| 空心莲子草宿根片断化程度及埋藏深度对其萌芽和幼苗生长的影响 |
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| 引用本文： | 陈中义,邹云胜,陈燕丽,张中华,许兴蕾.空心莲子草宿根片断化程度及埋藏深度对其萌芽和幼苗生长的影响[J].安徽农业科学,2010,38(32):18190-18192. |
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| 作者姓名： | 陈中义 邹云胜 陈燕丽 张中华 许兴蕾 |
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| 作者单位： | 长江大学园艺园林学院,湖北荆州,434025 |
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| 基金项目： | 湖北省教育厅资助项目(Z200512002); 长江大学优秀中青年科技创新团队资助计划项目 |
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| 摘 要： | 目的]为空心莲子草入侵的预防控制提供理论依据。方法]通过控制试验,研究了空心莲子草宿根不同片断化程度以及不同土壤埋藏深度对宿根萌芽及幼苗生长的影响。结果]宿根片断化程度越高,空心莲子草产生越多的萌芽来建立种群,而在宿根片断化程度低的情况下,则通过幼苗早期快速生长来建立种群。土壤埋藏深度对宿根萌芽具有显著影响,但是只要宿根能萌芽出土,并经过充分的生长期,土壤埋藏深度对宿根萌发苗的生长并没有显著影响。结论]在宿根片断化下,通过萌芽和幼苗生长的权衡策略,有利于空心莲子草的入侵;在防除空心莲子草方面,控制其宿根萌芽出土是关键,覆土深埋可以控制空心莲子草的萌芽。
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| 关 键 词： | 空心莲子草 宿根片段 埋藏深度 萌芽 幼苗生长 |
Effects of Fragmentation Intensity of Fresh Roots and Their Burial Depth on Sprouting and Early growth of Alternanthera philoxeroides |
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| CHEN Zhong-yi et al.Effects of Fragmentation Intensity of Fresh Roots and Their Burial Depth on Sprouting and Early growth of Alternanthera philoxeroides[J].Journal of Anhui Agricultural Sciences,2010,38(32):18190-18192. |
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| Authors: | CHEN Zhong-yi |
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| Institution: | CHEN Zhong-yi et al(College of Horticulture , Gardening,Yangtze University,Jingzhou,Hubei 434025) |
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| Abstract: | Objective]The aim was to provide theoretical basis for the prevention and control of the invasion of Alternanthera philoxeroides.Method]Effects of fragmentation intensity of fresh roots and their burial depth on sprouting and early growth of Alternanthera philoxeroides were studied by control test.Result]More sprouts of Alternanthera philoxeroides emerged when the fragmentation intensity of fresh roots was higher,while if the fragmentation intensity of fresh roots was lower,the early growth of Alternanth... |
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| Keywords: | Alternanthera philoxeroides Fresh root fragment Soil buried depth Sprout Early growth of shoots |
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