The forest pest and disease study reflect the forest pest and disease disaster index by the quarantine importance,the harm degree,the area,the forest type four aspects through the model,then definite disaster rank.
When being equipped with the petrel 650B motor glider,the HU2 HW1 spraying equipment of ultra low volume (ULV) and the NT100 Global Positioning System (GPS) were first applied in the forest region in Wuming County,Guangxi,for control of forest pest and disease there.
Based on the sustainable management to forest pest the reasonable utilization strategies of transgenic insect-resistant plant, ecological security research, gene alternation, ecological conformity, barrier protection effect and genetic diversity protection were put forward.
This species is an economically important forest pest in Europe since the adults feed on the stem bark of newly planted conifer seedlings.
The mahogany shoot borer, Hypsipyla grandella, is one of the most economically important Neotropical forest pest insects because it attacks valuable timber of the Meliaceae.
The traditional, single-species approach to forest pest management is considered in light of the range of ecological strategies respresented in forest arthropod communities.
In the course of the centuries it was regarded as a valuable timber tree by European foresters; subsequently, as a useful non-timber species in forestry, a forest pest, a controllable weed and, eventually, as a species we have to live with.
Evolving Management Strategies for a Recently Discovered Exotic Forest Pest: The Pine Shoot Beetle, Tomicus Piniperda (Coleopter