Effect of different maize plant varieties on the main piercing-sucking insect pests attacking maize plants

Document Type : Original Article

Authors

1 Plant Protection Dept. Fac. of Agric. Damietta Univ., Egypt

2 Economic Entomology Dept., Fac. Agric., Mansoura Univ.

3 Plant protection, Agriculture, Damietta University, Damietta, Egypt

4 Economic Entomology Dept., Fac. Agric., Damietta Univ.

Abstract

This study was carried out to survey the major piercing-sucking insect species on maize plants and to examine the effect of maize varieties and their chemical composition on population density of aphid, leafhopper and planthopper species in Zagazig district, Sharkia Governorate, Egypt during 2020 and 2021 seasons. The aforementioned homopterous species were collected from maize varieties by using different sampling methods. Results showed that aphid species infested maize plants were Rhopalosiphum maidis, R. padi, Aphis gossypii, while the leafhopper: Empoasca decipiens, E. decedents, Cicadellina china, C. bipunctella zea and Balclutha hortensis and planthopper insects, Sogatella vibix and S. frucifera were also collected. Maize varieties had effect on the population density of the major piercing-sucking insect species. Signal white 2030 variety hosted the lowest mean number of insects, while Signal white 131 hosted the largest number of homopterous insects. Results of chemical analysis of all tested maize plant varieties showed a positive relationship between each of protein and carbohydrate contents and aphid, leafhopper and planthopper populations, while a negative relationship between pH values and hompoterous insect populations and maize yield were obtained

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