Characterisation of Czech arable weed communities according to management and production area considering the prevalence of herbicide-resistant species

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F23%3A95020" target="_blank" >RIV/60460709:41210/23:95020 - isvavai.cz</a>

Result on the web

<a href="https://onlinelibrary.wiley.com/doi/10.1111/wre.12565" target="_blank" >https://onlinelibrary.wiley.com/doi/10.1111/wre.12565</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/wre.12565" target="_blank" >10.1111/wre.12565</a>

Result language

angličtina

Original language name

Characterisation of Czech arable weed communities according to management and production area considering the prevalence of herbicide-resistant species

Original language description

Herbicide resistance is a widespread issue that impacts management of conventional farms, but also has ramifications for the weed community assembly; it is therefore important to see how these species factor into the weed community assembly of farms throughout the countryside. This research analysed species richness and community diversity in 98 field relevés from 48 organic and 50 conventional farms evenly distributed between two major production regions of the Czech Republic and then evaluated the incidence of species which have been reported resistant in the Czech Republic and its neighbouring countries. Farms were selected independently of any acknowledged resistant species. Out of 164 species found in this survey, only eight species have had herbicide-resistant biotypes reported in the Czech Republic, while a total of 19 species had herbicide-resistant biotypes reported in neighbouring countries. Species with recorded resistance to PSII inhibitors in the Czech Republic tended to be found together and were mostly associated with the beet production region, characterised by low altitude: Amaranthus retroflexus, Chenopodium album, Echinochloa crus-galli and Solanum nigrum. Species with reported resistance to ALS and ACCase-inhibiting herbicides were not clearly associated with a particular region or farming type. Of the species which have had reported herbicide resistance in the neighbouring countries, several were found in conventional fields within the growing season and we recommend immediate screening for herbicide resistance in these species and more diligent action in management according to anti-resistance strategies: Bromus sterilis resistant to ACCase-inhibiting herbicides, A. retroflexus resistant to ALS-inhibiting herbicides or Avena fatua resistant to ACCase and ALS-inhibiting herbicides. This work is unique in that it is evaluating weed species diversity in organic and conventional farms and using the context to frame the prevalence of high-risk herbicide-resistant species; thereby putting the potential incidence of herbicide resistance into perspective at the landscape level.

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

40106 - Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

Project

<a href="/en/project/QK1820081" target="_blank" >QK1820081: Resistance monitoring methods of economically important pests and weeds to pesticides and anti-resistance strategies</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year

2023

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Weed Research

ISSN

0043-1737

e-ISSN

1365-3180

Volume of the periodical

63

Issue of the periodical within the volume

1

Country of publishing house

GB - UNITED KINGDOM

Number of pages

11

Pages from-to

57-67

UT code for WoS article

000910560700001

EID of the result in the Scopus database

2-s2.0-85146173764