磐安榧树不同类型种实性状比较研究
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摘要
2016年9月在浙江省磐安县采集榧树Torreyagrandis的长香榧、丁香榧等11个自然类型及香榧Torreyagrandis‘Merrillii’种实,对其形态学特征进行比较研究。结果表明,不同类型及香榧间鲜单实质量等16个种实性状指标方差分析均存在极显著的差异(α=0.01)。各种实性状中,变异最大的性状是单个种实(种核、种仁)质量,其次是核形指数、种形指数、假种皮厚,变异最小的是出核率、出仁率、种核横径、种实横径。物种变异丰富度最大的是褐核香榧,其次是小丁香,最小的是丁香榧、甜丁香、大丁香。
Seeds of 11 natural types of Torreya grandis and T. grandis ‘Merrillii' were collected in Pan'an county of Zhejiang province in September of 2016. Determinations and analysis were carried out on seed traits, such as single fruit/nut/kernel mass, nut verticle/cross diameter, and content of protein/total sugar, fatty acid composition, etc. The results demonstrated that there was extremely evident difference of seed traits among tested ones.The single mass of seed(nut, kernel) among determined traits had the largest variation coefficients, followed by the index of nut shape, index of seed shape, aril thickness. Hehe Xiangfei had the largest species richness variation.
Seeds of 11 natural types of Torreya grandis and T. grandis ‘Merrillii' were collected in Pan'an county of Zhejiang province in September of 2016. Determinations and analysis were carried out on seed traits, such as single fruit/nut/kernel mass, nut verticle/cross diameter, and content of protein/total sugar, fatty acid composition, etc. The results demonstrated that there was extremely evident difference of seed traits among tested ones.The single mass of seed(nut, kernel) among determined traits had the largest variation coefficients, followed by the index of nut shape, index of seed shape, aril thickness. Hehe Xiangfei had the largest species richness variation.
引文
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[3]靳高中,姚小华,任华东,等.滇西4种山茶果实性状变异分析[J].江西农业大学学报,2011,33(4):707-711.
[4]李扬,姚小华,王开良,等.野生香榧种实性状变异研究[J].浙江林业科技,2009,29(3):35-38.
[5]苏理云,陈彩霞,高红霞. SPSS19统计分析基础与案例应用教程[M].北京:北京希望电子出版社,2012:1-157.
[6]李正红,潘学政,周朝鸿,等.云南地方栽培木豆群体数量性状变异分析[J].林业科学研究,2004,17(5):547-554.
[7]黎章矩,戴文圣.中国香榧[M].北京:科学出版社,2007:56-84.