<i>Miscanthus sinensis ‘Gracillimus’</i> Shows Strong Submergence Tolerance Implying Its Potential Utilization in Construction of Ecological Ditches
This study focused on three drought-tolerant grasses, namely <i>Miscanthus sinensis ‘Gracillimus’</i> (Mis), <i>Pennisetum alopecuroides ‘Ziguang’</i> (Pen), and <i>Elytrigia repens (</i>L.<i>) Nevski ‘Jingcao No. 2′</i> (Ely), selected from nine speci...
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2025-01-01
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| Series: | Agronomy |
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| Online Access: | https://www.mdpi.com/2073-4395/15/1/109 |
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| author | Chunqiao Zhao Ting Wu Aoxiang Chang Zhenyu Fan Xiaona Li Cui Li Mei Zheng Yu Sun Xiuyun Wan Jie Meng Jing Zhang Zebing Chen Di Zhao Qiang Guo Xincun Hou Xifeng Fan |
| author_facet | Chunqiao Zhao Ting Wu Aoxiang Chang Zhenyu Fan Xiaona Li Cui Li Mei Zheng Yu Sun Xiuyun Wan Jie Meng Jing Zhang Zebing Chen Di Zhao Qiang Guo Xincun Hou Xifeng Fan |
| author_sort | Chunqiao Zhao |
| collection | DOAJ |
| description | This study focused on three drought-tolerant grasses, namely <i>Miscanthus sinensis ‘Gracillimus’</i> (Mis), <i>Pennisetum alopecuroides ‘Ziguang’</i> (Pen), and <i>Elytrigia repens (</i>L.<i>) Nevski ‘Jingcao No. 2′</i> (Ely), selected from nine species. Despite limited knowledge regarding their tolerance to submergence and responses to this stress, these three grasses were chosen for investigation. The three grass species were exposed to varying durations of submergence (0, 1, 3, 5, 7, 9, and 11 days) in a greenhouse setting. Subsequently, their growth characteristics, physiological traits, and nitrogen accumulation were evaluated. The study found that all three grass species exhibited flood tolerance, with Mis showing the strongest resistance. Under an 11-day flooding treatment, there was no significant trend in the above-ground biomass of Mis. Flooding significantly reduced the root-to-stem ratio, with Pen and Ely exhibiting more pronounced declines than Mis. The chlorophyll content in Mis decreased by 38%, compared to 41% in Pen and 60% in Ely. The root activity of the most affected species dropped by 88.6%, and nitrogen accumulation was inhibited with longer flooding durations. Pen’s nitrogen levels decreased significantly across treatments, while no significant changes were observed in Mis. Ely’s nitrogen assimilation initially increased until T4, after which it began to decline, reflecting similar trends in above-ground biomass. These findings suggest that flood tolerance is linked to nutrient uptake and photosynthetic capacity, highlighting Mis as the most suitable grass species for flood-prone areas and recommending its use in ecological ditch construction in China. This study provides material selection for the construction of ecological ditches. |
| format | Article |
| id | doaj-art-5b4e89c0a5534248835570e7f38e0149 |
| institution | Kabale University |
| issn | 2073-4395 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Agronomy |
| spelling | doaj-art-5b4e89c0a5534248835570e7f38e01492025-01-24T13:16:45ZengMDPI AGAgronomy2073-43952025-01-0115110910.3390/agronomy15010109<i>Miscanthus sinensis ‘Gracillimus’</i> Shows Strong Submergence Tolerance Implying Its Potential Utilization in Construction of Ecological DitchesChunqiao Zhao0Ting Wu1Aoxiang Chang2Zhenyu Fan3Xiaona Li4Cui Li5Mei Zheng6Yu Sun7Xiuyun Wan8Jie Meng9Jing Zhang10Zebing Chen11Di Zhao12Qiang Guo13Xincun Hou14Xifeng Fan15Institute of Grassland, Flowers and Ecology, Beijing Academy of Agricultural and Forestry Sciences, 9 Shuguanghuayuan Middle Road, Haidian District, Beijing 100097, ChinaInstitute of Grassland, Flowers and Ecology, Beijing Academy of Agricultural and Forestry Sciences, 9 Shuguanghuayuan Middle Road, Haidian District, Beijing 100097, ChinaInstitute of Grassland, Flowers and Ecology, Beijing Academy of Agricultural and Forestry Sciences, 9 Shuguanghuayuan Middle Road, Haidian District, Beijing 100097, ChinaBeijing-Tianjin-Hebei Saline and Alkaline Land Ecology Vegetation Remediation United Laboratory, District Caofeidian, Tangshan 063299, ChinaInstitute of Grassland, Flowers and Ecology, Beijing Academy of Agricultural and Forestry Sciences, 9 Shuguanghuayuan Middle Road, Haidian District, Beijing 100097, ChinaInstitute of Grassland, Flowers and Ecology, Beijing Academy of Agricultural and Forestry Sciences, 9 Shuguanghuayuan Middle Road, Haidian District, Beijing 100097, ChinaInstitute of Grassland, Flowers and Ecology, Beijing Academy of Agricultural and Forestry Sciences, 9 Shuguanghuayuan Middle Road, Haidian District, Beijing 100097, ChinaBeijing-Tianjin-Hebei Saline and Alkaline Land Ecology Vegetation Remediation United Laboratory, District Caofeidian, Tangshan 063299, ChinaHuailai Bureau of Agricultural and Rural Affairs, Zhangjiakou 075499, ChinaHuailai Bureau of Agricultural and Rural Affairs, Zhangjiakou 075499, ChinaHuailai Bureau of Agricultural and Rural Affairs, Zhangjiakou 075499, ChinaInstitute of Grassland, Flowers and Ecology, Beijing Academy of Agricultural and Forestry Sciences, 9 Shuguanghuayuan Middle Road, Haidian District, Beijing 100097, ChinaInstitute of Grassland, Flowers and Ecology, Beijing Academy of Agricultural and Forestry Sciences, 9 Shuguanghuayuan Middle Road, Haidian District, Beijing 100097, ChinaInstitute of Grassland, Flowers and Ecology, Beijing Academy of Agricultural and Forestry Sciences, 9 Shuguanghuayuan Middle Road, Haidian District, Beijing 100097, ChinaInstitute of Grassland, Flowers and Ecology, Beijing Academy of Agricultural and Forestry Sciences, 9 Shuguanghuayuan Middle Road, Haidian District, Beijing 100097, ChinaInstitute of Grassland, Flowers and Ecology, Beijing Academy of Agricultural and Forestry Sciences, 9 Shuguanghuayuan Middle Road, Haidian District, Beijing 100097, ChinaThis study focused on three drought-tolerant grasses, namely <i>Miscanthus sinensis ‘Gracillimus’</i> (Mis), <i>Pennisetum alopecuroides ‘Ziguang’</i> (Pen), and <i>Elytrigia repens (</i>L.<i>) Nevski ‘Jingcao No. 2′</i> (Ely), selected from nine species. Despite limited knowledge regarding their tolerance to submergence and responses to this stress, these three grasses were chosen for investigation. The three grass species were exposed to varying durations of submergence (0, 1, 3, 5, 7, 9, and 11 days) in a greenhouse setting. Subsequently, their growth characteristics, physiological traits, and nitrogen accumulation were evaluated. The study found that all three grass species exhibited flood tolerance, with Mis showing the strongest resistance. Under an 11-day flooding treatment, there was no significant trend in the above-ground biomass of Mis. Flooding significantly reduced the root-to-stem ratio, with Pen and Ely exhibiting more pronounced declines than Mis. The chlorophyll content in Mis decreased by 38%, compared to 41% in Pen and 60% in Ely. The root activity of the most affected species dropped by 88.6%, and nitrogen accumulation was inhibited with longer flooding durations. Pen’s nitrogen levels decreased significantly across treatments, while no significant changes were observed in Mis. Ely’s nitrogen assimilation initially increased until T4, after which it began to decline, reflecting similar trends in above-ground biomass. These findings suggest that flood tolerance is linked to nutrient uptake and photosynthetic capacity, highlighting Mis as the most suitable grass species for flood-prone areas and recommending its use in ecological ditch construction in China. This study provides material selection for the construction of ecological ditches.https://www.mdpi.com/2073-4395/15/1/109submergenceperennial grassecological ditchfarmland ecosystemphysiological indicatorsnitrogen assimilation |
| spellingShingle | Chunqiao Zhao Ting Wu Aoxiang Chang Zhenyu Fan Xiaona Li Cui Li Mei Zheng Yu Sun Xiuyun Wan Jie Meng Jing Zhang Zebing Chen Di Zhao Qiang Guo Xincun Hou Xifeng Fan <i>Miscanthus sinensis ‘Gracillimus’</i> Shows Strong Submergence Tolerance Implying Its Potential Utilization in Construction of Ecological Ditches Agronomy submergence perennial grass ecological ditch farmland ecosystem physiological indicators nitrogen assimilation |
| title | <i>Miscanthus sinensis ‘Gracillimus’</i> Shows Strong Submergence Tolerance Implying Its Potential Utilization in Construction of Ecological Ditches |
| title_full | <i>Miscanthus sinensis ‘Gracillimus’</i> Shows Strong Submergence Tolerance Implying Its Potential Utilization in Construction of Ecological Ditches |
| title_fullStr | <i>Miscanthus sinensis ‘Gracillimus’</i> Shows Strong Submergence Tolerance Implying Its Potential Utilization in Construction of Ecological Ditches |
| title_full_unstemmed | <i>Miscanthus sinensis ‘Gracillimus’</i> Shows Strong Submergence Tolerance Implying Its Potential Utilization in Construction of Ecological Ditches |
| title_short | <i>Miscanthus sinensis ‘Gracillimus’</i> Shows Strong Submergence Tolerance Implying Its Potential Utilization in Construction of Ecological Ditches |
| title_sort | i miscanthus sinensis gracillimus i shows strong submergence tolerance implying its potential utilization in construction of ecological ditches |
| topic | submergence perennial grass ecological ditch farmland ecosystem physiological indicators nitrogen assimilation |
| url | https://www.mdpi.com/2073-4395/15/1/109 |
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