Relationship between trophic component of different poplar strains and occurrence ofSaperda poplnea

An experimental area of poplar was established in Songyuan of Jilin Province in 1999 for testing the resistance of different poplar stains toSaperda poplnea. Incidence ofS. poplnea on ten poplar strains were investigated, and the main trophic component of branches of these poplar trees were measured...

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Bibliographic Details
Published in:Journal of forestry research 2001-12, Vol.12 (4), p.263-265
Main Authors: Chang-qi, Gao, Shou-hui, Sun, Xiao-guang, Ren, Li-wen, Song, Xiao-jun, Zhang, Wan-zhuo, Dai, Hui, Xiao, Cui-yun, Zhuang, De-guo, Yi, Zhen-yu, Zhu, Hai-bo, Ren
Format: Article
Language:English
Subjects:
Amino acids
Branches
Forestry
Moisture content
Nitrogen
Nutrient content
Poplar
Population number
Water content
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Summary:An experimental area of poplar was established in Songyuan of Jilin Province in 1999 for testing the resistance of different poplar stains toSaperda poplnea. Incidence ofS. poplnea on ten poplar strains were investigated, and the main trophic component of branches of these poplar trees were measured and analyzed in April 2001. The results showed that there existed significant difference in population size ofS. poplnea on different poplar strains, and the branches of these poplar strains have significant difference in nutrient component and content of amino acids. The population size of this pest had a significantly positive correlation with dissolvable total sugar and water content but had no significant correlation with content of total nitrogen and protein nitrogen.
ISSN:1007-662X
1993-0607
DOI:10.1007/BF02856720