The Ecological Impact of Allelopathy in Ailanthus Altissima (Simaroubaceae)

Lawrence, Jeffrey G.; Colwell, Alison E. L.; Sexton, Owen J.

doi:10.1002/j.1537-2197.1991.tb14498.x

Cited by 66 publications

(25 citation statements)

References 23 publications

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“…Interestingly, the aqueous extracts of C. canadensis at all concentrations had no significant effect on its own the germination and shoot length. Lawrence et al (1991) showed that the extracts of Ailanthus altissima inhibited the growth of germinated seedlings of 8 North American native species with no autotoxic effects. Dorning & Cipollini (2006) also found an invasive shrub, Lonicera maackii that inhibited seed germination in both native and non-native forbs, without any autotoxicity.…”

Section: Discussionmentioning

confidence: 99%

Aqueous tissue extracts of Conyza canadensis inhibit the germination and shoot growth of three native herbs with no autotoxic effects

Hu¹,

Zhang²

2013

Planta daninha

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-Conyza canadensis is a widespread weed species forming dense populations in most regions of China. Petri dish bioassays with aqueous extracts of the aboveground parts and roots of C. canadensis at three concentrations (0.05, 0.1, and 0.2 g mL -1) were undertaken to investigate the autotoxic effects of C. canadensis, and the possible effects on three dominant native weed species, Plantago asiatica, Digitaria sanguinalis and Youngia japonica. The results showed that seed germination and the shoot length of three native species were significantly inhibited by aqueous extracts of C. canadensis at almost all concentrations that generally increased with increasing extract concentration. However, the seed germination and shoot length of C. canadensis itself was not significantly affected by the same extracts at all concentrations. These results suggested that the potential allelopathic compounds produced by the tissue of C. canadensis may contribute to its invasive success in invading southern China.Keywords: invasive alien weed, allelopathy, petri dish bioassay. Palavras-chave: planta daninha invasiva alienígena, alelopatia, bioensaio em placa de Petri. RESUMO -

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Section: Discussionmentioning

confidence: 99%

Aqueous tissue extracts of Conyza canadensis inhibit the germination and shoot growth of three native herbs with no autotoxic effects

Hu¹,

Zhang²

2013

Planta daninha

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“…Thus, it can be applied to any zone or species, both in Croatia and beyond. Ailanthus altissima is a highly invasive species with significant negative effects on ecosystem services: it leads to decreased biodiversity [54,55] and other ecological impacts [56,57], can be an allergen, and also has other effects on human health and structures [58,59]. The presence of A. altissima was previously screened in Croatia by Idžojtić and Zebec [27] and their results showed a high level of infestation in all regions.…”

Section: Harmfulnessmentioning

confidence: 99%

Citizen Science as a Tool in Biological Recording—A Case Study of Ailanthus altissima (Mill.) Swingle

Sladonja

Poljuha

2018

Forests

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Non-native invasive species frequently appear in urban and non-urban ecosystems and may become a threat to biodiversity. Some of these newcomers are introduced accidentally, and others are introduced through a sequence of events caused by conscious human decisions. Involving the general public in biodiversity preservation activities could prevent the negative consequences of these actions. Accurate and reliable data collecting is the first step in invasive species management, and citizen science can be a useful tool to collect data and engage the public in science. We present a case study of biological recording of tree of heaven (Ailanthus altissima (Mill.) Swingle) using a participatory citizen model. The first goal in this case study was to develop a cheap, widely accessible, and effective inventory method, and to test it by mapping tree of heaven in Croatia. A total of 90.61 km of roads and trails was mapped; 20 single plants and 19 multi-plant clusters (mapped as polygons) were detected. The total infested area was 2610 m 2 . The second goal was to educate citizens and raise awareness of this invasive species. The developed tool and suggested approach aided in improving invasive risk management in accordance with citizen science principles and can be applied to other species or areas.

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“…These species are known for their sensitivity to allelopathic substances. Lettuce and garden cress are frequently used for bioassays (Heisey, 1990;Lawrence et al, 1991). Yellow flax was chosen because it naturally grows in Mediterranean ecosystems, S France, and because it is sensitive to allelochemicals (Deleuil, 1950).…”

Section: Methodsmentioning

confidence: 99%

Allelopathic potential of Medicago arborea, a Mediterranean invasive shrub

et al. 2005

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Summary. Biological invasions are nowadays a major problem in ecology. Allelopathy has been shown to be involved in such invasions, but this mechanism has been little studied in France. The objectives of this study were to evaluate the allelopathic potential of Medicago arborea, an invasive species in the French Mediterranean region. Foliar extracts were tested on three target species (Lactuca sativa, Lepidium sativum and Linum strictum). We showed that Medicago arborea has high allelopathic potential to affect the growth and germination of other species. Yellow flax (Linum strictum), native to the invaded area, was the most sensitive of the tested plant species to foliar extracts of Medicago arborea. Our study pointed out the role of allelopathy in processes leading to biological invasion, and more generally in population dynamics.

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The Ecological Impact of Allelopathy in Ailanthus Altissima (Simaroubaceae)

Cited by 66 publications

References 23 publications

Aqueous tissue extracts of Conyza canadensis inhibit the germination and shoot growth of three native herbs with no autotoxic effects

Aqueous tissue extracts of Conyza canadensis inhibit the germination and shoot growth of three native herbs with no autotoxic effects

Citizen Science as a Tool in Biological Recording—A Case Study of Ailanthus altissima (Mill.) Swingle

Allelopathic potential of Medicago arborea, a Mediterranean invasive shrub

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