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. 2022 Nov 15;12(11):1898.
doi: 10.3390/life12111898.

Effect of Soil Type on Native Pterocypsela laciniata Performance under Single Invasion and Co-Invasion

Rakhwe Kama  1   2 , Qaiser Javed  1 , Yuan Liu  2 , Zhongyang Li  2   3 , Babar Iqbal  1 , Sekouna Diatta  4 , Jianfan Sun  1
Affiliations

Effect of Soil Type on Native Pterocypsela laciniata Performance under Single Invasion and Co-Invasion

Rakhwe Kama et al. Life (Basel). .

Abstract

Native and invasive plant competition is usually controlled by the soil properties and the soil type underlying interspecific interactions. However, many uncertainties exist regarding the impact of soil type on native plant growth under single invasion and co-invasion despite the significant number of previous studies that focused on plant invasion. This study aims to elucidate the effects of soil type on the response of the native plant Pterocypsela laciniata under single invasion and co-invasion. Three different soils were used: natural soil, nutrient soil, and nutrient sterilized soil. The native P. laciniata was grown in monoculture and under single invasion and co-invasion with Solidago canadensis and Aster subulatus Michx. The results show that the native plant height and total biomass were 75% and 93.33% higher, respectively, in nutrient sterilized soil in monoculture than in natural and nutrient soil. In contrast, the native P. laciniata presents its best competitive ability in nutrient sterilized soil, being about 100% higher than in natural and nutrient soil under single invasion and co-invasion. However, no significant increase was observed in its growth parameters under co-invasion compared to single invasion. Conclusively, this study shows that nutrient soil sterilization positively affects native plant growth in monoculture and under single invasion, contrasting co-invasion in which more pronounced negative effects were observed on the native plant response.

Keywords: Pterocypsela laciniata; co-invasion; single invasion; soil diversity; soil type.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Effect of invasive plants and soil diversity on the native P. laciniata (a) plant height and (b) stem diameter under single invasion and co-invasion in different soils. Mean + SE with different letters indicates a significant difference among mono- and mixed-culture treatments (at p < 0.05). CK: Pterocypsela laciniata (Pl) growth in monoculture, PlSc: Pl grown under single invasion with Solidago Canadensis, PlAs: Pl grown under single invasion with Aster subulatus Michx, PlScAs: Pl grown under co-invasion of Solidago Canadensis and Aster subulatus Michx, N: natural soil, NS: nutrient soil, NSS: nutrient sterilized soil.
Figure 2
Figure 2
Temporal growth of the native plant P. laciniata under different soil conditions. Mean + SE with different letters indicates a significant difference among mono- and mixed-culture treatments (at p < 0.05).
Figure 3
Figure 3
Effect of invasive plants and soil diversity on the native P. laciniata total biomass (a) and root/shoot ratio (b) under single invasion and co-invasion in manipulated soil conditions. Mean + SE with different letters indicates a significant difference among mono- and mixed-culture treatments (at p < 0.05). CK: Pterocypsela laciniata (Pl) growth in monoculture, PlSc: Pl grown under single invasion with Solidago Canadensis, PlAs: Pl grown under single invasion with Aster subulatus Michx, PlScAs: Pl grown under co-invasion of Solidago Canadensis and Aster subulatus Michx.
Figure 4
Figure 4
Effects of invasive identity and diversity on the native plant competitive interaction index. Mean + SE with different letters indicates a significant difference among mono- and mixed-culture treatments (at p < 0.05). PlSc: Pl grown under single invasion with Solidago Canadensis, PlAs: Pl grown under single invasion with Aster subulatus Michx, PlScAs: Pl grown under co-invasion of Solidago Canadensis and Aster subulatus Michx.
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