| 不同药剂处理对低温逆境下烟草种子发芽和幼苗生长的影响 |
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| 引用本文： | 马文广,崔华威,李永平,韩瑞,郑昀晔,胡晋.不同药剂处理对低温逆境下烟草种子发芽和幼苗生长的影响[J].科技通报,2011,27(6). |
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| 作者姓名： | 马文广 崔华威 李永平 韩瑞 郑昀晔 胡晋 |
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| 作者单位： | 1. 云南省烟草农业科学研究院,云南玉溪,653100
2. 浙江大学农业与生物技术学院,杭州,310029 |
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| 基金项目： | 云南省科技厅项目(2009EB073) |
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| 摘 要： | 研究了不同药剂处理对低温逆境下不同耐寒力烟草品种种子发芽和幼苗生长的影响。采用不同浓度的外源脯氨酸、水杨酸、氯化钙、甘油、二甲基亚砜、乙二醇、聚乙二醇、丙二醇、烯效唑、脱落酸对不同耐寒力烟草品种种子浸种处理后,测定了低温逆境下不同烟草品种发芽及幼苗生长和生理生化指标变化。结果表明,脯氨酸、水杨酸、氯化钙、二甲基亚砜和聚乙二醇5种药剂浸种能显著促进烟草种子发芽,提高了低温逆境下幼苗根长、苗高、幼苗干鲜重以及超氧化物歧化酶(SOD)、过氧化物酶(POD)、过氧化氢酶(CAT)和抗坏血酸过氧化物酶(APX)活性,其中10 g/L脯氨酸、120 mg/L水杨酸、15 mg/L氯化钙、30 ml/L二甲基亚砜和100 ml/L聚乙二醇综合效果较好,可以作为提高烟草种子及幼苗抗寒性的处理方法。
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| 关 键 词： | 烟草 种子 抗寒 浸种 药剂 |
Effects of Seed Soaking with Different Agents on Seed Germination and Seedling Growth in Tobacco(Nicotiana tabacum L.) under Low Temperature Stress |
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| MA Wenguang,CUI Huawei,LI Yongping,HAN Rui,ZHENG Yunye,HU Jin.Effects of Seed Soaking with Different Agents on Seed Germination and Seedling Growth in Tobacco(Nicotiana tabacum L.) under Low Temperature Stress[J].Bulletin of Science and Technology,2011,27(6). |
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| Authors: | MA Wenguang CUI Huawei LI Yongping HAN Rui ZHENG Yunye HU Jin |
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| Institution: | MA Wenguang1,CUI Huawei2,LI Yongping1,ZHENG Yunye1,HU Jin2*(1.Tobacco Agricultural Science Research Academy of Yunan Province,Yuxi 653100,China,2.Seed Science Center of Agriculture and Biotechnology College,Zhejiang University,Hangzhou 310029,China) |
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| Abstract: | The effects of different agents on seed germination and growth characteristics of tobacco cultivars with different cold tolerance were researched in this paper.Seeds of two tobacco cultivars with different cold tolerance were soaked in different concentration solutions of exogenous proline,salicylic acid,calcium chloride,glycerol,dimethyl sulfoxide,ethylene glycol,polyethylene glycol,propylene glycol,uniconazole and abscisic acid.Then germination,seedling growth and physiological and biochemical changes und... |
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| Keywords: | tobacco(Nicotiana tabacum L ) seed cold tolerance soaking agent |
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