车八岭苗圃三种国家二级保护植物的菌根研究
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教育部留学回国人员科研启动基金,广东省博士启动基金,,940697,,


Mycorrhizas of Three Species of China''''s Protected Plants at Chebaling''''s Nursery
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    摘要:

    报道了广东省车八岭国家级自然保护区苗圃中观光木(Tsoongiodendron odorum)、伞花木(Eurycormbus cavaleriei)和伯乐树(Bretschniedera sinensis)等3种国家二级保护苗木的菌根特点和根际土VA菌根孢子的主要类型。结果显示,3种植物均可与真全枝-泡囊型菌根(vesicular-arbuscular mycorrhiza),菌根感染率分别为8

    Abstract:

    Root morphology and mycorrhizas of the 3 year old saplings of Tsoongiodendron odorum, Bretschneidera sinensis, and Eurycormbus cavaleriei at the nursery of Chebaling National Nature Reserve were studied. Three species could form vesicular arbuscular mycorrhizas. Their infection rates were 84.4%, 81.1%,55.6%, respectively. These species are different in root morphology, but all of them do not have root hair, which may indicate their high dependence on mycorrhiza. The VAF spore density was low in the soil of the study site. One spore type was isolated from the soil of Eurycormbus cavaleriei and two types were from that of Bretschneidera sinensis . Further study on the ecology of the mycorrhizas of these protected species is of importance in conservation and development of these rare plants.

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黄久香,庄雪影.车八岭苗圃三种国家二级保护植物的菌根研究[J].华南农业大学学报,2000,(2):38-41

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