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25 results for “common ragweed”
Supplementary material 5 from: Lommen STE, Jongejans E, Leitsch-Vitalos M, Tokarska-Guzik B, Zalai M, Müller-Schärer H, Karrer G (2018) Time to cut: population models reveal how to mow invasive common ragweed cost-effectively. NeoBiota 39: 53-78. https://doi.org/10.3897/neobiota.39.23398
Parametrisation of population models of experimental mowing treatments (model parameterisation) :
Supplementary material 4 from: Lommen STE, Jongejans E, Leitsch-Vitalos M, Tokarska-Guzik B, Zalai M, Müller-Schärer H, Karrer G (2018) Time to cut: population models reveal how to mow invasive common ragweed cost-effectively. NeoBiota 39: 53-78. https://doi.org/10.3897/neobiota.39.23398
Parametrisation of population models of unmanaged references (model parameterisation) :
Supplementary material 2 from: Lommen STE, Jongejans E, Leitsch-Vitalos M, Tokarska-Guzik B, Zalai M, Müller-Schärer H, Karrer G (2018) Time to cut: population models reveal how to mow invasive common ragweed cost-effectively. NeoBiota 39: 53-78. https://doi.org/10.3897/neobiota.39.23398
Demographic survey of reference populations (location table, methods) :
Supplementary material 1 from: Lommen STE, Jongejans E, Leitsch-Vitalos M, Tokarska-Guzik B, Zalai M, Müller-Schärer H, Karrer G (2018) Time to cut: population models reveal how to mow invasive common ragweed cost-effectively. NeoBiota 39: 53-78. https://doi.org/10.3897/neobiota.39.23398
Analysis of mowing experiment data (statistical analysis of empirical data) :
Three inhibitory phenolic acids against common ragweed (Ambrosia artemisiifolia L.) had a minimal effect on maize growth in vitro and in vivo
<p><span>With the increasing demand for non-chemical weed control methods, phenolic acids have shown promise due to their natural weed inhibitory potential. In this study, the inhibitory effect of </span><span>ferulic acid, vanillic acid and <em>p</em>-coumaric acid was investigated on <em>Ambrosia artemisiifolia</em> L. and the selectivity of <em>Zea mays</em> L. against these phenolic acids was tested. The seeds of <em>A. artemisiifolia</em> and <em>Z. mays</em> were treated <em>in vitro</em> with <em>three phenolic acids</em> at doses of 200 - 600 × 10<sup>-7</sup> mol and <em>in vivo</em> foliar on <em>A. artemisiifolia</em> and <em>Z. mays</em> plants. While all phenolic acids had effects on the early growth of <em>A. artemisiifolia,</em> <em>p</em>-coumaric acid significantly reduced the length of radicle and hypocotyl by more than 60% while the effects on <em>Z. mays</em> were minimal. <em>In vivo</em> assessments using chlorophyll fluorescence and multispectral imaging showed selective stress responses in <em>A. artemisiifolia</em> but not in <em>Z. mays</em> after foliar application. The <em>in vitro</em> results show that <em>p</em>-coumaric acid is a promising compound for the control of <em>A. artemisiifolia</em>. However, these phenolic acids at these doses led to an insufficient reduction in photochemical efficiency. Therefore, these natural compounds need to be combined with other methods of weed control. </span></p>
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