| Issue |
BIO Web Conf.
Volume 18, 2020
IV All-Russian Plant Protection Congress with international participation “Phytosanitary Technologies in Ensuring Independence and Competitiveness of the Agricultural Sector of Russia”
|
|
|---|---|---|
| Article Number | 00027 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/bioconf/20201800027 | |
| Published online | 06 March 2020 | |
Wintering ability of Calophoma complanata under the conditions of Saint Petersburg area
1
All-Russian Institute of Plant Protection, 196608 St. Petersburg, Russia
2
Saint-Petersburg State Institute of Technology, 190013, Russia
3
Saint Petersburg State University, Research Resource Center «Chromas», 199034, Russia
* Corresponding author: svsokornova@vizr.spb.ru
Giant hogweed is one of the most widespread invasive alien species of the Baltic region. The pycnidial fungus, Calophoma complanata is being evaluated as a potential bioherbicide for control of Heracleum sosnowskyi. The aim of this work is to evaluate an ability of the potential mycoherbicide C. complanata MF-32.121 to overwinter in the conditions of Saint Petersburg area. Plants inoculated by C. complanata MF-32.121 successfully survives wintering in the conditions of Saint Petersburg area. Pearl barley covered by C. complanata MF-32.121 mycelium successfully survives wintering in the same conditions as well. When favorable conditions have arisen, the C. complanata MF-32.121 mycelium is capable to infecting young giant hogweed. Moreover, it was revealed that a change in the biochemical composition, namely, an increase in the level of trehalose, contributes to the manifestation of a greater tolerance of C. complanata MF-32.121 mycelium to temperature-humidity conditions.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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