Tag: Macrosiphum rosae; Rosa gallica; flower cell sap pH; aphid infestation; greenhouse conditions; host plant resistance.

Influence of Rose Flower Cell Sap pH on Infestation by the Rose Aphid (Macrosiphum rosae L.) under Plastic Greenhouse Conditions

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Samah  E. M. Nosier *(1), Hagar  M. M. Salem (1), and Ashraf Salah (1) (1). Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt. (*Corresponding author: dr.ashrafsalah@yahoo.com ). Received: 01/06/2026                                 Accepted: 29/07/2026 Abstract The rose aphid, Macrosiphum rosae L. (Hemiptera: Aphididae), is one of the most destructive insect pests affecting rose production Read More …