Autumnal aphid fauna on maize as an indicator of environmental changes

Abstract

So far in Poland 7 aphid species developing only holocyclically have been observed on maize. Observations which were carried out in the Wielkopolska region in 2004-2012 revealed an occurrence of 5 aphid species. For the first time, in 2012, anholocyclic development of all the observed aphid species was recorded. Among them, new host races of Rhopalosiphum padi and Sipha maydis were isolated, as strict monophagous on maize. Their distinction was found in the studies conducted in environmental chamber conditions.

Aphid-Triggered Changes in Oxidative Damage Markers of Nucleic Acids, Proteins, and Lipids in Maize (Zea mays L.) Seedlings

“…Aphids are among the most detrimental insect pests, profoundly limiting yields and deteriorating quality of maize tissues [5,6,7]. In Poland, bird cherry-oat aphids ( Rhopalosiphum padi L.) reach high densities on maize from May to October, and can generate up to twelve generations [8]. Previously, Sytykiewicz et al [9] have classified fifteen maize cultivars with varying levels of resistance to R. padi adults.…”

Expression of Thioredoxin/Thioredoxin Reductase System Genes in Aphid-Challenged Maize Seedlings

“…In Poland, the bird cherry-oat aphid (Rhopalosiphum padi L.) and the rose-grass aphid (Metopolophium dirhodum Walk.) are among the major insect pests infesting the maize plants [15,16]. Therefore, identification of maize cultivars exhibiting resistance toward the aphids as well as uncovering the molecular basis of defense mechanisms induced by these insects are of high importance.…”