| 不同覆种材料对烤烟漂浮育苗生长发育的影响 |
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| 引用本文： | 刘国顺,习向银,时向东,李朝霞,王丛龙.不同覆种材料对烤烟漂浮育苗生长发育的影响[J].烟草科技,2003(1):38-40. |
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| 作者姓名： | 刘国顺 习向银 时向东 李朝霞 王丛龙 |
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| 作者单位： | 河南农业大学,郑州市文化路95号,450002 |
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| 基金项目： | 国家烟草专卖局资助项目 ( 990 10 0 7) |
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| 摘 要： | 20 0 0 2 0 0 1年 ,在河南农业大学实验站进行了不同覆种材料对烤烟漂浮育苗中烟苗生长发育和生理特性影响的研究。结果表明 ,烤烟漂浮育苗采用蛭石覆种效果好于基质覆种。蛭石覆种可以明显增加烟苗茎高和单株茎鲜重 ,显著降低螺旋根发生率 ,增加叶绿素含量 ,提高硝酸还原酶、超氧化物歧化酶和蔗糖转化酶活性 ,增强根系活力和增加叶片中矿质元素含量
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| 关 键 词： | 烤烟 漂浮育苗 生长发育 覆种材料 |
| 文章编号： | 1002-0861(2003)01-0038-03 |
| 修稿时间： | 2002年8月9日 |
Effects of Different Covering Materials on Growth and Development of Flue-cured Tobacco Seedlings in Floating System |
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| LIU GUO-SHUN,XI XIANG-YIN,SHI XIANG-DONG,LI ZHAO-XIA,and WANG CONG-LONG Henan Agricultural University,Zhengzhou ,China.Effects of Different Covering Materials on Growth and Development of Flue-cured Tobacco Seedlings in Floating System[J].Tobacco Science & Technology,2003(1):38-40. |
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| Authors: | LIU GUO-SHUN XI XIANG-YIN SHI XIANG-DONG LI ZHAO-XIA and WANG CONG-LONG Henan Agricultural University Zhengzhou China |
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| Affiliation: | LIU GUO-SHUN,XI XIANG-YIN,SHI XIANG-DONG,LI ZHAO-XIA,and WANG CONG-LONG Henan Agricultural University,Zhengzhou 450002,China |
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| Abstract: | The experiments on effects of different covering materials on growth and development of flue-cured tobacco seedlings in floating system were conducted in Henan Agricultural University Experiment Station during 2000-2001. The results showed that the vermiculite cover was better than medium cover. The growth of tobacco seedlings was obviously promoted, the root vigor and activity of NR, SOD and INV were improved, and contents of chlorophyll and mineral elements in tobacco leaves were also increased by vermiculite-covering. |
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| Keywords: | Flue-cured tobacco Floating system Seedling Growth and development Covering materials |
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