[1]王晓丽,曹子林,李根前.超干处理对蓝桉种子发芽及生理生化特性的影响[J].西北林学院学报,2008,23(03):33-35.
WAN G Xi aoli,CAO Zili n,LI Genqi an.Effect of Ultra Dry Treatment on Germination and Physiological and Biochemical Charact eristics of Eucalyptus globulus[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2008,23(03):33-35.
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超干处理对蓝桉种子发芽及生理生化特性的影响
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]
- 卷:
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第23卷
- 期数:
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2008年03期
- 页码:
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33-35
- 栏目:
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森林生物、生理、生态、植物、气象等
- 出版日期:
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2008-05-30
文章信息/Info
- Title:
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Effect of Ultra Dry Treatment on Germination and Physiological and Biochemical Charact eristics of Eucalyptus globulus
- 文章编号:
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1001—7461（2008）03—0033—03
- 作者:
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王晓丽; 曹子林; 李根前
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西南林学院，云南昆明650224
- Author(s):
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WAN G Xi ao—li ; CAO Zi—li n ; LI Gen—qi an
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Southwest Forestry College ，Kunming，Yunnan 650224，China
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- 关键词:
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蓝桉种子; 超干燥; 发芽; 生理生化特性
- Keywords:
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ultra—drying ; seeds of Eucalyptus globulus ; germination ; physiological characteri stics
- 分类号:
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S792.390.1
- 文献标志码:
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A
- 摘要:
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采用热空气恒温（50℃）干燥法对蓝桉种子进行超干处理，将蓝桉种子含水量由自然干燥的9．8％分别降至9％、8％、7％、6％、5％、4％、3％、2％、1％，研究超干燥处理对蓝桉种子发芽及生理生化特性的影响。结果表明：蓝桉种子耐脱水性较强，脱水至5％时，未发现种子活力明显下降，细胞膜能保持较好完整性，电导率最低，α—淀粉酶和脱氢酶活性高，各发芽能力指标在9个超干处理中最好。对各测定指标综合分析表明，蓝桉种子超干处理是完全可行的，最适含水率为5％，为蓝桉种子超干燥处理和贮藏提供了依据。
- Abstract:
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The met hod of t he hot ai r constant te mperat ure （50℃）was used i n t hi s experi ment to carry onultra—dryi ng processi ng on t he seeds of Eucal yptus ．globulus ，t he mai n forest tree i n Sout h Chi na ．Thewater content of t he seeds of E ．lobulus was decreased fro m 9．8％by nat ural dryi ng to 9％，8％，7％，6％，5％，4％，3％，2％，1％separately to st udy t he effect of ultra—dryi ng processi ng on t he ger mi nati on and t he physi ologi cal characteri sti cs of t he seeds of E ．globulus ．The res ults i ndi cated t hat t he seeds of E ．globulus bore strong dehydrati on ．When dehydrated to 5％，t he cell me mbrane could mai ntai n a better integrity and t he acti veness of α—a mylase and dehydrogenase were up to t he hi ghest wit hout obvi ous drop of t he seed vi gor ．When t he seed water content was 5％，t he factors of ger mi nati ve capacity were t he best of all 9water content gradi ents i n ultra—dryi ng processi ng ．In bri ef ，t he ultra—dryi ng processi ng di d not affect the ger mi nati ve of t he seeds of E ．globulus si gnifi cantly and t he most s uitable water content was 5％．It was concluded t hat it was co mpletely feasi ble to process and store t he seeds of E ．globulus i n an ultra—drying environment．
参考文献/References:
［1］ 林坚，郑光华．超干贮藏杜仲种子的研究［A］．见：郑光华．种子生理研究［C］．北京：科学出版社，2004：212—217．
［2］ 刘志中．超干燥对马尾松、杉木种子发芽率及生活力的影响［J］．闽西职业大学学报，2002（2）：52—53．
［3］ 郑郁善，王舒凤，陈礼光．木麻黄等种子超干燥贮藏生理生化特性的研究［J］．江西农业大学学报，2000，22（4）：554—558．
［4］ GB2772—81．林木种子检验方法［S］．北京：技术标准出版社，1982．
［5］ 朔普迈耶CS．美国木本种子手册［M］．北京：中国林业出版社，1984：229—244．
［6］ 黄学林，陈润政．种子生理实验手册［M］．北京：北京农业大学出版社，1990：89—112．53第3期王晓丽等 超干处理对蓝桉种子发芽及生理生化特性的影响
备注/Memo
- 备注/Memo:
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收稿日期：2007—10—12 修回日期：2008—01—24 基金项目：云南省省级重点建设学科“森林培育学基金”（500018） 作者简介：王晓丽（1976—），女，河北邯郸人，讲师，主要从事森林培育的教学与研究工作。
更新日期/Last Update: