Floristic characteristics of alien invasive seed plant species in China

Wang, Congyan; Jun, Liu; Xiao, Hongguang; Zhou, Jiawei; Du, Daolin

doi:10.1590/0001-3765201620150687

Cited by 54 publications

(22 citation statements)

References 10 publications

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“…In addition, goldenrod and lettuce often co‐exist in fields, particularly in farmland and wildland. Goldenrod and lettuce are both members of the Asteraceae , which is the plant family with most species of IAS in China (Weber et al 2008; Yan et al 2014; Wang et al 2016b).…”

Section: Methodsmentioning

confidence: 99%

Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Wei

Shu

et al. 2020

Plant Biol J

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• Large amounts of heavy metals have been released into the environment. Thus, the allelopathic effects of invasive alien species on the germination performance of cooccurring indigenous species may be altered or even heightened with the rapid growth in heavy metal pollution. • This study evaluated the impacts of Canada goldenrod (Solidago canadensis L.) leaf extracts at concentrations of 0, 10 or 20 gl 1 on the germination of lettuce under different forms of heavy metal pollution (Cu 2+ , Pb 2+ or a combination of Cu 2+ and Pb 2+ ; 35 mgl 1) during incubation in Petri dishes for 10 days. • Goldenrod leaf extracts (high concentration) reduced growth of aboveground and belowground parts of lettuce as well as competition for light and soil nutrients. However, low concentrations of goldenrod leaf extracts dramatically improved growth of lettuce roots, competition for light, soil nutrient availability, leaf photosynthetic area and growth competitiveness. The combination of goldenrod leaf extracts and heavy metal pollution was synergistic on most lettuce germination parameters, probably because high concentrations of goldenrod leaf extracts together with heavy metal pollution had a synergistic negative impact on lettuce germination. • Consequently, increased levels of heavy metal pollution may favour invasion of invasive alien species while largely suppressing germination of indigenous species.

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Section: Methodsmentioning

confidence: 99%

Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Wei

Shu

et al. 2020

Plant Biol J

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“…Goldenrod and lettuce can cohabit in the same habitat, mainly in cropland. In addition, both goldenrod and lettuce are members of Composite, which comprises the highest species number of IAS in China at the family level currently [30,31]. As a perennial herb, goldenrod is originated in North America (mainly Canada) and first appeared in China as an ornamental plant in the beginning of Nineteen Thirties.…”

Section: Introductionmentioning

confidence: 99%

Drought Enhanced the Allelopathy of Goldenrod on the Seed Germination and Seedling Growth Performance of Lettuce

Wu¹,

Wu²,

Cheng³

et al. 2020

Pol. J. Environ. Stud.

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Invasive alien species (IAS) can distinctly inhibit seed germination and seedling growth performance (SGeSGrP) of indigenous species via the allelopathy. The progressively increased drought stress can potentially affect the allelopathy of IAS. Thus, it is significant to illustrate the allelopathy of IAS on SGeSGrP of indigenous species under drought stress to obtain a deeper elucidation for the main driving mechanism attributed to the successful invasion. This study attempts to identify the allelopathy of IAS Solidago canadensis L. (goldenrod; using leaf extracts) on SGeSGrP of the indigenous species Lactuca sativa L. (lettuce) under drought stress [mimicked by Polyethylene glycol-6000 (PEG 6000)]. Goldenrod leaf extracts (low concentration) obviously reduced seed germination performance of lettuce but goldenrod leaf extracts (high concentration) notably reduced seedling growth performance of lettuce. Goldenrod leaf extracts (low concentration) also interestingly awarded an optimistic effect on the competitive ability for sunlight acquisition as well as water and inorganic salt acquisition, plant growing ability, and plant water content of lettuce. PEG 6000 dramatically inhibited the competitive ability for sunlight acquisition as well as water and inorganic salt acquisition of lettuce. PEG 6000 also noticeably enhanced the allelopathy of goldenrod leaf extracts on the germination speed and vitality, competitive ability for sunlight acquisition as well as water and inorganic salt acquisition, leaf photosynthetic area, and plant growing ability of lettuce. Thus, drought stress may be advantageous to the advance of goldenrod invasion process mainly via the oppressed SGeSGrP of indigenous species mediated by the enhanced allelopathy.

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“…E. canadensis is an herbaceous annual weed that is native to the Northern parts of North America (mainly the United States and Canada) (Hao, Qiang, Chrobock, Kleunen, & Liu, 2011;Shah et al, 2014). E. canadensis belongs to the Asteraceae, which comprises the largest number of species of IAS in China at the family level (Wang, Liu, Xiao, Zhou, & Du, 2016;Weber, Sun, & Li, 2008;Yan et al, 2014). In China, E. canadensis was first reported in Yantai, Shandong Province in 1862 (Hao et al, 2011;Xie, Li, Gregg, & Dianmo, 2001) and has been listed as one of the most destructive and widespread IAS in China because it poses a severe threat to the diversity and/or abundance of co-occurring plants (Hao et al, 2011;Weber et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Erigeron canadensis affects the taxonomic and functional diversity of plant communities in two climate zones in the North of China

Zhang²,

Jiang

et al. 2019

Ecological Research

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Plant communities across multiple climate zones are at risk of invasive species. Understanding the effects of invasive alien species on both the taxonomic and functional diversities of plant communities in different climate zones enables insight into the mechanisms underlying successful invasions. This study investigated the effects of Erigeron canadensis at different degrees of invasion on both the plant taxonomic and functional diversities in the Chinese zones of Jinan (warm temperate climate) and Zhenjiang (north subtropical climate). A high degree of E. canadensis invasion resulted in a stronger decrease of plant diversity compared to a light degree of E. canadensis invasion. This may be because E. canadensis invasion can lead to a decrease in the number of native species via competition and subsequent local extinction. A high degree of E. canadensis invasion increased the Rao's quadratic entropy of plant height and ground cover. This may be because both the plant height and ground cover of E. canadensis and natives increased with increasing degree of E. canadensis invasion. The number of plant species in plant communities was lower in Jinan than in Zhenjiang. This is presumably because E. canadensis grows better in Jinan than in Zhenjiang and therefore, rare species are more likely to go extinct there. A small number of functional diversity indices of Jinan plant communities were higher than those of Zhenjiang. This may be due to the higher value of functional traits of E. canadensis in Jinan.

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Floristic characteristics of alien invasive seed plant species in China

Cited by 54 publications

References 10 publications

Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Drought Enhanced the Allelopathy of Goldenrod on the Seed Germination and Seedling Growth Performance of Lettuce

Erigeron canadensis affects the taxonomic and functional diversity of plant communities in two climate zones in the North of China

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