INSECTICIDE RESISTANCE IN Bemisia tabaci (GENN.) POPULATIONS COLLECTED FROM THE MEDITERRANEAN AND AEGEAN REGIONS OF TURKEY

Dağlı, Fatih; Yükselbaba, Utku; İkten, Cengiz; Topakcı, Nurdan; Göçmen, Hüseyin

doi:10.15666/aeer/1806_77577768

Cited by 3 publications

(1 citation statement)

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“…More than one hundred were transmitted by B. tabaci [3]. B. tabaci has developed a high degree of resistance against different groups of insecticides, including organophosphates, carbamates, pyrethroids, insect growth regulators, and chlorinated hydrocarbons [7][8][9][10] explained that the resistance of B. tabaci is related to the extensive use of several insecticides, short generation time, high rate of fecundity, and the greater mobility of adults. Also, [11] mentioned that chemical control has been challenging to achieve because of the insect's distribution within the plant's canopy and on the underside of leaves and because of its high reproductive rate.…”

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confidence: 99%

The Effect of the Crude Terpenoids Compounds of Melia Azedrach Leaves and Fruits on Some Biological Aspects of Whitefly Bemisia tabaci

Majeed

2023

IHJPAS

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This study was carried out to determine the effects of crude terpenoid compound extracts of Melia azedarach L. leaves and fruits on some biological aspects of whitefly Bemisia tabaci (Genn.) under laboratory conditions of 25 ± 2°C and relative humidity of 65-70%. The results indicated a significant effect on eggs and immature stages when treated with 0.5, 1, 1.5, and 2 mg/ml of leaves and fruits. The mortality rate increased with concentration. It reached 98.68, 100, 100, 95.70, 86.30, and 42.68% for eggs, 1st, 2nd, and 3rd nymphal instars, pupa, and adults, respectively, at a concentration of 2 mg/ml for leaves extract. At the same time, it reached 94.86, 100,100, 100, 87.89, and 44.90% for eggs, 1st, 2nd, and 3rd nymphal instars, pupa, and adults, respectively, at a concentration of 2 mg/ml for fruit extract. Also, the proportion of adults who emerged from sprayed eggs reduced to 91.53% and 95.72% when treated with 2 mg/ml of leaves and fruit extracts, respectively. While the developmental period increased to 23.50 and 24.00 days at 2 mg/ml when treated with terpenoid extracts of the leaves and fruits, respectively, compared with 21.00 and 20.83 days at control.

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Section: Introductionmentioning

confidence: 99%

The Effect of the Crude Terpenoids Compounds of Melia Azedrach Leaves and Fruits on Some Biological Aspects of Whitefly Bemisia tabaci

Majeed

2023

IHJPAS

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Biochemical and molecular analyses of insecticide resistance in greenhouse populations of Bemisia tabaci (Hemiptera: Aleyrodidae) in Türkiye

Erdogan,

Toprak,

Gurkan

2024

Phytoparasitica

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The sweet potato/cotton whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is one of the most destructive vegetable pests in greenhouses in Türkiye. While the preferred method of control primarily relies on insecticides such as neonicotinoids, organophosphates and pyrethroids, their intensive use has caused whiteflies to rapidly become resistant. Samples were collected from 13 Turkish B. tabaci greenhouse populations. Bioassays from the Marmara Region identified as high as a 53-fold increase in resistance to chlorpyrifos-ethyl, a 303-fold increase to imidacloprid and a 282-fold increase to acetamiprid. Bioassays in the Central Anatolia Region reported a 76-fold increase in resistance to deltamethrin and—15-fold increase to thiamethoxam. Most of the populations showed cross-resistance for neonicotinoids. All collected B. tabaci populations were determined to be MEAM 1 (also referred to as biotype B) for diagnostic band E0.14. The E0.14 esterase variant that helps to diagnose biotype B insects was found in all individuals from field populations. Almost all populations showed higher non-specific esterase, glutathione-S-transferase (GST) and monooxygenase activity when compared to susceptible SUD-S population. AChE insensitivity assays for individual B. tabaci suggest a target-site modification as a mechanism of resistance to chlorpyrifos-ethyl. This is the first report of AChE variants identified based on their sensitivities to chlorpyrifos ethyl-oxon and pirimicarb in Turkish B. tabaci populations. Fixed ace mutations in the target-site of organophosphates and pyrethroids were identified in six populations. Resistance to organophosphates and neonicotinoids were at least partially related to both ace mutations and insensitive AChE and monooxygenase activities, respectively. The results will help develop effective resistance management programs of B. tabaci in Türkiye. Graphical Abstract

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Antalya (Türkiye)’dan Bemisia tabaci (Genn., 1889) (Hemiptera: Aleyrodidae) popülasyonlarının cyantraniliprole, pyriproxyfen ve spirotetramata direnç düzeyleri

Yükselbaba¹,

ALI

2022

TED

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In the study, the susceptibility of twelve Bemisia tabaci (Genn., 1889) (Hemiptera: Aleyrodidae) MEAM1 and MED populations collected from tomato and pepper greenhouses in Antalya Province (Türkiye) in 2019 and 2020 to spirotetramat, pyriproxyfen and cyantraniliprole were determined. To determine the lethal concentrations (LC50) for the populations, spirotetramat and pyriproxyfen were applied using leaf dipping method to second instar and eggs, respectively, while a systemic uptake method was used for testing the susceptibility of whitefly instars to cyantraniliprole. The resistance ratios were calculated by dividing the LC50 of the populations by the LC50 of a susceptible population. The LC50 of the populations ranged from 0.28 to 1.70x103 mg a.i./l for pyriproxyfen, from 1.76 to 228 mg a.i./l for spirotetramat, and from 0.103 to 0.382 mg a.i./l for cyantraniliprole. Resistance ratios for pyriproxyfen were particularly high. For spirotetramat and cyantraniliprole resistance varied between 2.38 and 309, and 4.68 to 17.4 times, respectively. All populations were susceptible to cyantraniliprole, but some populations highly resistance to pyriproxyfen and spirotetramat. The results will be a valuable reference for future monitoring and management of insecticide resistance.

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INSECTICIDE RESISTANCE IN Bemisia tabaci (GENN.) POPULATIONS COLLECTED FROM THE MEDITERRANEAN AND AEGEAN REGIONS OF TURKEY

Cited by 3 publications

References 0 publications

The Effect of the Crude Terpenoids Compounds of Melia Azedrach Leaves and Fruits on Some Biological Aspects of Whitefly Bemisia tabaci

The Effect of the Crude Terpenoids Compounds of Melia Azedrach Leaves and Fruits on Some Biological Aspects of Whitefly Bemisia tabaci

Biochemical and molecular analyses of insecticide resistance in greenhouse populations of Bemisia tabaci (Hemiptera: Aleyrodidae) in Türkiye

Antalya (Türkiye)’dan Bemisia tabaci (Genn., 1889) (Hemiptera: Aleyrodidae) popülasyonlarının cyantraniliprole, pyriproxyfen ve spirotetramata direnç düzeyleri

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