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Observation and restriction of Aculops lycopersici dispersal in tomato layer cultivation

Pfaff, Alexander ; Gabriel, Doreen ; Böckmann, Elias

Journal of plant diseases and protection (2006), 2024-02, Vol.131 (1), p.155-166 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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  • Título:
    Observation and restriction of Aculops lycopersici dispersal in tomato layer cultivation
  • Autor: Pfaff, Alexander ; Gabriel, Doreen ; Böckmann, Elias
  • Assuntos: Biomedical and Life Sciences ; Life Sciences ; Original Article ; Plant Pathology ; Plant Physiology ; Plant Sciences
  • É parte de: Journal of plant diseases and protection (2006), 2024-02, Vol.131 (1), p.155-166
  • Descrição: The tomato russet mite Aculops lycopersici has become a challenging pest in tomato production in the EU. The number of available acaricides is low, and the efficacy of biological control is limited. With this study, we aim to understand better the unhindered dispersal dynamics and develop a method to reduce dispersal on plants. To better understand the dynamics of A.   lycopersici dispersal in layered tomato cultivation under practical conditions, a first trial was carried out. The trial confirmed that first A. lycopersici symptoms in practical cultivation usually occur in the lower or the middle third of tomato plants and then move upwards on plants. It was observed that plants, for a limited period of time often are able to grow new healthy leaves in the same pace as existing leaves, mostly in the lower and middle part of the plant are damaged by A. lycopersici . This is possible due to the fast growth rate of hybrid tomato varieties in layer cultivation. To test if the observed effect can be supported by further slowing down the upwards movement of the pest, a second trial was conducted. Here, the stems of inoculated tomato plants were blocked weekly for A. lycopersici by applying a ring of insect glue 15 cm below the tip of the plants. This stem blockage severely impaired the only active dispersal mode of A.   lycopersici : walking. The growth of new plant material, when the method is applied, is able to exceed the speed with which A. lycopersici destroys plant material in layered tomato cultivation. This resulted in significantly less plant damage and prevented fruit damage on all treated plants. The approach of manipulating the plant stem and thereby restricting the movement of the mite on tomato plants could potentially be exploited for plant protection purposes under practical conditions.
  • Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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