blight and stem canker of conifers in plantations, windbreaks, and ornamental plantings. Most conifers are susceptible to infection, especially exotic species such as Austrian pine. In the north-central United States, the most common hosts are red, jack, Scotch, and Austrian pine. Diplodia usually attacks trees stressed by one or more of the following factors: poor site, drought, hail damage, snow damage, mechanical wounds, and insect activity.
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Palmer, Marguerita A.; Nicholls, Thomas H. 1983. HOW to and Control Diplodia Shoot Blight, Collar Rot, and Canker of Conifers. HT-60. [Broomall, PA]: U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
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