Natural Regeneration of IMorus alba/I in IRobinia pseudoacacia/I Plantation and the Mechanism of Seed Germination and Early Seedling Growth Restriction in the Yellow River Delta
There is a wide range of naturally regenerated Morus alba in the declining Robinia pseudoacacia plantation of the Yellow River Delta. It is important to clarify the key mechanism of natural regeneration of M. alba for the transformation of declining R. pseudoacacia plantation. According to the death...
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| Veröffentlicht in: | Water (Basel) 2023-02, Vol.15 (3) |
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| creator | Wang, Mengyao Zhu, Xiangyuan Liu, Wei Wang, Kexin Tan, Chunxia Liu, Guangfang Mao, Peili Cao, Banghua Jia, Bo Pang, Yuanxiang Jiang, Fucheng |
| description | There is a wide range of naturally regenerated Morus alba in the declining Robinia pseudoacacia plantation of the Yellow River Delta. It is important to clarify the key mechanism of natural regeneration of M. alba for the transformation of declining R. pseudoacacia plantation. According to the death density of R. pseudoacacia, the plantation of R. pseudoacacia was divided into nondeclining, moderately declining, and severely declining forests. The structural characteristics of adult trees and seedlings of M. alba in different decline degrees forest were investigated. A pot experiment was conducted to study the seed germination and early seedling growth of M. alba in saline alkali soil and nonsaline alkali soil under different soil salt contents and light intensities. The results showed that the natural regeneration of M. alba was obviously affected by the decline of R. pseudoacacia plantation. With the increase of decline degree, M. alba density and seedling density first increased and then decreased, and were the highest in the medium decline plantation. Under full light intensity, the vigor index of M. alba seeds and the biomass of seedlings were significantly greater than those of 25% full light intensity. The germination rate and germination index under 1‰ soil salt content were significantly lower than those under 3‰, but the biomass of seedlings was on the contrary. The 1000-seed weight, seed germination, and seedling biomass of moderately declining R. pseudoacacia plantations were close to those of nonsaline alkali land, while significantly higher than those of nondeclining plantations, but the germination index of moderately declining R. pseudoacacia plantation was higher than that of nonsaline alkali land. Therefore, the germination ability of maternal trees in saline alkali land was higher than that in nonsaline alkali land under salt stress. |
| doi_str_mv | 10.3390/w15030546 |
| format | Article |
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It is important to clarify the key mechanism of natural regeneration of M. alba for the transformation of declining R. pseudoacacia plantation. According to the death density of R. pseudoacacia, the plantation of R. pseudoacacia was divided into nondeclining, moderately declining, and severely declining forests. The structural characteristics of adult trees and seedlings of M. alba in different decline degrees forest were investigated. A pot experiment was conducted to study the seed germination and early seedling growth of M. alba in saline alkali soil and nonsaline alkali soil under different soil salt contents and light intensities. The results showed that the natural regeneration of M. alba was obviously affected by the decline of R. pseudoacacia plantation. With the increase of decline degree, M. alba density and seedling density first increased and then decreased, and were the highest in the medium decline plantation. Under full light intensity, the vigor index of M. alba seeds and the biomass of seedlings were significantly greater than those of 25% full light intensity. The germination rate and germination index under 1‰ soil salt content were significantly lower than those under 3‰, but the biomass of seedlings was on the contrary. The 1000-seed weight, seed germination, and seedling biomass of moderately declining R. pseudoacacia plantations were close to those of nonsaline alkali land, while significantly higher than those of nondeclining plantations, but the germination index of moderately declining R. pseudoacacia plantation was higher than that of nonsaline alkali land. Therefore, the germination ability of maternal trees in saline alkali land was higher than that in nonsaline alkali land under salt stress.</description><identifier>ISSN: 2073-4441</identifier><identifier>EISSN: 2073-4441</identifier><identifier>DOI: 10.3390/w15030546</identifier><language>eng</language><publisher>MDPI AG</publisher><subject>Germination ; Growth ; Plantations ; Rivers ; Salinity ; Seeds</subject><ispartof>Water (Basel), 2023-02, Vol.15 (3)</ispartof><rights>COPYRIGHT 2023 MDPI AG</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Wang, Mengyao</creatorcontrib><creatorcontrib>Zhu, Xiangyuan</creatorcontrib><creatorcontrib>Liu, Wei</creatorcontrib><creatorcontrib>Wang, Kexin</creatorcontrib><creatorcontrib>Tan, Chunxia</creatorcontrib><creatorcontrib>Liu, Guangfang</creatorcontrib><creatorcontrib>Mao, Peili</creatorcontrib><creatorcontrib>Cao, Banghua</creatorcontrib><creatorcontrib>Jia, Bo</creatorcontrib><creatorcontrib>Pang, Yuanxiang</creatorcontrib><creatorcontrib>Jiang, Fucheng</creatorcontrib><title>Natural Regeneration of IMorus alba/I in IRobinia pseudoacacia/I Plantation and the Mechanism of Seed Germination and Early Seedling Growth Restriction in the Yellow River Delta</title><title>Water (Basel)</title><description>There is a wide range of naturally regenerated Morus alba in the declining Robinia pseudoacacia plantation of the Yellow River Delta. It is important to clarify the key mechanism of natural regeneration of M. alba for the transformation of declining R. pseudoacacia plantation. According to the death density of R. pseudoacacia, the plantation of R. pseudoacacia was divided into nondeclining, moderately declining, and severely declining forests. The structural characteristics of adult trees and seedlings of M. alba in different decline degrees forest were investigated. A pot experiment was conducted to study the seed germination and early seedling growth of M. alba in saline alkali soil and nonsaline alkali soil under different soil salt contents and light intensities. The results showed that the natural regeneration of M. alba was obviously affected by the decline of R. pseudoacacia plantation. With the increase of decline degree, M. alba density and seedling density first increased and then decreased, and were the highest in the medium decline plantation. Under full light intensity, the vigor index of M. alba seeds and the biomass of seedlings were significantly greater than those of 25% full light intensity. The germination rate and germination index under 1‰ soil salt content were significantly lower than those under 3‰, but the biomass of seedlings was on the contrary. The 1000-seed weight, seed germination, and seedling biomass of moderately declining R. pseudoacacia plantations were close to those of nonsaline alkali land, while significantly higher than those of nondeclining plantations, but the germination index of moderately declining R. pseudoacacia plantation was higher than that of nonsaline alkali land. Therefore, the germination ability of maternal trees in saline alkali land was higher than that in nonsaline alkali land under salt stress.</description><subject>Germination</subject><subject>Growth</subject><subject>Plantations</subject><subject>Rivers</subject><subject>Salinity</subject><subject>Seeds</subject><issn>2073-4441</issn><issn>2073-4441</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqVTs1OwzAMjhBITLADb-AX2JaSdFuPCMbYYQgVLpyQ17qrUZqgJKXisXhD2oEEV3yx5e9XiItETpXK5KxLUqlkqudHYnQpF2qitU6O_9ynYhzCq-xHZ8tlKkfi8x5j69FATnuy5DGys-Aq2GydbwOg2eFsA2xhk7sdW0Z4C9SWDgsseIAeDNr4LUNbQqwJtlTUaDk0g9EjUQlr8g3bX9YKvfk4QIbtHtbedbHuO4TouTiw-sTB6pmMcR3k_E4ebshEPBcnFZpA4599Jqa3q6fru8keDb2wrVz0QzksqeHCWaq4_18tMpXO9UIt1b8FXwZjb4Q</recordid><startdate>20230201</startdate><enddate>20230201</enddate><creator>Wang, Mengyao</creator><creator>Zhu, Xiangyuan</creator><creator>Liu, Wei</creator><creator>Wang, Kexin</creator><creator>Tan, Chunxia</creator><creator>Liu, Guangfang</creator><creator>Mao, Peili</creator><creator>Cao, Banghua</creator><creator>Jia, Bo</creator><creator>Pang, Yuanxiang</creator><creator>Jiang, Fucheng</creator><general>MDPI AG</general><scope/></search><sort><creationdate>20230201</creationdate><title>Natural Regeneration of IMorus alba/I in IRobinia pseudoacacia/I Plantation and the Mechanism of Seed Germination and Early Seedling Growth Restriction in the Yellow River Delta</title><author>Wang, Mengyao ; Zhu, Xiangyuan ; Liu, Wei ; Wang, Kexin ; Tan, Chunxia ; Liu, Guangfang ; Mao, Peili ; Cao, Banghua ; Jia, Bo ; Pang, Yuanxiang ; Jiang, Fucheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-gale_infotracacademiconefile_A7935647383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Germination</topic><topic>Growth</topic><topic>Plantations</topic><topic>Rivers</topic><topic>Salinity</topic><topic>Seeds</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Mengyao</creatorcontrib><creatorcontrib>Zhu, Xiangyuan</creatorcontrib><creatorcontrib>Liu, Wei</creatorcontrib><creatorcontrib>Wang, Kexin</creatorcontrib><creatorcontrib>Tan, Chunxia</creatorcontrib><creatorcontrib>Liu, Guangfang</creatorcontrib><creatorcontrib>Mao, Peili</creatorcontrib><creatorcontrib>Cao, Banghua</creatorcontrib><creatorcontrib>Jia, Bo</creatorcontrib><creatorcontrib>Pang, Yuanxiang</creatorcontrib><creatorcontrib>Jiang, Fucheng</creatorcontrib><jtitle>Water (Basel)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Mengyao</au><au>Zhu, Xiangyuan</au><au>Liu, Wei</au><au>Wang, Kexin</au><au>Tan, Chunxia</au><au>Liu, Guangfang</au><au>Mao, Peili</au><au>Cao, Banghua</au><au>Jia, Bo</au><au>Pang, Yuanxiang</au><au>Jiang, Fucheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Natural Regeneration of IMorus alba/I in IRobinia pseudoacacia/I Plantation and the Mechanism of Seed Germination and Early Seedling Growth Restriction in the Yellow River Delta</atitle><jtitle>Water (Basel)</jtitle><date>2023-02-01</date><risdate>2023</risdate><volume>15</volume><issue>3</issue><issn>2073-4441</issn><eissn>2073-4441</eissn><abstract>There is a wide range of naturally regenerated Morus alba in the declining Robinia pseudoacacia plantation of the Yellow River Delta. It is important to clarify the key mechanism of natural regeneration of M. alba for the transformation of declining R. pseudoacacia plantation. According to the death density of R. pseudoacacia, the plantation of R. pseudoacacia was divided into nondeclining, moderately declining, and severely declining forests. The structural characteristics of adult trees and seedlings of M. alba in different decline degrees forest were investigated. A pot experiment was conducted to study the seed germination and early seedling growth of M. alba in saline alkali soil and nonsaline alkali soil under different soil salt contents and light intensities. The results showed that the natural regeneration of M. alba was obviously affected by the decline of R. pseudoacacia plantation. With the increase of decline degree, M. alba density and seedling density first increased and then decreased, and were the highest in the medium decline plantation. Under full light intensity, the vigor index of M. alba seeds and the biomass of seedlings were significantly greater than those of 25% full light intensity. The germination rate and germination index under 1‰ soil salt content were significantly lower than those under 3‰, but the biomass of seedlings was on the contrary. The 1000-seed weight, seed germination, and seedling biomass of moderately declining R. pseudoacacia plantations were close to those of nonsaline alkali land, while significantly higher than those of nondeclining plantations, but the germination index of moderately declining R. pseudoacacia plantation was higher than that of nonsaline alkali land. Therefore, the germination ability of maternal trees in saline alkali land was higher than that in nonsaline alkali land under salt stress.</abstract><pub>MDPI AG</pub><doi>10.3390/w15030546</doi></addata></record> |
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| subjects | Germination Growth Plantations Rivers Salinity Seeds |
| title | Natural Regeneration of IMorus alba/I in IRobinia pseudoacacia/I Plantation and the Mechanism of Seed Germination and Early Seedling Growth Restriction in the Yellow River Delta |
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