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| 生长调节剂对青冈根坨苗生长的影响 | |
| 引用本文： | 王涛,尹晓阳,周赟,高鹤,杨萍.生长调节剂对青冈根坨苗生长的影响[J].安徽农业科学,2007,35(34):11041-11043. |
| 作者姓名： | 王涛 尹晓阳 周赟 高鹤 杨萍 |
| 作者单位： | 1. 贵州省龙里林场,贵州龙里,552100 2. 贵州省林业厅,贵州贵阳,550002 3. 贵州省毕节市林业技术推广站,贵州毕节,551700 4. 贵州省林业种苗站,贵州贵阳,550002 5. 贵州大学林学院,贵州贵阳,550025 |
| 基金项目： | 贵州省林业科学技术研究项目(2006) |
| 摘 要： | 目的]加速青冈的繁殖进程。方法]研究不同生长调节剂对促进青冈根坨苗生长的影响。结果]与对照相比,GA 50~100 mg/L+CaCl21~20 mg/L和GA 50 mg/L+NAA 20 mg/L提高发芽率7.0%~13.5%,提高发芽势14.3%~18.0%;青冈播种苗主根发达,侧根较少。该试验采用50穴格穴盘对其进行容器育苗,在苗龄30 d左右时,用浓度为20 mg/L NAA浇灌幼苗根部,促使侧根生长。结果表明,与对照相比,侧根数提高38.8%,生理质量较优,叶绿素含量提高68.9%,叶、枝、根含水率分别提高33.7%、15.9%、7.0%,根的导电率下降55.7%。结论]青冈种子按常规处理发芽时间较长,且发芽不整齐;生长调节剂GA、NAA对青冈根坨苗生长有促进作用。 |
| 关 键 词： | 青冈 根坨苗 种子 生长调节剂 苗木生长 |
| 文章编号： | 0517-6611(2007)34-11041-02 |
| 修稿时间： | 2007年7月11日 |
Influence of Growth Regulator on Root Group Seedlings Growth of Cyclobalanopsis glauca |
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| WANG Tao.Influence of Growth Regulator on Root Group Seedlings Growth of Cyclobalanopsis glauca[J].Journal of Anhui Agricultural Sciences,2007,35(34):11041-11043. | |
| Authors: | WANG Tao |
| Abstract: | Objective] The study aimed to accelerate the propagation course of Cyclobalanopsis glauca.Method] The influences of different growth regulators on promoting the growth of C.glauca root group seedlings were studied.Result] Compared with CK,GA 50～100 mg/L+CaCl2 1～20 mg/L and GA 50 mg/L+NAA 20 mg/L increased the germination rate of C.glauca 7.0%～13.5% and the germination potential 14.3～18.0%,with developed main root and less lateral roots of C.glauca seedlings.In the container nursery experiment using cave dishes with 50 caves,NAA at 20 mg/L was used to irrigate the seedling root for promoting lateral root growing when the seedling age was about 30 d.Compared with CK,the lateral root number increased 38.8%,the physiological quality was superior,the chlorophyll content enhanced 68.9%,the water contents of leaves,branches and roots increased respectively 33.7%,15.9% and 7.0%,and the roots electric conductivity rate decreased 55.7%.Conclusion] The conventional treatment made the germination time of C.glauca seed longer and the germination not even.The growth regulator GA,NAA had promoting effect on the root group seedlings growth of C.glauca. |
| Keywords: | Cyclobalanopsis glauca Root ball seedling seed Growth regulator Seedling growth |
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