A kind of silvicultural control method of tree plantation tree borer pest

Abstract

The present invention relates to the technical field of forest management, in particular to a method for forest management of tree-boring pests in Gemu artificial forest. The fast-growing tree species Eucalyptus and the precious tree species lattice wood are used to build a mixed forest of the same age, and the block-shaped mixed pattern is constructed to directionally regulate the lighting conditions inside the stand by referring to the gap theory, so as to balance the relationship between lattice tree growth and insect pests. Use eucalyptus to build forest windows to create a suitable shady environment. When the wood grows under the canopy, the incidence of insect pests is reduced by more than 50%, and the growth of the wood is increased by about 15%; the fast-growing tree species eucalyptus can be cut down in 6-8 years. , improve the short-term economic income per unit area, and realize the operation mode of precious tree species with short-term cultivation and long-term growth.

Description

technical field [0001] The invention relates to the technical field of forest tree management, in particular to a forest management method for tree plantation tree borer pests. Background technique [0002] Gemu ( Erythrophleum fordii Oliver) Caesalpiniaceae (Caesalpiniaceae) Erythrophleum (Erythrophleum) evergreen broad-leaved tree species, also known as iron wood (Guangxi), red leaf wood (China Taiwan), is a national second-level key protected wild plant, precious timber tree species, natural forests are mainly distributed in 16º In the range of ~24ºN, it mainly includes Zhejiang, Fujian, Taiwan, Guangxi, Guangdong and other places in China, as well as northern Vietnam. Gemu plantation has developed rapidly, and the planting area has gradually expanded. The artificial planting area has expanded to central Fujian, northern Guangdong and Guangxi, Hainan, Guizhou and southern Yunnan. [0003] The heart and sapwood of lattice wood are clearly distinguished, the wood has hig...

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Problems solved by technology

[0006] Illumination conditions also play an important role in regulating the mating, reproduction, development and behavior of insects. The shoot borer pest is extremely sensitive to light conditions, and shading has an important effect on the shoot borer pest Borer sativa ( Hypsipyla robusta ) has an inhibitory effect on growth and development, but when the light is low, although insect pests are effectively controlled, the growth of forest trees is also severely inhibited

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