Feeding Behavior Analysis of the Soybean Aphid (Hemiptera: Aphididae) on Resistant Soybean ‘Dowling’

Crompton, D.S.; Ode, Paul J.

doi:10.1603/ec09370

Cited by 45 publications

(45 citation statements)

References 20 publications

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“…Aphids are piercing and sucking insects that cause injury through direct feeding with their needle-like mouth parts (stylets) in plant tissues, especially removal of phloem sap from sieve elements in the vascular tissue (Crompton and Ode 2010). The Electronic Monitoring System, Þrst described by McLean and Kinsey (1964) using alternate current (AC), has been used to record the feeding behavior of aphids and observe the resistance mechanism of plants ( Re-ese et al 2000).…”

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confidence: 99%

“…Their results showed that the duration of the sieve element phase was long in susceptible genotypes and very short in resistant genotypes. Crompton and Ode (2010) conducted EPG experiments with a resistant soybean genotype, ÔDowling,Õ and a susceptible soybean genotype, ÔGlenwood,Õ and found that antibiotic resistance resides in the phloem tissue of the resistant genotype but not in any other plant tissues.…”

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Feeding Behavior Comparison of Soybean Aphid (Hemiptera: Aphididae) Biotypes on Different Soybean Genotypes

et al. 2013

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Feeding Behavior Comparison of Soybean Aphid (Hemiptera: Aphididae) Biotypes on Different Soybean Genotypes

et al. 2013

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“…Plants on which no feeding occurred or for which no reliable signals were obtained were not included in further analyses. All plants, EPG probes, and plant electrodes were placed inside one of two Faraday cages, constructed from aluminum mesh wire with an aluminum frame and base (61 cm×61 cm×76 cm), in order to protect the EPG's internal conductors from electrical and environmental noise [10,46]. Recordings were made on eight plants simultaneously, with at least one plant of each of the three switchgrass populations represented in each recording.…”

Section: Methodsmentioning

confidence: 99%

“…The EPG technique allows the recording of signal waveforms corresponding to different insect activities and the position of the stylet tips within the plant tissues [48,52]. Further, when considered in combination, stylet activities and position may be useful in determining the kind of resistance mechanisms that may be involved at the plant tissue level [10,11,21,53].…”

Section: Introductionmentioning

confidence: 99%

Characterization of Greenbug Feeding Behavior and Aphid (Hemiptera: Aphididae) Host Preference in Relation to Resistant and Susceptible Tetraploid Switchgrass Populations

et al. 2014

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Two choice studies were performed to evaluate greenbug, Schizaphis graminum (Rondani), and yellow sugarcane aphid, Sipha flava (Forbes), preference for two tetraploid switchgrass populations, Summer and Kanlow, and one experimental hybrid, K×S, derived by crossing Kanlow (male)×Summer (female) plants. Additionally, an assessment of S. graminum feeding behavior was performed on the same switchgrass populations, by using the electrical penetration graph (EPG) technique. Choice studies for S. flava indicated a lack of antixenosis, with no preference by aphids among any of the switchgrass populations at any time point. However, choice studies with S. graminum indicated a preference for the K×S plants at 24 h after aphid introduction. No obvious differences were observed for the leaf surfaces between the three populations. Feeding behavior studies for S. graminum on switchgrasses indicated no differences for the time to first probe or time to first sieve element phase among switchgrass populations. However, duration of sieve element phases for S. graminum was significantly less on Kanlow compared to K×S and Summer. S. graminum also had a significantly lower potential phloem ingestion index (PPII) and few aphids showing sustained phloem ingestion on Kanlow as compared to K×S and Summer plants. These results suggest that resistance factors (chemical or mechanical) in Kanlow are located in the phloem tissue. At the whole leaf level, some differences were observed for a subset of polar metabolites, although Kanlow plants were significantly enriched for oxalic acid.

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“…This technique has been previously used to study the probing behavior of several sucking insects (Calatayud et al 1994, Kindt et al 2006, Miranda et al 2009, Cid & Fereres 2010, Lazzarotto et al 2011, Liu et al 2013, Moraes et al 2013, Santa-Cecília et al 2013, plant resistance (Crompton & Ode 2010) and viral transmission (Tjallingii & Prado 2001, Fereres & Moreno 2009). …”

Section: Introductionmentioning

confidence: 99%

Probing behavior of Dysmicoccus brevipes mealybug in pineapple plants1

Santa-Cecília

Prado

Souza

2016

Pesqui. Agropecu. Trop.

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Differences in susceptibility to viruses in plants may be partially explained by the insect vector probing behavior and by the presence of phenolic compounds, which are often associated with defense strategies. This study aimed at detecting barriers that may difficult the probing activity of the Dysmicoccus brevipes (Pseudococcidae) pineapple mealybug, a vector of the pineapple mealybug wilt-associated virus, as well as evaluating the phenolic content of plants, in order to verify any possible relationship with the probing behavior, by using the electrical penetration graphs (EPG) technique. Seedlings of 'Smooth Cayenne' and 'Pérola' pineapple cultivars were used in the experiments. Only 28 % and 21 % of the mealybugs reached the phloem of the 'Smooth Cayenne' and 'Pérola' cultivars, respectively, over 16 h of recording, with an average of 9 h to reach the phloem vessels. The xylem phase was extended in both cultivars and represented approximately 31 % ('Smooth Cayenne') and 44 % ('Pérola') of the recording time. The phenolic contents of both cultivars were similar.

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Feeding Behavior Analysis of the Soybean Aphid (Hemiptera: Aphididae) on Resistant Soybean ‘Dowling’

Cited by 45 publications

References 20 publications

Feeding Behavior Comparison of Soybean Aphid (Hemiptera: Aphididae) Biotypes on Different Soybean Genotypes

Feeding Behavior Comparison of Soybean Aphid (Hemiptera: Aphididae) Biotypes on Different Soybean Genotypes

Characterization of Greenbug Feeding Behavior and Aphid (Hemiptera: Aphididae) Host Preference in Relation to Resistant and Susceptible Tetraploid Switchgrass Populations

Probing behavior of Dysmicoccus brevipes mealybug in pineapple plants1

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