Developing Control Strategies Against Common Milkweed (Asclepias Syriaca L.) on Ruderal Habitats

Zalai, Mihály; Poczok, László; Dorner, Zita; Körösi, Katalin; Pálinkás, Zoltán; Szalai, Márk; Pintér, Orsolya

doi:10.5644/herb.16.2.07

Cited by 10 publications

(16 citation statements)

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“…A study has reported that one-time cultivation (as a mechanical control) has no effects on milkweed abundance in arable lands [77]. Zalai et al [78] reported that resprouting only becomes stronger in such cases. Badalamenti et al [16] found a similar effect in a study on Ailanthus altissima.…”

Section: Discussionmentioning

confidence: 99%

“…To adequately control common milkweed, the bud banks of its roots and lateral roots must be eliminated. Control or eradication is an increasingly important action from both agricultural and conservation perspectives [20,68,[76][77][78]. Complicating matters is the fact that extermination itself can create suitable conditions for colonization (e.g., soil disturbance), and large areas can become permanently milkweed-free only with coordinated efforts and at enormous costs [68].…”

Section: Introductionmentioning

confidence: 99%

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Survival and regeneration ability of clonal common milkweed (Asclepias syriaca L.) after a single herbicide treatment in natural open sand grasslands

Bakacsy

Bíró

2020

Preprint

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Background: Invasive species are a major threat to biodiversity, human health, and economies worldwide. The cost of the damages and the fight against them exceeds 9.6–12.7 billion euros annually for European Union. The Pannonic open sand grasslands represent important endemic habitats in European Union and are threatened by the spread of several invasive plant species. Among them, the common milkweed Asclepias syriaca L. has already transformed large areas of natural vegetation and endangered the others. The need for management of alien plants is urgent in both agricultural and protected areas. Herbicide treatment may be a cost-effective method for controlling the extended stand of milkweed even in protected areas. Therefore, this study monitored the herbicide treatment effects on A. syriaca before, during, and after treatment in a strictly protected UNESCO biosphere reserve near Fülöpháza from 2011 to 2017. The entire stand was treated with glyphosate in May 2014. We used simple data processing methods to follow the fate of individual shoots. Results: The 7-year data showed that treatment was successful for a short term (the year of treatment and the following year). The number of A. syriaca shoots in the stand decreased following herbicide treatment, with 73% of the shoots dying. In the first year after treatment, the number of shoots decreased continuously as herbicides were translocated by rhizomatic roots, thereby damaging dormant bud banks. Conclusions: The surviving buds adjusted to the number of emerging shoots in the years after treatment, and growth of the milkweed stand appeared to show a slow regeneration for a longer-term period. We concluded that the successful control of A. syriaca after herbicide treatment depends on continuous management (e.g., further point spraying) of treated areas to suppress possible regrowth during subsequent seasons. Therefore, periodic control is highly recommended because one-time treatment is insufficient.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Survival and regeneration ability of clonal common milkweed (Asclepias syriaca L.) after a single herbicide treatment in natural open sand grasslands

Bakacsy

Bíró

2020

Preprint

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“…However, Bhowmik (1994) pointed out that mowing (cutting) leads to the formation of larger colonies of A. syriaca by inducing lateral root buds to sprout. Indeed, Zalai et al (2017) demonstrated that shoots of A. syriaca were able to regrow and recover within 2 weeks after repeated cutting in a nature conservation area in Hungary. In addition, A. syriaca can be found along railway tracks in the study area ( Figure 2), and the model also suggests that grid cells with railway tracks are significantly more populated by A. syriaca than without (Table 1).…”

Section: Factors Promoting Spread Along Roadsides In the Marchfeld Rementioning

confidence: 99%

“…However, optimal and frequent cutting dates need to be determined and cannot always be achieved in practice because of organizational challenges for road maintenance depots and the increase in workload and costs. In this respect, A. syriaca is supposed to be more susceptible to mowing before flowering than at an early growth stage (Zalai et al, 2017). Although herbicides can be used to control the species (e.g., Bhowmik, 1994;Zalai et al, 2017), they are generally not used along roadsides in Austria.…”

Section: Management Options Along Roadsides In the Marchfeld Regionmentioning

confidence: 99%

“…In this respect, A. syriaca is supposed to be more susceptible to mowing before flowering than at an early growth stage (Zalai et al, 2017). Although herbicides can be used to control the species (e.g., Bhowmik, 1994;Zalai et al, 2017), they are generally not used along roadsides in Austria. If A. syriaca densities are to be lowered in the study area and elsewhere, emphasis should be placed on a proper roadside management (e.g., continuous mowing, removal of A. syriaca populations followed by seeding fast-growing and/or competitive plant species; Schuster et al, 2018) and the control in the respective adjacent habitat (periodic maintenance of old fields, control along the crop field border by spot treatment and/or frequent soil cultivation; Bhowmik, 1994).…”

Section: Management Options Along Roadsides In the Marchfeld Regionmentioning

confidence: 99%

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Roads support the spread of invasive Asclepias syriaca in Austria

Follak

Schleicher

Schwarz

2018

Die Bodenkultur: Journal of Land Management, Food and Environment

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Summary Asclepias syriaca is an invasive alien plant that has recently spread in Central Europe. The spatiotemporal spread of A. syriaca was reconstructed based on the distribution data for Austria. A. syriaca has increased in abundance and range, especially after the year 2005. At present, the species occurs primarily in eastern Austria (Vienna, Lower Austria), while it was rarely recorded in southern and western Austria. Further spread and range filling is probable. Moreover, the distribution of A. syriaca along roadsides and the role of road type and adjoining land use in facilitating its spread were studied in an area of high presence of the species in Lower Austria in 2018. It was shown that A. syriaca occurred regularly along roadsides and the chance of finding A. syriaca was higher along unpaved roads and along roadsides bordered by forests and grassland. The results indicate that the road network contributes to the spread of A. syriaca in the study area, most likely by providing suitable and well connected habitats. If A. syriaca densities are to be lowered, emphasis should be placed on both a proper roadside management (e.g., mowing regimes) and on the control of the species in the respective adjacent habitat.

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Vulnerability of non-native invasive plants to novel pathogen attack: do plant traits matter?

2022

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Developing Control Strategies Against Common Milkweed (Asclepias Syriaca L.) on Ruderal Habitats

Cited by 10 publications

References 0 publications

Survival and regeneration ability of clonal common milkweed (Asclepias syriaca L.) after a single herbicide treatment in natural open sand grasslands

Survival and regeneration ability of clonal common milkweed (Asclepias syriaca L.) after a single herbicide treatment in natural open sand grasslands

Roads support the spread of invasive Asclepias syriaca in Austria

Vulnerability of non-native invasive plants to novel pathogen attack: do plant traits matter?

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