接种AM菌对麻楝不同种源苗期的生长效应

doi:10.11707/j.1001-7488.20110511

林业科学 ›› 2011, Vol. 47 ›› Issue (5): 76-81.doi: 10.11707/j.1001-7488.20110511

接种AM菌对麻楝不同种源苗期的生长效应

陈羽, 姜清彬, 仲崇禄, 张勇, 陈珍

中国林业科学研究院热带林业研究所广州510520

收稿日期:2010-09-14 修回日期:2010-12-24 出版日期:2011-05-25 发布日期:2011-05-25
通讯作者: 仲崇禄

Effects of Arbuscular Mycorrhizal Fungi on Seedling Growth of Chukrasia tabularis

Chen Yu, Jiang Qingbin, Zhong Chonglu, Zhang Yong, Chen Zhen

Research Institute of Tropical Forestry, Chinese Academy of Forestry Guangzhou 510520

Received:2010-09-14 Revised:2010-12-24 Online:2011-05-25 Published:2011-05-25

摘要/Abstract

摘要：

研究接种3个AM菌株对5个种源麻楝幼苗生长的影响,结果表明: 菌株90068×种源CH01菌根感染率为96.3%,感染率分级为5,菌根依赖性中等; 菌株90068×种源CH27在生长生物量方面作用显著; 麻楝幼苗接种5至6个月后,菌株90068×种源CH01生长促进作用显著增强; 矿质元素吸收方面,菌株90068×种源CH13对磷元素的吸收显著高于其他接种处理。此外,菌株90036与菌株9004在接种后幼苗测定的各项指标中表现各有优劣。其中菌根合成、生物量和苗高增长方面,菌株9004优于菌株90036; 而对于矿质元素的吸收,菌株90036要优于菌株9004。综合比较而言,供试菌株90068表现较优,为对5个种源麻楝幼苗生长效应最佳的菌株。

关键词: 麻楝, AM菌, 矿质营养, 生长效应

Abstract:

Three arbuscular mycorrhizal fungi (AM) isolates were used to inoculate Chukrasia tabularis seedlings of five provenances to investigate the effect of three AM isolates on C. tabularis seedling growth. The results showed that: the mycorrhizal colonization rate was 96.3%, belonging to classification class 5 and with intermediate dependency. There was significant association between mycorrhizal isolate 90068 and provenance CH01. The most significant seedling growth was achieved in provenance CH01 colonized with mycorrhizal isolate 90068 in 5-6 months. Mycorrhizal association between isolate 90068 and provenance CH13 significantly resulted in P uptake more than all other colonization combination. Isolate 9004 produced better mycorrhizal colonization, greater seedling biomass and height than isolate 90036 did, while, isolate 90036 resulted in a better nutrient uptake. Based on these results, isolate 90068 was selected as optimum AM isolate for seedlings of the five provenances.

Key words: Chukrasia tabularis, AM fungi, nutrient uptake, growth improvement

中图分类号:

S718.81

陈羽;姜清彬;仲崇禄;张勇;陈珍. 接种AM菌对麻楝不同种源苗期的生长效应[J]. 林业科学, 2011, 47(5): 76-81.

Chen Yu;Jiang Qingbin;Zhong Chonglu;Zhang Yong;Chen Zhen. Effects of Arbuscular Mycorrhizal Fungi on Seedling Growth of Chukrasia tabularis[J]. Scientia Silvae Sinicae, 2011, 47(5): 76-81.

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接种AM菌对麻楝不同种源苗期的生长效应

Effects of Arbuscular Mycorrhizal Fungi on Seedling Growth of Chukrasia tabularis

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