| 水稻残茬自毒作用研究 |
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| 引用本文： | 胡帅珂,高岩,王莘.水稻残茬自毒作用研究[J].现代农业科技,2012(5):51-52. |
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| 作者姓名： | 胡帅珂 高岩 王莘 |
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| 作者单位： | 1. 吉林农业大学资源与环境学院．吉林长春130118
2. 吉林农业大学生命科学学院 |
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| 摘 要： | 采用室内生物测定方法,研究了水稻残茬秸秆浸提液的自毒作用。结果表明,水稻秸秆浸提液对水稻种子萌发和水稻幼苗生理活性的影响因浸提液浓度不同而有差异,随着浸提液浓度的增大,抑制作用增强,RI绝对值增大。当浸提液浓度稀释至1∶40时化感作用略微表现为促进作用,与空白试验结果相近。
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| 关 键 词： | 水稻残茬 浸提液 自毒作用 化感 水稻秸秆 连作障碍 |
Autotoxicity of Rice Stubble Straw |
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| Authors: | HU Shuai-ke GAO Yan WANG Xin |
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| Institution: | 1 College of Resoureces and Environment,Jilin Agricultural University,Changchun Jilin 130118;2 School of Life Sciences,Jilin Agricultural University) |
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| Abstract: | The autotoxity effects of aqueous extracts from rice stubble straw were determined by means of bioassay in laboratory.The results showed that the influences of aqueous extracts of rice straw varied according to different concentrations to seed germination and rice seedling physiological activity.With the increasing of extract concentration,inhibition enhanced,RI absolute value increased.When Dilution of the extract to 1∶40,allelopathy was a slight performance role in promoting,similar with the blank test results. |
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| Keywords: | autotoxicity aqueous extarcts allelopathic rice straw continuous cropping obstacle |
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