Aphid–plant interactions: How saliva of aphids modulates the plant responses
Keywords:
plant-aphid interaction, phloem tube occlusion, Aphid saliva, aphid artificial dietAbstract
Aphids are one of the most important herbivore pests of agricultural and forest crops. They have specialized long stylets adapted for the sucking of sap from the phloem. To successfully feed on the host plants aphid need to counter the physical and chemical defense system of plants. The present study is conducted for the first time to my best knowledge. In this study, Acyrthosiphon Pisum was reared on two-week-old Pisum sativum after that the adult aphids were transferred to the lab and were fed on the artificial diet to collect the saliva of both types. The Aphid species were inoculated with Buchnera aphidicola and Regiella insecticola to study the impact on saliva composition and plants' response toward these strains. The results indicate the aphid inoculated with B. aphidicola had a long and thick salivary flange and also they resist the plants to develop occlusion to prevent the loss of sap from Phloem. In addition, the aphid needs to bypass the other plant defenses; aphid has been shown to affect plant metabolism.
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