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目 录
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1 某某市地理及森林资源概况........................................... 3 copyright paper51.com
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1.1地理位置........................................................ 3
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1.2森林资源...................................................... 3
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2 云南松的天敌—松墨天牛............................................. 4 paper51.com
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2.1松墨天牛的生物学特性........................................... 4
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2.2松墨天牛对云南松的危害......................................... 5 copyright paper51.com
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3 松树癌症— 松材线虫................................................ 6
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3.1松材线虫...................................................... 6
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3.2松材线虫的传播................................................ 6
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3.3潜在的松树癌症................................................ 7
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4 松墨天牛虫害的防治对策............................................. 7 内容来自www.paper51.com
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4.1预防为主,加强监测............................................. 7
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4.2清理病虫树木,防止虫害蔓延..................................... 8 内容来自论文无忧网 www.paper51.com
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4.3抓住时机,灭杀松墨天牛......................................... 8 内容来自论文无忧网 www.paper51.com
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4.3.1 化学杀虫.................................................. 8
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4.3.2 物理诱捕.................................................. 8 内容来自论文无忧网 www.paper51.com
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4.3.3 生物灭杀.................................................. 9
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4.4营造混交林,改善松林环境....................................... 9
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参考文献........................................................... 10
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致谢:............................................................. 11 内容来自论文无忧网 www.paper51.com
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1 某某市地理及森林资源概况
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1.1 地理位置
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某某地处滇中(东经101°16’-103°09’、北 copyright paper51.com
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纬23°19’-24°53’ )。北与昆明市相连,距省会
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昆明86km;西南与“茶叶之乡”普洱市接壤,
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东南与红河哈尼族彝族自治州毗邻,西北背靠
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楚雄彝族自治州,总面积15285km2。其中,红
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塔区、江川、澄江、通海等4县(区)是坝区
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县,面积共3348km2,占总面积的21.9%;华宁、易门两县是半山区县,面积共2888 km2,占总面积的18.9%;峨山、新平、元江3县是山区县,面积共9053 km2,占总面积的59.2%。 copyright paper51.com
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