Efficacy of Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) and Alternaria destruens (Ascomycota: Pleosporaceae) for managing Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae)
Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) is a major pest of potatoes and other crops, highlighting the need for effective management strategies. This study evaluated the efficacy of a predatory mite and an entomopathogenic fungus, both individually and in combination, against P. so...
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Elsevier
2025-02-01
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| Series: | Biological Control |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1049964425000118 |
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| author | Mohamed El Aalaoui Said Rammali Fatima Zahra Kamal Alin Ciobică Bouchaib Bencharki Abdellatif Rahim Luminita Diana Hritcu Laura Romila Vasile Burlui Mohamed Sbaghi |
| author_facet | Mohamed El Aalaoui Said Rammali Fatima Zahra Kamal Alin Ciobică Bouchaib Bencharki Abdellatif Rahim Luminita Diana Hritcu Laura Romila Vasile Burlui Mohamed Sbaghi |
| author_sort | Mohamed El Aalaoui |
| collection | DOAJ |
| description | Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) is a major pest of potatoes and other crops, highlighting the need for effective management strategies. This study evaluated the efficacy of a predatory mite and an entomopathogenic fungus, both individually and in combination, against P. solenopsis on potato plants under greenhouse (24.6–35.2 °C) and field conditions (24.9–35.9 °C). The treatments included: untreated control, Tween 80 (TW), the predatory mite Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) (AS), the fungal pathogen Alternaria destruens (AD), AD + AS, and imidacloprid (ICP) (positive control). Treatment efficacy was evaluated weekly for five weeks, with predators released five days after fungal application. The AD + AS treatment significantly reduced P. solenopsis egg and motile stage counts compared to both initial levels and the individual treatments, reaching 9.88 eggs and 8.11 motile stages in greenhouse trials, and 9.22 eggs and 7.11 motile stages in field trials by week 5. The AD treatment alone caused the highest number of mummified mealybugs by week 5 (28.7 and 26.7 per plant in greenhouse and field trials, respectively), indicating strong pathogen-induced mortality. Amblyseius swirskii populations peaked at 34.8 and 26.7 mites per plant in the greenhouse and field, respectively, by week 3 in the AS alone treatment, with lower densities in the AD + AS treatment due to predator-fungus interactions. The AD + AS treatment effectively reduced P. solenopsis infestations while preserving the visual quality of treated plants (visual quality score > 9.50 by week 5), highlighting its potential for the management of P. solenopsis. |
| format | Article |
| id | doaj-art-324e11e2d66d4f90b433c4bf1d7c2d69 |
| institution | Kabale University |
| issn | 1049-9644 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Biological Control |
| spelling | doaj-art-324e11e2d66d4f90b433c4bf1d7c2d692025-02-05T04:31:12ZengElsevierBiological Control1049-96442025-02-01201105701Efficacy of Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) and Alternaria destruens (Ascomycota: Pleosporaceae) for managing Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae)Mohamed El Aalaoui0Said Rammali1Fatima Zahra Kamal2Alin Ciobică3Bouchaib Bencharki4Abdellatif Rahim5Luminita Diana Hritcu6Laura Romila7Vasile Burlui8Mohamed Sbaghi9National Institute of Agricultural Research, Avenue Ennasr, BP 415 Rabat Principal 10090 Rabat, Morocco; Corresponding authors.Laboratory of Agro-Alimentary and Health, Faculty of Sciences and Techniques, Hassan First University of Settat, B.P. 539, Settat 26000 MoroccoHigher Institute of Nursing Professions and Health Technical (ISPITS), Marrakech 40000 Morocco; Laboratory of Physical Chemistry of Processes and Materials, Faculty of Sciences and Techniques, Hassan First University, Settat 26000 MoroccoDepartment of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, 20th Carol I Avenue 700506 Iasi, Romania; Ioan Haulica Institute, Apollonia University, Iasi, Romania; Academy of Romanian Scientists, 3 Ilfov 050044 Bucharest, Romania; Preclinical Department, Apollonia University, Păcurari Street 11 700511 Iasi, Romania; Corresponding authors.Laboratory of Agro-Alimentary and Health, Faculty of Sciences and Techniques, Hassan First University of Settat, B.P. 539, Settat 26000 MoroccoLaboratory of Biochemistry, Neurosciences, Natural Ressources and Environment, Faculty of Sciences and Techniques, Hassan First University of Settat, B.P. 539, Settat 26000 MoroccoInternal Medicine Clinic, University of Life Sciences “Ion Ionescu de la Brad”, Mihail Sadoveanu Street, No. 3 700490 Iasi, RomaniaIoan Haulica” Institute of Apollonia University 700511 Iasi, RomaniaIoan Haulica” Institute of Apollonia University 700511 Iasi, RomaniaNational Institute of Agricultural Research, Avenue Ennasr, BP 415 Rabat Principal 10090 Rabat, MoroccoPhenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) is a major pest of potatoes and other crops, highlighting the need for effective management strategies. This study evaluated the efficacy of a predatory mite and an entomopathogenic fungus, both individually and in combination, against P. solenopsis on potato plants under greenhouse (24.6–35.2 °C) and field conditions (24.9–35.9 °C). The treatments included: untreated control, Tween 80 (TW), the predatory mite Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) (AS), the fungal pathogen Alternaria destruens (AD), AD + AS, and imidacloprid (ICP) (positive control). Treatment efficacy was evaluated weekly for five weeks, with predators released five days after fungal application. The AD + AS treatment significantly reduced P. solenopsis egg and motile stage counts compared to both initial levels and the individual treatments, reaching 9.88 eggs and 8.11 motile stages in greenhouse trials, and 9.22 eggs and 7.11 motile stages in field trials by week 5. The AD treatment alone caused the highest number of mummified mealybugs by week 5 (28.7 and 26.7 per plant in greenhouse and field trials, respectively), indicating strong pathogen-induced mortality. Amblyseius swirskii populations peaked at 34.8 and 26.7 mites per plant in the greenhouse and field, respectively, by week 3 in the AS alone treatment, with lower densities in the AD + AS treatment due to predator-fungus interactions. The AD + AS treatment effectively reduced P. solenopsis infestations while preserving the visual quality of treated plants (visual quality score > 9.50 by week 5), highlighting its potential for the management of P. solenopsis.http://www.sciencedirect.com/science/article/pii/S1049964425000118Integrated pest managementGreenhouse conditionsMummified mealybugsTreatment efficacyAgricultural pests |
| spellingShingle | Mohamed El Aalaoui Said Rammali Fatima Zahra Kamal Alin Ciobică Bouchaib Bencharki Abdellatif Rahim Luminita Diana Hritcu Laura Romila Vasile Burlui Mohamed Sbaghi Efficacy of Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) and Alternaria destruens (Ascomycota: Pleosporaceae) for managing Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) Biological Control Integrated pest management Greenhouse conditions Mummified mealybugs Treatment efficacy Agricultural pests |
| title | Efficacy of Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) and Alternaria destruens (Ascomycota: Pleosporaceae) for managing Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) |
| title_full | Efficacy of Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) and Alternaria destruens (Ascomycota: Pleosporaceae) for managing Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) |
| title_fullStr | Efficacy of Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) and Alternaria destruens (Ascomycota: Pleosporaceae) for managing Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) |
| title_full_unstemmed | Efficacy of Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) and Alternaria destruens (Ascomycota: Pleosporaceae) for managing Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) |
| title_short | Efficacy of Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) and Alternaria destruens (Ascomycota: Pleosporaceae) for managing Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) |
| title_sort | efficacy of amblyseius swirskii athias henriot acari phytoseiidae and alternaria destruens ascomycota pleosporaceae for managing phenacoccus solenopsis tinsley hemiptera pseudococcidae |
| topic | Integrated pest management Greenhouse conditions Mummified mealybugs Treatment efficacy Agricultural pests |
| url | http://www.sciencedirect.com/science/article/pii/S1049964425000118 |
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