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引用本文:毛祥忠, 唐绍荣, 杨 斌, 赵 宁.六种阔叶树种叶片水浸提液对云南松种子萌发生长的化感作用[J].广西植物,2021,41(9):1516-1523.[点击复制]
MAO Xiangzhong, TANG Shaorong, YANG Bin, ZHAO Ning.Allelopathic effects of water extracts from leaves of six different broad-leaved tree species on seed germination and seedling growth of Pinus yunnanensis[J].Guihaia,2021,41(9):1516-1523.[点击复制]
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六种阔叶树种叶片水浸提液对云南松种子萌发生长的化感作用
毛祥忠1, 唐绍荣2, 杨 斌3, 赵 宁1,3*
1. 西南林业大学 生命科学学院, 昆明 650224;2. 弥渡县林业有害生物防治检疫局, 云南 大理 675600;3. 云南省森林灾害预警与控制重点实验室, 西南林业大学, 昆明 650224
摘要:
为了筛选营建云南松抗虫混交林的树种,该研究观察了云南切梢小蠹非寄主植物川滇桤木、缅桂、滇朴、樟树、麻栎和山茶六种阔叶树种叶片不同浓度的水浸提液对云南松种子萌发及幼苗生长的化感作用。结果表明:(1)川滇桤木、滇朴、麻栎和山茶四种阔叶树种叶片的水浸提液对云南松种子萌发和幼苗生长表现出低浓度促进,高浓度抑制效应。(2)在测试浓度范围内,樟树和缅桂叶片水浸提液对云南松种子萌发和幼苗生长存在抑制作用。综上所述,六种阔叶树种对云南松的化感作用敏感性不同,低浓度范围内的川滇桤木、滇朴、麻栎和山茶树叶片水浸提液对云南松生长表现出促进作用,樟树和缅桂叶片水浸提液对云南松生长具有抑制作用。因此,结合营林技术,可选用川滇桤木、滇朴、麻栎等阔叶树种与云南松混交,营建云南松抗虫混交林。
关键词:  浸提液, 化感作用, 云南松, 种子萌发, 幼苗生长
DOI:10.11931/guihaia.gxzw202002032
分类号:Q945
文章编号:1000-3142(2021)09-1516-08
基金项目:国家自然科学基金(31760210)[Supported by the National Natural Science Foundation of China(31760210)] 。
Allelopathic effects of water extracts from leaves of six different broad-leaved tree species on seed germination and seedling growth of Pinus yunnanensis
MAO Xiangzhong1, TANG Shaorong2, YANG Bin3, ZHAO Ning1,3*
1. Yunnan Provincial Key Laboratory of Forest Biotechnology, Southwest Forestry University, Kunming 650224, China;2. Midu County Bureau of Forestry Pest Control and Quarantine, Dali 675600, Yunnan, China;3. Key Laboratory of Forest Disaster Warning and Control in Yunnan Province, Southwest Forestry University, Kunming 650224, China 1. Yunnan Provincial Key Laboratory of Forest Biotechnology, Southwest Forestry University, Kunming 650224, China; 2. Midu County Bureau of Forestry Pest Control and Quarantine, Dali 675600, Yunnan, China; 3. Key Laboratory of Forest Disaster Warning and Control in Yunnan Province, Southwest Forestry University, Kunming 650224, China
Abstract:
This study observed the allelopathic effects of different concentrations of water extracts from the leaves of six broad-leaved tree species on the seed germination and seedling growth of Pinus yunnanensis, which can be used as potential tree species for the construction of P. yunnanensis hybrid forest. The six broad-leaved tree species were Alnus ferdinandi-coburgii, Quercus acutissima, Celtis kunmingensis, Cinnamomum camphora, Michelia×alba and Camellia japonica. The results were as follows:(1)Water extracts from the leaves of four broad-leaved tree species, namely Alnus ferdinandi-coburgii, Quercus acutissima, Celtis kunmingensis and Camellia japonica had promoting effects on seed germination and seedling growth of Pinus yunnanensis when at low concentrations, but showed inhibitory effects on them at high concentrations.(2)In the tested concentrations, the water extracts from leaves of Michelia×alba and Cinnamomum camphora had exhibited inhibitory effects on seed germination and seedling growth of Pinus yunnanensis. In conclusion, six species of broad-leaved trees reflected different sensitivities to allelopathic effects of P. yunnanensis. At low concentrations, water extracts from leaves of Alnus ferdinandi-coburgii, Quercus acutissima, Celtis kunmingensis and Camellia japonica had promoting effects on the growth of Pinus yunnanensis, while water extracts from leaves of Michelia×alba and Cinnamomum camphora had inhibiting effects. Thus, in combination with silviculture techniques, Alnus ferdinandi-coburgii, Quercus acutissima, Celtis kunmingensis can be selected to construct Pinus yunnanensis insect-resistant mixed forest.
Key words:  extract, allelopathic effect, Pinus yunnanensis, seed germination, seedling growth
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