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Efficacy of invasive plant powders and inert dusts against Sitophilus zeamais (Motschulsky) in wheat grain
ID Podgornik Milosavljević, Matej (Author), ID Trdan, Stanislav (Author), ID Košir, Iztok Jože (Author), ID Šilc, Urban (Author), ID Horvat, Aleksander (Author), ID Bohinc, Tanja (Author), ID Curk, Miha (Author)

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Abstract
Cereal grain insect pests, specifically Sitophilus zeamais, pose significant challenges to farmers and distributors worldwide, leading to substantial economic losses. Traditional pest control methods often rely on fumigants, raising environmental and health concerns. As an alternative, this study explores the efficacy of unconventional repellents derived from five invasive plant species powders and inert dusts such as wood ash, quartz sand, and zeolite in controlling S. zeamais infestations. The study employs laboratory experiments to evaluate the repellent effects of these substances on adult weevils and progeny emergence on wheat grain under different environmental conditions. Results indicate that plant powders showed some repellent effect (average significant difference in live weevil counts between treated and untreated grain was 13.4 %) and mortality rate (mostly around 20 %), but they were less effective compared to the well-known substances such as SilicoSec® and wood ash (both over 80 % mortality). Similar effects were observed in the progeny emergence experiment. Despite the lower effectiveness compared to conventional substances, the combined application of plant powders with other low-risk methods like the decreasing of temperature and humidity may offer viable pest management strategies in certain scenarios. Additionally, the study underscores the need for further exploration of alternative plant species and the potential for synergistic effects when combining repellent substances.

Language:English
Keywords:maize weevil, Triticum aestivum, invasive alien plants, diatomaceous earth, repellency
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Publication status:Published
Publication version:Version of Record
Year:2024
Number of pages:9 str.
Numbering:Vol. 109, art. 102428
PID:20.500.12556/RUL-163045 This link opens in a new window
UDC:632
ISSN on article:0022-474X
DOI:10.1016/j.jspr.2024.102428 This link opens in a new window
COBISS.SI-ID:209648899 This link opens in a new window
Publication date in RUL:01.10.2024
Views:105
Downloads:14
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Record is a part of a journal

Title:Journal of stored products research
Shortened title:J. stored prod. res.
Publisher:Elsevier
ISSN:0022-474X
COBISS.SI-ID:6568455 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:Slovenian
Keywords:skladiščni škodljivci, pšenica, invazivne rastlinske vrste, rastlinski prah, inertna prašiva, diatomejska zemlja, koruzni žužek, Sitophilus zeamais, odvračala, odvračalni učinek

Projects

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:L4-3178
Name:Razvoj in optimizacija nekemičnih načinov zatiranja rastlinskih škodljivcev z namenom njihove implementacije v sisteme trajnostnega kmetijstva

Funder:Other - Other funder or multiple funders
Funding programme:Republic of Slovenia, Ministry of Agriculture, Forestry and Food

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