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当前位置: 首页 > 文章 > 互叶白千层扦插苗质量评价及分级标准 四川林业科技 2020 (1) 56-60
Position: Home > Articles > Quality Evaluation and Classification Standards of Cuttage Seedlings of Melaleuca leucadendron L. Journal of Sichuan Forestry Science and Technology 2020 (1) 56-60

互叶白千层扦插苗质量评价及分级标准

作  者：
文伟业;刘芙蓉;罗建勋;王海峰;魏新强
单  位：
成都师范学院化学与生命科学学院;四川艾朗特生物科技有限公司;四川省林业科学研究院
关键词：
互叶白千层;扦插苗;主成分分析;苗木分级
摘  要：
对四川犍为地区引种栽培的互叶白千层扦插苗进行抽样调查,采用相关性分析、"x±s"法和主成分分析法对其苗木质量进行评价和苗木分级研究。结果表明:评定互叶白千层苗木质量可以苗高(H)、地径(D)和全株生物量作为表型指标,结合主根数量,并辅以根系长度作为辅助参考综合评价指标。提出了以苗高和地径作为该树种苗木分级的质量指标,并得出互叶白千层扦插苗的3级分级标准,Ⅰ级苗木:苗高> 17.66 cm,地径>1.98 mm;Ⅱ级苗木:苗高为11.48～17.66 cm,地径为1.36～1.98 mm;Ⅲ级苗木:苗高<11.48 cm,地径<1.36 mm。可为互叶白千层苗木分级和筛选提供一定的理论依据。
译  名：
Quality Evaluation and Classification Standards of Cuttage Seedlings of Melaleuca leucadendron L.
作  者：
WEN Weiye;LIU Furong;LUO Jianxun;WANG Haifeng;WEI Xinqiang;College of Chemistry and Life Science, Chengdu Normal University;Sichuan Academy of Forestry;Sichuan Ailangte Biotechnology Co., Ltd.;
关键词：
Melaleuca leucadendron L.;;Cutting propagation;;Principal component analysis;;Seedling classification
摘  要：
The correlation analysis, the mean ± standard deviation method and principal components analysis(PCA)were used to evaluate the quality and seedling classification of Melaleuca leucadendron. cutting propagation, which were introduced and cultivated in Qianwei County, Sichuan province. The results showed that(1) the seedling quality might be evaluated by the seedling height(H), ground diameter(D) and the plant biomass as the phenotypic indexes.Moreover, some indices such as the main root number and the root length were subsidiary index for evaluating the quality.(2) The seedling height and ground diameter were put forward as the quality indexes of seedling classification of this tree species, and the three grade classification standards of Melaleuca leucadendron. cutting propagation were obtained. Grade I seedlings: seedling height>17.66 cm, ground diameter>1.98 mm; Grade II seedlings: the seedling height was 11.48 –17.66 cm, the ground diameter was 1.36 –1.98 mm; Grade Ⅲ seedlings: the seedling height<11.48 cm, ground diameter< 1.36 mm. The results could provide some theoretical basis for the classification and screening of Melaleuca leucadendron. seedlings.

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