Fragment growth performance of the invasive submerged macrophyte Myriophyllum spicatum under conditions of different water depths and sediment types

Li, Feng; Zhu, Lianlian; Xie, Yonghong; Shen, Liang; Hu, Changjin; Chen, Xinsheng; Deng, Zhong-Shan

doi:10.1007/s10452-016-9589-9

Cited by 11 publications

(5 citation statements)

References 23 publications

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“…It is well understood that submerged plants not only have some fixing properties on the sediment, but can also enhance water quality (Sabine et al ; Li et al ). The findings from the current study showed that L was most appropriate for V. natans growth and development among the four sediment types and proved to be more suitable for absorbing TN, TP, NH 4 + ‐N, and NO 3 − ‐N nutrients.…”

Section: Discussionmentioning

confidence: 99%

“…Artificial restoration of submerged vegetation is of great practical significance because the potential of degraded/eutrophic lakes to recover themselves is quite weak. During the restoration process, several variables in the aquatic environment, such as light, water depth, nutrient, sediment type, and plant density, influence the growth, development, and colonization of submerged macrophytes (Dobberfuhl ; Xiao et al ; Deborah & Peter ; Sousa et al ; Li et al ; Verhofstad et al ; Yan et al ). Taking root well for submerged macrophytes is one of the important signs of successful restoration, while the characteristics of sediment play the most important role in the root growth and activity of submerged macrophytes.…”

Section: Introductionmentioning

confidence: 99%

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Sediment type and the clonal size greatly affect the asexual reproduction, productivity, and nutrient absorption of Vallisneria natans

Lin

Fan

Jin

et al. 2019

Restoration Ecology

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Most aquatic vegetation restorations involve the transplantation of submerged macrophytes. Sediment type and the clonal size are of great significance as they determine the fate of submerged macrophytes. In order to ensure successful restoration, a simulation experiment was conducted using aquarium mesocosms to investigate the response of stolon propagation capacity, the morphological features and productivity of Vallisneria natans for four types of sediment (lake mud [L], lake mud + sand [L + S, 50:50, v/v mixture], sand [S], clay [C]), and three types of clonal sizes. Results showed that sediment types significantly affected V. natans biomass accumulation, stolon propagation ability, ramet morphological characteristics, and productivity, where the asexual reproduction ability and productivity ranked as L > L + S > S > C in four sediment types. Total biomass, maximum net production, number of ramets, root diameter, number of stolons, and stolon propagation rate were all highest in L. In L and L + S, the plant chlorophyll content was higher than in S and C. The root diameter and the ratio of aboveground/underground biomass in S were the smallest among the four sediments. Moreover, when more V. natans seedlings were linked, more ramets and biomass were produced. The stolon propagation rate was ranked as the stolon with single seedling greater than the stolon with two‐linked seedlings greater than the stolon with three‐linked seedlings in L and L + S. The concentration of total nitrogen, total phosphorus, and NO3−‐N in water was remarkably reduced in four aquariums. Findings provide a scientific basis for restoring submerged macrophytes in different sediment settings.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Sediment type and the clonal size greatly affect the asexual reproduction, productivity, and nutrient absorption of Vallisneria natans

Lin

Fan

Jin

et al. 2019

Restoration Ecology

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“…There was a reduction in regeneration for both types of fragments with increasing floating depth, stolon length, and branch number; shoot biomass was reduced by 86, 87, and 95% for the stolon nodes and 21, 48 and 57% for the stolon tips, respectively, at a floating depth of 6 cm. In wetlands, the depth of the water is one of the most important factors determining plant colonization, growth, and regeneration (Li et al, 2016;Shibayama & Kadono, 2007). After fragmentation, reserves in leaves and stems provide carbohydrates and proteins for the development of new roots and leaves, which contribute to the survival and re-growth of triquetrous murdannia fragments.…”

Section: Effects Of Floating Depth On Stolon Fragment Regenerationmentioning

confidence: 99%

Regenerative capacity and response to pre‐emergent herbicides by stolon fragments of triquetrous murdannia (Murdannia triquetra) in rice

Tang

Zhong

Chen

et al. 2020

Weed Biology and Management

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Triquetrous murdannia is an annual stoloniferous weed commonly found in wheat‐rice rotation fields in China. Disturbance after wheat harvesting can fragment stolons of triquetrous murdannia, and the regeneration of these fragments may contribute to the spread of this weed. In this study, the regenerate capacity and response to pre‐emergence (PRE) herbicides of stolon fragment of triquetrous murdannia were evaluated in a screenhouse. The experiment consisted of two types of single node fragments (2‐cm stolon node and five‐leaf stolon tips) placed under different floating, flooding and burial depth conditions. Results indicated that floating depth did not influence the survival of the two types of fragments but significantly decreased their growth (stolon length, number of branches, and biomass). The stolon nodes were more sensitive to flooding than stolon tips; no stolon node survived at a flooding depth of 6 cm. The highest survival was observed for fragments placed on the soil surface, and no fragments buried to a depth of 2 cm survived. PRE application of benzobicyclon, butachlor, metazosulfuron, and triafamone significantly decreased the branching and biomass of the stolon nodes; however, only triafamone and metazosulfuron significantly inhibited the regeneration of the stolon tips. These results suggest that stolon fragments with one node are likely to promote vegetative reproduction in triquetrous murdannia, and thus, disturbance may contribute to the spread of this weed. Tillage to bury fragments below their maximum regeneration depth and application of an effective PRE herbicide could serve as important tools for managing triquetrous murdannia.

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“…Before the experiment, ten seedlings of C. brevicuspis and ten seedlings of P. hydropiper were divided into aboveground and belowground parts, oven-dried, and weighed for the calculation of plant RGR (Li et al, 2016). The experiment combined three water levels (-30 cm, 0 cm, and 30 cm relative to the soil surface) and three sediment types (clay, sand, 1:1 clay-sand mixture) with the two species in a factorial design with five replicates ( Table 1).…”

Section: Experimental Designmentioning

confidence: 99%

Testing the Growth Rate Hypothesis in Two Wetland Macrophytes Under Different Water Level and Sediment Type Conditions

Yang

et al. 2020

Front. Plant Sci.

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Fragment growth performance of the invasive submerged macrophyte Myriophyllum spicatum under conditions of different water depths and sediment types

Cited by 11 publications

References 23 publications

Sediment type and the clonal size greatly affect the asexual reproduction, productivity, and nutrient absorption of Vallisneria natans

Sediment type and the clonal size greatly affect the asexual reproduction, productivity, and nutrient absorption of Vallisneria natans

Regenerative capacity and response to pre‐emergent herbicides by stolon fragments of triquetrous murdannia (Murdannia triquetra) in rice

Testing the Growth Rate Hypothesis in Two Wetland Macrophytes Under Different Water Level and Sediment Type Conditions

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