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'''槲树'''

[[File:槲树1.jpg|缩略图|左|槲树[http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=1470730021,3572201206&os=1955348687,553682158&simid=3360717688,311175787&pn=4&rn=1&di=330&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fs6.sinaimg.cn%2Fmw690%2F006Tar9yzy7gKhwNqpT85%26690&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图链接][http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=1470730021,3572201206&os=1955348687,553682158&simid=3360717688,311175787&pn=4&rn=1&di=330&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fs6.sinaimg.cn%2Fmw690%2F006Tar9yzy7gKhwNqpT85%26690&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]
本词条由“[[科普中国]]”科学百科词条编写与应用工作项目 审核 。

檞树([[Quercus detata Thunb]])为乔木,高达20m,胸径可达 0.9m。树冠椭圆形,小枝粗壮,密生黄褐色绒毛。叶倒卵形,长达 15~25cm,叶缘具波状裂片,密生绒毛。花期5月,果熟期 10 月。槲树耐寒冷、耐干旱、耐火力,还耐病害和风害,尤其耐烟尘。常作为工厂、矿区、景点及庭院绿化,可群植和孤植,具有很高的应用价值。

==形态特征==

落叶乔木,高达20~25米,胸径1米。树冠椭圆形,小枝粗壮,有沟棱,密生灰黄色绒毛。单叶互生,叶大,倒卵形或倒卵状椭圆形,先端短钝,基部耳形或楔形,缘有不规则波状裂片,背面密生褐色星状毛,叶柄短,总苞之鳞片披针形并反曲。花期5月,果熟期10月。

==地理分布==

产于我国[[东北东部]]及[[南部]]、[[华北]]、[[西北]]、[[华东]]、[[华中]]及[[西南]]各地。[[朝鲜]]、[[日本]]也有分布。 <ref>[蒋永明,翁智林编著.,园林绿化树种手册 (第二版):上海科学技术出版社,2006.7:第49页]</ref>
[[File:槲树2.jpg|缩略图|槲树[http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=2064816645,49231454&os=682769943,1707891897&simid=3092843560,3872607430&pn=12&rn=1&di=11110&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fs1.sinaimg.cn%2Fbmiddle%2F510e58a4448c117227110&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图链接][http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=2064816645,49231454&os=682769943,1707891897&simid=3092843560,3872607430&pn=12&rn=1&di=11110&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fs1.sinaimg.cn%2Fbmiddle%2F510e58a4448c117227110&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]


==生态习性==

喜光、稍耐阴,耐寒,耐旱。对土壤要求不严,在酸性土、钙质土及轻度石灰性土上均能生长。深根性,萌芽力强,抗风力强,耐火力强,生长速度中等。抗烟尘及有害气体。

==主要价值==

[[File:槲树3.jpg|缩略图|左|槲树[http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=2090502248,216223236&os=1509123411,2248316744&simid=3444011193,447498691&pn=15&rn=1&di=5390&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fa0.att.hudong.com%2F77%2F92%2F01200000025797136323921186552_s.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图链接][http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=2090502248,216223236&os=1509123411,2248316744&simid=3444011193,447498691&pn=15&rn=1&di=5390&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fa0.att.hudong.com%2F77%2F92%2F01200000025797136323921186552_s.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]
槲树树姿粗犷、抗烟尘及有害气体,可作为园林绿化、工厂绿化及四旁绿化树种。

木材坚实耐磨,可供桩柱、枕木、地板、门窗、农具等用。叶可饲养柞蚕,种仁可酿酒,壳斗、树皮可提制栲胶。

==栽培技术==

===橡果采收处理===

橡果采收9月底至10月上旬,当少量橡果从树上自然掉落时,表明橡果已充分成熟,应及时采摘。也可随时拣起落地的橡果。

种子处理将橡果按4~5cm厚度平铺于地表,常翻动,使种壳与种子分离。将种子倒入冷水中,去除浮于表面的种子和被蛀的果实,捞出沉于容器底部的饱满种子。用2~3倍体积的湿沙与橡种充分混拌,装入袋内,放于阴凉处临时贮藏,此期种子不可干燥,同时也应注意防止鼠害和畜害。
[[File:槲树5.jpg|缩略图|槲树[http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=3992743558,2848470010&os=1561792933,165311060&simid=3315238089,56629572&pn=17&rn=1&di=9130&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fs7.sinaimg.cn%2Fmw690%2F006Tar9yzy7gKhvRCSi66%26690&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图链接][http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=3992743558,2848470010&os=1561792933,165311060&simid=3315238089,56629572&pn=17&rn=1&di=9130&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fs7.sinaimg.cn%2Fmw690%2F006Tar9yzy7gKhvRCSi66%26690&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]


===作床、起垄===

整地施肥10月下旬、11月上旬或3月底4月中旬,选沙壤土至重壤质高岗平地或缓坡地,清除杂物,地表撒施畜、禽厩肥,每亩(667m2,下同)施肥量为2000~3000kg,施肥后翻地20cm深,打碎土块,平整地面。

作床或起垄平地以作床为主,按长25~30m、宽1.1~1.2m、高0.15~0.2m作床。坡地沿等高线起垄,其垄距为0.6~0.7m,垄高为0.15~0.2m。 <ref>[https://baike.baidu.com/reference/8234617/171eKwAaoaWsz7h4JGQK1W5dajM5x0sqOfoJY6u41wZXmChQTWe5fi5y9Z_96nr8ISHM4Fxnqxb71R0F0mQU-ySFmM47dg3-P6lhpc3Wb61-PtyTG28JipwRocF-XLphlcmZAv6mqmoU3eq1wrhuWElQ0kV2YtCpdjhVANIrMoLJ | 中国知网 ,引用日期2019-10-23] </ref>

===播种===

[[File:槲树8.jpg|缩略图|左|槲树[http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=3974546750,4064549215&os=4042079678,3906458130&simid=0,0&pn=44&rn=1&di=25190&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fthumbs.dreamstime.com%2Fb%2F%25E9%2581%2597%25E4%25BA%25A7%25E6%25A0%2591%25EF%25BC%258C%25E6%25B5%25B7%25E5%25B2%25B8%25E6%25A7%25B2%25E6%25A0%2591%25EF%25BC%258C%25E6%25A6%2595%25E5%25B1%259Eagrifolia-81295924.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图链接][http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=3974546750,4064549215&os=4042079678,3906458130&simid=0,0&pn=44&rn=1&di=25190&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fthumbs.dreamstime.com%2Fb%2F%25E9%2581%2597%25E4%25BA%25A7%25E6%25A0%2591%25EF%25BC%258C%25E6%25B5%25B7%25E5%25B2%25B8%25E6%25A7%25B2%25E6%25A0%2591%25EF%25BC%258C%25E6%25A6%2595%25E5%25B1%259Eagrifolia-81295924.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]
秋播11月初在土壤结冻前,顺床向每隔0.2m开一深为4~5cm的浅沟。垄播的推平垄尖,在垄面上顺垄面开两条深为5cm的沟,两沟相距10~12cm。向沟内浇足水,待水下渗后,立即向沟内点播种子,种距6~8cm,盖土厚4~5cm,播种量为每亩40~50kg。

春播春播前需对种子进行长期低温沙藏,10月底将种子连同沙子放入1~5℃的菜窖或山洞等场所,一直藏至翌年4月,在此期间应随时检查,调整沙子的含水量。翌年4月当种子发芽率达30%左右时,即可一次性播种。春播适期为4月上中旬,播种方法同秋播。

===播种后的管理===

除草5月至9月上旬,除草4~5次,确保床、垄面无草害。垄播的,每次铲地后应用犁复垄。

==参考文献==

===移植和管理===

移植第2年4月上中旬,将上一年播种苗挖出栽植于平地或坡地垄上,垄距为60cm。植苗前需对根系进行断根,保留主根长15~20cm。按30cm的株距植苗,第3年春季按60cm的株距留苗,余者挖出,按60cm×50cm株、行距植苗。第4~5年4月份,再按1.2m×1.2m的株、行距留苗、挖苗和植苗。再经2~3年的生长,当苗木株高达到2m、胸径达到3cm以上时即可出圃。

其他管理移植后4~7年内,按常规管理,及时进行中耕除草、追肥及修剪等作业。
[[File:槲树9.jpg|缩略图|槲树[http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=3753619360,1667818421&os=1485273837,2114078122&simid=3322043780,115279628&pn=50&rn=1&di=23870&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fa4.att.hudong.com%2F25%2F19%2F01300000180919121817197091506_s.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 原图链接][http://image.baidu.com/search/detail?ct=503316480&z=undefined&tn=baiduimagedetail&ipn=d&word=%E6%A7%B2%E6%A0%91%E5%9B%BE%E7%89%87&step_word=&ie=utf-8&in=&cl=2&lm=-1&st=undefined&hd=undefined&latest=undefined&copyright=undefined&cs=3753619360,1667818421&os=1485273837,2114078122&simid=3322043780,115279628&pn=50&rn=1&di=23870&ln=351&fr=&fmq=1594282930812_R&fm=&ic=undefined&s=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&is=0,0&istype=0&ist=&jit=&bdtype=0&spn=0&pi=0&gsm=0&hs=2&objurl=http%3A%2F%2Fa4.att.hudong.com%2F25%2F19%2F01300000180919121817197091506_s.jpg&rpstart=0&rpnum=0&adpicid=0&force=undefined 图片来源百度网]]]
==参考文献==
{{Reflist}}
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