| 超干处理对金钱松种子活力的影响 |
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| 引用本文： | 廖文燕,高捍东.超干处理对金钱松种子活力的影响[J].安徽农业科学,2011,39(18):10877-10879. |
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| 作者姓名： | 廖文燕 高捍东 |
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| 作者单位： | 南京林业大学森林资源与环境学院,国家林业局南方林木种子检验中心,江苏,南京,210037;南京林业大学森林资源与环境学院,国家林业局南方林木种子检验中心,江苏,南京,210037 |
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| 基金项目： | 委托研究项目“林木种苗繁育技术”(010021191) |
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| 摘 要： | 目的]研究经超干处理后金钱松种子的发芽率、活力指数以及电导率的变化。方法]采用室温硅胶干燥法，测定种子的脱水速率，研究超干处理对种子发芽率和活力指数、电导率的影响。结果]将金钱松种子舍水量由16．O％降至3．3％大约需要60d。人工老化过程中，含水量4．2％～6．4％的金钱松种子耐藏性最好，而且随着贮藏温度的降低，最佳含水量有升高的趋势。含水量4．2％～6．4％的金钱松种子在25℃恒温保存3个月后的发芽率仍然低于60％。含水量3．3％的种子已经过度干燥。结论]金钱松种子的在室温条件下的超干贮藏并不能取得较好的贮藏效果。
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| 关 键 词： | 金钱松 超干贮藏技术 种子活力 |
Effect of Ultra-dry Treatment on the Seed Vitality of Pseudolarix kaempferi(Lindl.) Gord |
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| LIAO Wen-yan et al.Effect of Ultra-dry Treatment on the Seed Vitality of Pseudolarix kaempferi(Lindl.) Gord[J].Journal of Anhui Agricultural Sciences,2011,39(18):10877-10879. |
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| Authors: | LIAO Wen-yan |
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| Institution: | LIAO Wen-yan et al(Southern Tree Seed Inspection Center,National Forestry Administration,College of Forest Resources and Environment,Nanjing Forestry University,Nanjing,Jiangsu 210037) |
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| Abstract: | Objective]The research aimed to study the changes of germination rate,vigor index and electrical conductivity of the seeds of P.kaempferi after the ultra-dry treatment.Method]Using silicone drying method at room temperature,the dehydration rate of the seeds was determined.The effects of ultra-dry treatment on the germination rate,vigor index and electrical conductivity of the seeds were studied.Result]The decrease of moisture content in the seeds of P.kaempferi took 60 days from 16.0% to 3.3%.During the ... |
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| Keywords: | Pseudolarix kaempferi Ultra-dry storage technology Seed vitality |
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