Volume 12, Issue 4 (2023)
JCP 2023, 12(4): 403-413 |
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Shahmohammadi S, Lashkari M, Zohdi H, Memarizadeh N, Mehrparvar M. Sublethal effects of some biorational pesticides on population growth parameters of cabbage aphid, Brevicoryne brassicae. JCP 2023; 12 (4) :403-413
URL: http://jcp.modares.ac.ir/article-3-67439-en.html
URL: http://jcp.modares.ac.ir/article-3-67439-en.html
Sahar Shahmohammadi1 
, Mohammadreza Lashkari 
2, Hadi Zohdi3 , Nargess Memarizadeh4 , Mohsen Mehrparvar1
, Mohammadreza Lashkari 2, Hadi Zohdi3 , Nargess Memarizadeh4 , Mohsen Mehrparvar1
1- Department of Biodiversity, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran.
2- Department of Biodiversity, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran. , mr.lashkari@gmail.com
3- Department of Plant Protection, Kerman Agricultural and Resources Research and Education Center. Kerman, Iran.
4- Department of Pesticides Researches, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran.
2- Department of Biodiversity, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran. , mr.lashkari@gmail.com
3- Department of Plant Protection, Kerman Agricultural and Resources Research and Education Center. Kerman, Iran.
4- Department of Pesticides Researches, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran.
Abstract: (573 Views)
The cabbage aphid, Brevicoryne brassicae L. (Hemiptera: Aphididae), is an important pest of canola that can considerably limit crop production through direct or indirect damage. In this study, the effects of Azadirachtin, Tondexir, Palizin, and Thiamethoxam, common insecticides used in managing the cabbage aphid, were investigated on the population growth parameters of this pest. Based on the results, the LC50 values for Thiamethoxam, Palizin, Azadirachtin, and Tondexir were 0.19, 0.63, 1.00, and 3.82 g/L, respectively. Moreover, LC30 concentrations of Thiamethoxam, Palizin, Azadirachtin, and Tondexir were 0.11, 0.10, 0.41, and 1.68 g/L, respectively, applied in the sublethal studies. The cabbage aphids reared on the plants treated with these insecticides had lower longevity, fecundity, and reproductive period than the control treatment. The intrinsic rate of increase (rm), finite rate of increase (λ), net reproductive rate (R0), and generation time (T) were lower on Thiamethoxam treatment. Tondexir and Palizin treatments had lower values than Azadirachtin. However, there was no significant difference between the Tondexir and Palizin treatments. The population treated by Azadirachtin had the highest values of growth parameters. According to the results and available information in the context of risk assessment of the studied insecticides, this research recommends the application of Thiamethoxam in the integrated pest management of cabbage aphid.
Keywords: Demographic toxicology, Life table, Botanical insecticides, Neonicotinoids, Integrated pest management
Article Type: Original Research |
Subject:
Insect Physiology
Received: 2023/02/11 | Accepted: 2023/12/3 | Published: 2024/01/3
Received: 2023/02/11 | Accepted: 2023/12/3 | Published: 2024/01/3
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