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Initial Report on the Relationship Between Pine Weevil Damage and Resin Yield in Pine Trees

Author:pine tree   pubData:2019/5/15 3:24:02

Abstract:
The Pine Weevil (Hylobitelus xiaoi) is an explosive pest of pine trees that has emerged in recent years, primarily affecting several species, including the Loblolly Pine (Pinus elliottii), Torch Pine (Pinus taeda), and Masson Pine (Pinus massoniana), with Loblolly Pine suffering the most severe damage. To clarify the relationship between the damage caused by the Pine Weevil and resin flow, the authors conducted a study on the changes in resin flow before and after the infestation of the Pine Weevil in these three species of pine trees: Loblolly Pine, Masson Pine, and Torch Pine. The results indicate that there are significant differences in total resin flow between infested and uninfested trees, with the most substantial variation observed in Masson Pine. Statistical tests show that the difference in resin flow between infested and uninfested Masson Pine is significant, while there is no significant difference in total resin flow between infested and uninfested Loblolly Pine and Torch Pine. The analysis of the temporal dynamics of resin flow in the above-mentioned pine species shows that resin flow peaks between x months and y months within the year, gradually declining thereafter, and begins to rise again after mid-v months. In terms of temporal dynamics of resin flow, the Pine Weevil has the most significant impact on Masson Pine resin flow, while its effect on the other two species is not obvious. Additionally, there are certain differences in resin flow and its temporal dynamics among different pine species, with Masson Pine exhibiting the highest resin flow.

Keywords: Pine Weevil, Loblolly Pine, Masson Pine, resin, damage

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