Moarefi, Maryam, Seddigh, Samin, Hamrahi, Ali (2022). Effects of processed kaolin on Aphis fabae and Hippodamia variegata on broad bean: A lab and field case study. , 11(2), 211-227. doi: 10.48311/jcp.2022.1590
Maryam Moarefi; Samin Seddigh; Ali Hamrahi. "Effects of processed kaolin on Aphis fabae and Hippodamia variegata on broad bean: A lab and field case study". , 11, 2, 2022, 211-227. doi: 10.48311/jcp.2022.1590
Moarefi, Maryam, Seddigh, Samin, Hamrahi, Ali (2022). 'Effects of processed kaolin on Aphis fabae and Hippodamia variegata on broad bean: A lab and field case study', , 11(2), pp. 211-227. doi: 10.48311/jcp.2022.1590
Moarefi, Maryam, Seddigh, Samin, Hamrahi, Ali Effects of processed kaolin on Aphis fabae and Hippodamia variegata on broad bean: A lab and field case study. , 2022; 11(2): 211-227. doi: 10.48311/jcp.2022.1590

Effects of processed kaolin on Aphis fabae and Hippodamia variegata on broad bean: A lab and field case study

Journal of Crop Protection
Article 4, Volume 11, Issue 2, 2022, Pages 211-227    PDF (909.66 K)
Document Type: Original Research
DOI: 10.48311/jcp.2022.1590
Authors
Maryam Moarefi* 1; Samin Seddigh2; Ali Hamrahi3
1Department of Agronomy and Plant Breeding, Karaj Branch, Islamic Azad University, Karaj, Iran.
2Department of Plant Protection, Varamin-Pishva Branch, Islamic Azad University, Varamin, Iran.
3Department of Plant Protection, Faculty of Agriculture, Zanjan University, Zanjan, Iran.
Abstract
The black bean aphid, Aphis fabae Scopoli, is a critical pest feeding on various host plants. This study was conducted to investigate the effect of kaolin on A. fabae and one of its natural enemies, Hippodamia variegata (Goeze). The investigation was carried out in Barkat broad bean cultivar during 2017-2019 in field and greenhouse conditions in Karaj, Iran. The experiment was conducted as a factorial randomized complete block design with four replications. Kaolin (Sepidan® WP %95) was tested at 3, 6, and 9%, and the sampling was carried out one day before application and three, six, nine, twelve, and fifteen days after application. As soon as the insects settled, kaolin foliar application began. The laboratory tests on black bean aphid showed the highest efficiency of kaolin 9% at 12 days after application, while the least was three days after application with kaolin 3%. Field trials indicated the highest efficiency of kaolin 9%, 9 days after application. Kaolin 9% caused the highest detrimental impact on H. variegata 15 days after foliar application.
Keywords
Aphis fabae; broad bean; Hippodamia variegata; Kaolin; Pest management
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