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| 甲磺隆和草甘膦对空心莲子草乙酰乳酸合酶活性和莽草酸含量的影响 | |
| 引用本文： | 娄远来,邓渊钰,沈晋良,徐朗莱,沈文飚.甲磺隆和草甘膦对空心莲子草乙酰乳酸合酶活性和莽草酸含量的影响[J].植物保护学报,2005,32(2):185-188. |
| 作者姓名： | 娄远来 邓渊钰 沈晋良 徐朗莱 沈文飚 |
| 作者单位： | 1. 南京农业大学农业部病虫监测与治理重点实验室,南京,210095;江苏省农业科学院,南京,210014 2. 江苏省农业科学院,南京,210014 3. 南京农业大学农业部病虫监测与治理重点实验室,南京,210095 4. 南京农业大学生命科学院,南京,210095 |
| 摘 要： | 为研究甲磺隆和草甘膦对空心莲子草的作用机理,探索其最佳的使用技术,采用有效成分为30 g/hm2和60 g/hm2 的甲磺隆处理空心莲子草,能明显抑制其茎和根乙酰乳酸合酶的比活性;有效成分为1537.5g/ hm2和3075g/ hm2 的草甘膦处理则能明显抑制空心莲子草莽草酸含量的积累;施用甲磺隆和草甘膦对空心莲子草生长的抑制作用随药剂浓度的提高而增大.二次施用草甘膦(间隔30天)的结果表明,低剂量处理对抑制空心莲子草根组织莽草酸含量的积累更明显. |
| 关 键 词： | 空心莲子草 甲磺隆 草甘膦 乙酰乳酸合酶 莽草酸 |
| 收稿时间： | 2004-06-17 |
| 修稿时间： | 2004年6月17日 |
Effects of metsulfuron-methyl and glyphosate on acetolactate synthase activities and shikimate levels of Alternanthera philoxeroides |
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| LOU Yuan-lai,DENG Yuan-yu,Jin-liang,XU Lang-lai and SHEN Wen-biao.Effects of metsulfuron-methyl and glyphosate on acetolactate synthase activities and shikimate levels of Alternanthera philoxeroides[J].Acta Phytophylacica Sinica,2005,32(2):185-188. | |
| Authors: | LOU Yuan-lai DENG Yuan-yu Jin-liang XU Lang-lai and SHEN Wen-biao |
| Institution: | Key Lab of Monitoring and Management of Plant Diseases and Insects, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China; Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;Key Lab of Monitoring and Management of Plant Diseases and Insects, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China;College of Life Sciences, Nanjing Agricultural University,Nanjing 210095, China;College of Life Sciences, Nanjing Agricultural University,Nanjing 210095, China |
| Abstract: | Metsulfuron-methyl sprayed with dosages at 30g ai/hm~2 and 60g ai/hm~2 remarkably inhibited acetolactate synthase (ALS) activities in both stems and roots of Alternanthera philoxeroides.Shikimate accumulation was strongly diminished by using glyphosate at dosages of 1537.5g/hm~2 and 3075/hm~2. Meanwhile,the growth rate decrement of Alternanthera philoxeroides was counteracted with the increase of dosages of metsulfuron-methyl and glyphosate.When sprayed glyphosate twice (between 30 days),the inhibition of shikimate content in root tissues was remarkably accelerated by the low glyphosate dosage in comparison with that of the high dosage. |
| Keywords: | Alternanthera philoxeroides metsulfuron-methyl glyphosate acetolactate synthase shikimate |
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