Ecofriendly Management of the Main Insect Pests and Mites on Common Bean by Intercropping with Garlic and Thyme | ||
| Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control | ||
| Volume 17, Issue 2, December 2025, Pages 129-134 PDF (797.92 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/eajbsf.2025.456782 | ||
| Authors | ||
| Walaa, A. Tawfik; Elmesawy, M. G. | ||
| Plant Protection Research Institute, Agricultural Research Center, Dokki, Cairo, Egypt. | ||
| Abstract | ||
| One of the possible ways to preserve the ecosystem is through the diversity of natural enemies, reducing the seasonal abundance of harmful pests and increasing soil fertility, through the diversity of the agricultural ecosystem. Intercropping is one of the most important ways to preserve the environment. In this study, the impact of intercropping common bean (Phaseolus vulgaris) with garlic (Allium sativum L.) and wild thyme (Thymus serpyllum) was assessed on the density of sap-sucking pests, Tetranychus urticae and leafminer. Results revealed that intercropping improved the diversity of natural enemies and increased common bean productivity compared with the sole crop. Pest infestations were reduced significantly in both intercrops. In common bean intercropped with garlic, the infestations rates of Bemisia tabaci, Empoasca decipiens and Aphis gossypii were reduced to 13.21%, 5.71% and 3.75%, respectively. In common beans intercropped with thyme, the reductions were 7.14%, 13.75 % and 4.28% for pests mentioned before. Also, infestation by T. urticae decreased under intercropping conditions, recording 3.57% and 7.85% in common bean with garlic intercrop and in common bean with thyme, respectively compared to the sole common bean crop. These results demonstrate that intercropping common bean with garlic or thyme offers an effective strategy for managing important insect pests and improving crop productivity. | ||
| Keywords | ||
| Common bean; Garlic; Thyme; Sap-sucking pests; Tetranychus urticae; Leafminer | ||
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