| Root morphology and activity of stay green sorghum under water stress |
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| DOI：10.7606/j.issn.1000-7601.2012.02.13 |
| Key Words: sorghum stay green root morphology reducing capacity |
| Author Name | Affiliation | | WANG Dequan | Collage of Agronomy, Shenyang Agricultural University, Shenyang, Liaoning 110866, China | | ZHOU Yufei | Collage of Agronomy, Shenyang Agricultural University, Shenyang, Liaoning 110866, China | | LU Zhangbiao | Collage of Agronomy, Shenyang Agricultural University, Shenyang, Liaoning 110866, China | | XIAO Muji | Collage of Agronomy, Shenyang Agricultural University, Shenyang, Liaoning 110866, China | | XU Wenjuan | Collage of Agronomy, Shenyang Agricultural University, Shenyang, Liaoning 110866, China | | HUANG Ruidong | Collage of Agronomy, Shenyang Agricultural University, Shenyang, Liaoning 110866, China |
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| Abstract: |
| The effects of water stress at flowering and filling stages on root morphology and activity of stay green sorghum B35 and normal sorghum Sanchisan were studied under pot cultivation. Compared with normal sorghum Sanchisan, stay green sorghu
m B35 showed higher root dry weight, root/shoot, total root length, root surface area, root volume, tips of root, root reducing capacity and relative absorbing surface area. Under water stress, root morphology indexes and reducing capacity of stay green sorghum B35 decreased in smaller extents than did normal sorghum Sanchisan. We suggested that stay green sorghum B35 could maintain good root morphology and high root activity under the condition of water stress, which ensured stay green sorghum being in normal growth and development. |
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