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构树幼苗对接种丛枝菌根真菌的生长响应
引用本文:何跃军,钟章成,刘济明,刘锦春,宋会兴,金静.构树幼苗对接种丛枝菌根真菌的生长响应[J].应用生态学报,2007,18(10):2209-2213.
作者姓名:何跃军  钟章成  刘济明  刘锦春  宋会兴  金静
作者单位:1. 贵州大学林学院,贵阳,550025;三峡库区生态环境教育部重点实验室,重庆,400715
2. 三峡库区生态环境教育部重点实验室,重庆,400715;西南大学生命科学学院,重庆,400715
3. 贵州大学林学院,贵阳,550025
摘    要:利用石灰岩适生植物构树进行菌根真菌摩西球囊霉(GM)、地表球囊霉(GV)和透光球囊霉(GD)的单独接种(SI)、混合接种(CI)和不接种(N)处理试验,测定了构树幼苗生长3个月后的形态及生长指标.结果表明:接种VA真菌促进了宿主构树的生长,单株地上部分、地下部分生物量和全株生物量等生长指标均较对照组显著提高,4种处理下构树幼苗生物量较对照提高了2.49~8.19倍,其中CI处理生物量最大,而单株叶片数目与对照组没有显著差异.不同接种处理的构树幼苗生长响应不同.在SI处理中,GD对构树幼苗生长效应最大,而CI处理较SI处理对构树幼苗的促进效应更加明显.CI处理中地径、苗高和总叶面积分别是对照组的1.5、2.2和6.0倍.各处理中根冠比最大的为CI(0.446).说明宿主植物与菌种存在一定的选择性.

关 键 词:VA真菌  构树  生长响应
文章编号:1001-9332(2007)10-2209-05
修稿时间:2007-01-04

Growth response of Broussonetia papyrifera seedlings to VA mycorrhizal fungi inoculation
HE Yue-jun,ZHONG Zhang-cheng,LIU Ji-ming,LIU Jin-chun,SONG Hui-xing,JIN Jing.Growth response of Broussonetia papyrifera seedlings to VA mycorrhizal fungi inoculation[J].Chinese Journal of Applied Ecology,2007,18(10):2209-2213.
Authors:HE Yue-jun  ZHONG Zhang-cheng  LIU Ji-ming  LIU Jin-chun  SONG Hui-xing  JIN Jing
Institution:College of Forest, Guizhou University, Guiyang 550025, China. hyj1358@163.com
Abstract:In an experiment with single inoculation(SI)and co-inoculation(CI)of three VA mycorrhizal fungi,i.e.,Glomus mosseea(GM),Glomus versiforme(GV)and Glomus diaphanum(GD),the growth response of Broussonetia papyrifera seedlings in limestone area was studied.The results showed that after 3 months of growth,the aboveground-,underground-,and total biomass were increased significantly by the inoculation,being 2.49-8.19 times as much as the control.Treatment CI had the highest biomass,but the leaf number had little difference with the control.In SI,GD inoculation had the greatest effect;and CI was more effective than SI.The ground diameter,height,and total leaf area in CI were 1.5,2.2,and 6.0 times as much as those in CK,respectively,and the root/shoot ratio in CI was the highest(0.446).There existed an interactive selection between host plants and VA mycorrhizal fungi.
Keywords:VA fungi  Broussonetia papyrifera  growth response
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