Relationship between growth potential of pine,population density of Monochamus alternatus and pathogenicity of Bursaphlenchus xyloophilus

Abstract

Abstract: The results showed that the growth potential of pine (x) is negative related to the population density of Monochamus alternatus (y) and the pathoyenecity of Bursaphlenchus xyloophilus (z). But the population density of Monochamus alternatus is positively related to the pathogenicity of Bursaphlenchus xyloophilus. Three linear equations regression line were established as y=1793.771-16404.47x,z=31.80989-241.9274x, y=-407 611+70.51478z.Correlation coefficient is -0.8139,-0.8770 and +0.9864 respectively.

Key words: Pine growth potential, Monochamus alternatus, Population density, Pathogenicity, Bursaphlenchus xyloophilus, Correlation coefficient

CLC Number:

Q968.1

DING Yuzhou, L? Chuanhai, HAN Bing, POU Houping, WU Muling . Relationship between growth potential of pine,population density of Monochamus alternatus and pathogenicity of Bursaphlenchus xyloophilus[J]. Chinese Journal of Applied Ecology, 2001, (3): 351-354.

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Relationship between growth potential of pine,population density of Monochamus alternatus and pathogenicity of Bursaphlenchus xyloophilus

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