Chemical inducing agent used for attracting reproduction type pinewood Nematoda

Abstract

A chemical attractant for the reproduction type pine nematode is composed of component A (alpha-pinene), component B (beta-pinene) and optional component C (longifdene) in weight ratio of (27-90): (9-73): (1-5).

Description

technical field [0001] The invention relates to a chemical attractant for trapping pine xylophilus, in particular to a chemical attractant for trapping and breeding pine wood nematode. Background technique [0002] Pine wood nematode disease, commonly known as "cancer" of pine trees, once a pine tree is infected with this disease, it will die in as long as half a year and as short as two months. Since the disease was first discovered near Sun Yat-sen Mausoleum in Nanjing, my country in 1982, it has spread to more than 10 provinces and cities including Jiangsu, Anhui, Guangdong, Guangxi, Zhejiang, Fujian, Shanghai, Chongqing, Hubei, Shandong, and 86 counties and cities. The area reaches 1.26 million mu, posing a serious threat to the 500 million mu of pine forest in the south. And the scope is still expanding year by year. More than 6 million pine trees are killed every year, causing direct economic losses of 2.5 billion yuan and indirect losses of 25 billion yuan (statistic...

AI Technical Summary

Problems solved by technology

Not only is it time-consuming, but if the sample contains few nematodes, it is likely that a representative amount of nematodes will not be obtained

In forest land, the determination of pine wood nematode diseased trees adopts the drilling glue flow method. Since there are many factors that cause tree vigor to weaken, the accuracy of disease determination is poor, and it is impossible to detect latent diseases that have not yet shown the phenomenon of resin outflow obstruction.