Reduction of Plant Suitability for Corn Leaf Aphid (Hemiptera: Aphididae) Under Elevated Carbon Dioxide Condition

Abstract

In the current context of global climate change, atmospheric carbon dioxide (CO2) concentrations are continuously rising with potential influence on plant–herbivore interactions. The effect of elevated CO2 (eCO2) on feeding behavior of corn leaf aphid, Rhopalosiphum maidis (Fitch) on barley seedlings Hordeum vulgare L. was tracked using electrical penetration graph (EPG). The nutrient content of host plant and the developmental indexes of aphids under eCO2 and ambient CO2 (aCO2) conditions were also investigated. Barley seedlings under eCO2 concentration had lower contents of crude protein and amino acids. EPG analysis showed the plants cultivated under eCO2 influenced the aphid feeding behavior, by prolonging the total pre-probation time of the aphids (wandering and locating the feeding site) and the ingestion of passive phloem sap. Moreover, fresh body weight, fecundity and intrinsic population growth rate of R. maidis was significantly decreased in eCO2 in contrast to aCO2 condition. Our findings suggested that changes in plant nutrition caused by eCO2, mediated via the herbivore host could affect insect feeding behavior and population dynamics.

Seed priming with calcium chloride enhances wheat resistance against wheat aphid Schizaphis graminumRondani

“…Differences in aphid development time, aphid population sizes and gene expression levels at 0, 24, 48 and 72 h, between plants exposed to aphids and unexposed plants were evaluated using Student's t ‐test. Any behavioral EPG variables that did not follow a normal distribution were analyzed using the Mann–Whitney U ‐test 59 …”

Life Table Construction for Crapemyrtle Bark Scale (Acanthococcus lagerstroemiae): The Effect of Different Plant Nutrient Conditions on Insect Performance

“…(2010) showed that the infestation of green peach aphid (Myzus persicae) had a positive correlation with nitrogen fertilization up to a certain level then became negative 69 . Chen et al (2019) reported that the elevated carbon dioxide had negatively affected the performance of aphids feed on Barley 70 .…”

Indirect effect of elevated CO2 concentration on Bemisia tabaci MEAM1 feeding on Bt soybean plants

“…It has been reported that the indirect effects of eCO 2 on sap‐sucking insects are primarily mediated by the effects of eCO 2 on host plant quality, including the changes in morphology, biochemistry and physiology, such as the increase in the C:N ratio (Cornelissen, Stiling, & Drake, 2004; Finlay & Luck, 2011; Guo et al., 2014; Peñalver‐Cruz et al., 2019; Ryan, Shukla, Rasmussen, Shelp, & Newman, 2014; Ryan, Sylvester, Shelp, & Newman, 2015), and the reduction in amino acids in the phloem sap (Chen et al., 2019; Oehme, Högy, Zebitz, & Fangmeier, 2013; Sun et al., 2009). In general, these changes are expected to vary between the plant species.…”

“…body mass and virus transmission) and populational (e.g. fecundity and abundance) traits of several aphid species (Chen, Serteyn, Wang, He, & Francis, 2019; Dáder et al., 2016; Hughes & Bazzaz, 2001; Klaiber, Najar‐Rodriguez, Dialer, & Dorn, 2013; Trębicki et al., 2016; Yan, Guo, Yuan, Sun, & Ge, 2018).…”