铁皮石斛种质资源主要表型性状的差异与相关分析
从不同来源的铁皮石斛种质资源中选取2~3年生、具有代表性的植株83丛,对其10个表型性状进行了差异性评价和相关分析。结果表明:铁皮石斛种质资源的表型性状具有较高的遗传多态性,其茎长、茎节数、节距、茎粗、叶片长度和叶片宽度的变幅分别为5.0~30.3cm、7.5~27个、0.44~1.75cm、2.44~6.84mm、2.3~6.9cm、0.7~1.97cm,叶形指数变幅为2.3~4.9,叶面积变幅为2.0~11cm2;各性状指标的变异系数(CV)在18.8%~44.0%之间。各性状之间的相关关系较为复杂,在铁皮石斛资源筛选与遗传改良时,应根据育种目标对表型性状进行合理的选择。...
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Published in | Guangdong nong ye ke xue Vol. 37; no. 8; pp. 78 - 80 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
广东省农科院作物研究所,广东,广州,510640%广东省农科集团良种苗木中心,广东,广州,510640
2010
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Subjects | |
Online Access | Get full text |
ISSN | 1004-874X |
DOI | 10.3969/j.issn.1004-874X.2010.08.033 |
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Abstract | 从不同来源的铁皮石斛种质资源中选取2~3年生、具有代表性的植株83丛,对其10个表型性状进行了差异性评价和相关分析。结果表明:铁皮石斛种质资源的表型性状具有较高的遗传多态性,其茎长、茎节数、节距、茎粗、叶片长度和叶片宽度的变幅分别为5.0~30.3cm、7.5~27个、0.44~1.75cm、2.44~6.84mm、2.3~6.9cm、0.7~1.97cm,叶形指数变幅为2.3~4.9,叶面积变幅为2.0~11cm2;各性状指标的变异系数(CV)在18.8%~44.0%之间。各性状之间的相关关系较为复杂,在铁皮石斛资源筛选与遗传改良时,应根据育种目标对表型性状进行合理的选择。 |
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AbstractList | S682.31; 从不同来源的铁皮石斛种质资源中选取2~3年生,具有代表性的植株83丛,对其10个表型性状进行了差异性评价和相关分析.结果表明:铁皮石斛种质资源的表型性状具有较高的遗传多态性,其茎长、茎节数、节距,茎粗、叶片长度和叶片宽度的变幅分别为5.0~30.3 cm、7.5~27个、0.44~1.75 cm、2.44~6.84 mm、2.3~6.9 cm、0.7~1.97 cm,叶形指数变幅为2.3~4.9,叶面积变幅为2.0~11cm2;各性状指标的变异系数(CV)在18.8%~44.0%之间.各性状之间的相关关系较为复杂,在铁皮石斛资源筛选与遗传改良时,应根据育种目标对表型性状进行合理的选择. 从不同来源的铁皮石斛种质资源中选取2~3年生、具有代表性的植株83丛,对其10个表型性状进行了差异性评价和相关分析。结果表明:铁皮石斛种质资源的表型性状具有较高的遗传多态性,其茎长、茎节数、节距、茎粗、叶片长度和叶片宽度的变幅分别为5.0~30.3cm、7.5~27个、0.44~1.75cm、2.44~6.84mm、2.3~6.9cm、0.7~1.97cm,叶形指数变幅为2.3~4.9,叶面积变幅为2.0~11cm2;各性状指标的变异系数(CV)在18.8%~44.0%之间。各性状之间的相关关系较为复杂,在铁皮石斛资源筛选与遗传改良时,应根据育种目标对表型性状进行合理的选择。 |
Author | 张振臣 陈俊标 马柱文 李淑玲 汤亚飞 邱道寿 谭铭喜 |
AuthorAffiliation | 广东省农科院作物研究所,广东广州510640 广东省农科集团良种苗木中心,广东广州510640 |
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Author_FL | CHEN Jun-biao TAN Ming-xi ZHANG Zhen-chen MA Zhu-wen LI Shu-ling QIU Dao-shou TANG Ya-fei |
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SubjectTerms | 差异 相关性 种质资源 表型性状 铁皮石斛 |
Title | 铁皮石斛种质资源主要表型性状的差异与相关分析 |
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