Dothistroma pini is a needle blight that affects the health and growth of pine trees. Each summer, affected forests around New Zealand are aerially sprayed with a copper fungicide to control the disease. The Dothistroma Control Committee (DCC), a subcommittee of the NZ Forest Owners Association Inc (NZFOA), coordinates this spray programme on behalf of all forest owners. The Committee is concerned that forest owners or managers of small blocks may overlook the presence of the disease in their forests until serious damage to the stands has occurred. In addition, untreated stands create a source of infection to neighbouring forests. (no keywords)
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