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林业资源管理 ›› 2009, Vol. 0 ›› Issue (6): 113-115.

• 科学技术 • 上一篇    下一篇

云南松针叶的耐火性模型研建

李世友, 刘文胜, 左勇, 刘会龙, 赵文静, 刘金龙   

  1. 西南林学院 保护生物学学院,昆明 650224
  • 收稿日期:2009-09-02 修回日期:2009-10-14 出版日期:2009-12-28 发布日期:2020-12-18
  • 作者简介:李世友(1971-),男,湖北麻城人,副教授,从事森林防火研究。
  • 基金资助:
    云南省森林灾害预警与控制重点实验室开放基金项目(ZK09A208);昆明市科技局重点项目(06H114135);云南省重点学科——森林保护学(XKZ200905)

Modeling on Fire Resistance of Pinus yunnanensis Needles

LI Shiyou, LIU Wensheng, ZUO Yong, LIU Huilong, ZHAO Wenjing, LIU Jinlong   

  1. Faculty of Conservation Biology, Southwest Forestry College, Kunming 650224, China
  • Received:2009-09-02 Revised:2009-10-14 Online:2009-12-28 Published:2020-12-18

摘要: 用自行设计的装置对云南松针叶进行了耐火性试验,根据在1%红四氮唑溶液中浸泡后基部的颜色判别针叶的死活,计算了针叶在不同试验条件下的死亡率,建立了云南松针叶死亡率与平均叶长、受热时间、受热温度的关系模型。分析表明,影响云南松针叶耐火性的因子依次为受热温度>受热时间>平均叶长,宿存叶鞘对针叶有一定的保护作用。

关键词: 云南松, 针叶, 耐火性, 红四氮唑

Abstract: Fire resistance experimentations of the needles of P. yunnanensis were tested during the highly dangerous period of forest fire in 2009 with experimental equipment designed by the authors. Discrimination post-heated mortality based on the colors of needles soaked with 1% 2,3,5-triphenyltetrazolium chloride(TTC) solution, and the mortality rate was accounted. The mortality rate model of needles was established. The results showed that the main factors influencing fire resistance of the needles were arranged in order of temperature, heating time, average length of needles, and sheath could protect needles under high temperature.

Key words: Pinus yunnanensis, needle, fire resistance, 2, 3, 5-triphenyltetrazolium chloride (TTC)

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