| DPC处理对棉株侧根组织中激素变化动态的影响 |
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| 引用本文： | 董志强,何钟佩,翟学军. DPC处理对棉株侧根组织中激素变化动态的影响[J]. 华北农学报, 2000, 15(2): 95-99 |
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| 作者姓名： | 董志强 何钟佩 翟学军 |
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| 作者单位： | 1. 中国农业大学作物化控室,北京,100094
2. 国家半干旱农业工程技术中心 |
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| 摘 要： | ＤＰＣ系统化控改善了侧根组织中内源激素的水平，其中ＣＴＫｓ中的活性组分ｉＰ＋ｉＰＡ的含量水平提高，而ＤＨＺ＋ＤＨＺＲ和Ｚ＋ＺＲ的含量水平下降（苗期除外）；ＧＡｓ中ＧＡ３含量下降而ＧＡ４６月１７日前高于对照。ＩＡＡ含量在６月１７日前比对照高，ＡＢＡ则只在苗期（５月１８日）和实花期（６月３０日至７月８日）高于对照。ＩＡＡ／ＣＫｓ，ＩＡＡ／Ｚ＋ＺＲ和ＩＡＡ／ＡＢＡ在根系一生中较对照高。
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| 关 键 词： | 棉花 根系 DPC系统化控 内源激素 |
A Study on Variation of Plant Hormone in Cotton Roots by DPC Treatment |
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| DONG Zhi-qiang,HE Zhong-pei,ZHAI Xue-jun. A Study on Variation of Plant Hormone in Cotton Roots by DPC Treatment[J]. Acta Agriculturae Boreali-Sinica, 2000, 15(2): 95-99 |
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| Authors: | DONG Zhi-qiang HE Zhong-pei ZHAI Xue-jun |
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| Abstract: | The content of plant hormone in root has been improved by DPC treatment.The content of iP iPA has been increased but DHZ DHZR and Z ZR have been decreased.The content of GA 3 was lower than control,but the GA 4 was higher than control before 06 17.The contert of IAA was higher than control before 06 17,but ABA was lower than control except 05 18 and 06 30-07 08.The ratios of IAA/CTKs,IAA/Z ZR and IAA/ABA are higher than control in root development period. |
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| Keywords: | Cotton Root System DPC(mepiquit)treatment Plant hormone |
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