Findings in the adventive flora of Novosibirsk Region

doi:10.14258/turczaninowia.22.3.6

Cited by 2 publications

(1 citation statement)

References 2 publications

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“…Because of the high competitiveness of the cup plant -especially under moist conditions -a suppression of native species is conceivable there, and therefore a risk for biodiversity is possible (Ende et al 2023). In some regions of Europe, dominance stocks of cup plant are already recorded (Brennenstuhl 2010;Zykova and Shaulo 2019;Vladimirov 2021;Shynder et al 2022). Hence, cup plant should be cultivated far away from watercourses and moist ecosystems to prevent a dispersal by water and a colonisation of these ecosystems.…”

Section: Discussionmentioning

confidence: 99%

Dispersal and persistence of cup plant seeds (Silphium perfoliatum): do they contribute to potential invasiveness?

Ende,

Hummel,

Lauerer

2024

plecevo

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Background and aims – The cup plant (Silphium perfoliatum) is being grown in Germany as a promising new bioenergy crop with an increasing area under cultivation in the last years. Its alien status, its high productivity, and high reproductive potential could carry the risk of this species becoming invasive. The present study investigates the dispersal and persistence of cup plant seeds, to contribute to the assessment of its invasive potential. Material and methods – For this purpose, four experimental studies were conducted in Germany, Central Europe: wind dispersal distance was measured in a field experiment for wind speeds up to 7 m.s-1. The seeds were offered to rodents in different habitats near to a cup plant field. We observed seed persistence and germination over 4 weeks storing in water and over 4 years storing in different soil depths. Key results – Cup plant seeds are dispersed by wind only over a few meters. In the forest, rodents removed 100% of the offered seeds, in open habitats none. Independent of the duration of storage in water, germination rate of the cup plant seeds was constantly high. Most of the seeds already germinated in water in the first two weeks. Stored on the soil surface and at 10 cm soil depth, the seeds germinated already in the first two years. Stored at 30 cm depth, one third of the seeds retained their germination ability over four years. Conclusion – Wind serves as short-distance dispersal vector for cup plant seeds. Rodents remove the seeds, but it is unknown whether they disperse them or just eat them. Water could disperse the seeds, which retain their germination ability, over long distances. The cup plant could therefore spread and possibly become invasive in Central Europe, and therefore measures are suggested to prevent its dispersal and spontaneous settlement.

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Section: Discussionmentioning

confidence: 99%

Dispersal and persistence of cup plant seeds (Silphium perfoliatum): do they contribute to potential invasiveness?

Ende,

Hummel,

Lauerer

2024

plecevo

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Адвентивная Флора Новосибирской Области

Zykova¹

2019

abs

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Впервые cоставлен конспект адвентивной флоры Новосибирской области, насчитывающий 305 видов. 34 из них проявляют себя в качестве инвазивных. Показаны экологическая приуроченность видов, распространение по административным районам, отмечены способ заноса и степень натурализации на территории области. Критически обработаны коллекции Центрального сибирского ботанического сада, расширено представление о распространении 74 видов, 19 из которых являются редко встречающимися в области чужеземными видами.

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Findings in the adventive flora of Novosibirsk Region

Cited by 2 publications

References 2 publications

Dispersal and persistence of cup plant seeds (Silphium perfoliatum): do they contribute to potential invasiveness?

Dispersal and persistence of cup plant seeds (Silphium perfoliatum): do they contribute to potential invasiveness?

Адвентивная Флора Новосибирской Области

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