Do applications of sulfur or sulfate influence infestations of root maggots (<i>Delia</i> spp.) (Diptera: Anthomyiidae) in canola?

Dosdall, Lloyd M.; Yang, Rong‐Cai; Conway, P. M.

doi:10.4141/p01-081

Cited by 7 publications

(6 citation statements)

References 19 publications

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“…Furthermore, the fact that no significant differences in insect behaviour were observed between S n and S + plants implies that applying S amounts close to the optimal fertilisation level for oilseed rape will not cause an increase in oviposition, and this is in agreement with the conclusion of Dosdall et al (2002).…”

Section: Chemical Analysis Of B Napus Plant Extractssupporting

confidence: 80%

“…Even Dosdall et al (2002), who specifically studied the responses of D. radicum to changes in S plant treatment in the field, concluded that only minor benefit may be derived from the use of S applications as a root maggot control strategy. In the present study, by utilising an extreme range in S supply to the plant, we have successfully revealed clear differences in the behaviour of the insects affected, confirming also the conclusion of Dosdall et al (2002) and Kim et al (2002) as well.…”

Section: Discussionsupporting

confidence: 67%

“…However, the choice and performance of insects could not always be attributed to the plant fertilisation, because GSLs levels are also influenced by genetical or environmental factors (Bodnaryk 1997;Hopkins et al 1998). In this context, Dosdall et al (2002) reported that S application rate on B. rapa has a significant effect on D. radicum egg deposition and root damage in the field, but this effect varied depending on the year and the site, indicating that environmental factors are of great importance in determining infestation levels by this pest, and the oxidation state of S in soil. In agreement with these findings, Kim et al (2002) provided evidence that S and nitrogen applications strongly affected GSL content in the edible parts of B. rapa plants.…”

Section: Introductionmentioning

confidence: 99%

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Secondary metabolites of the leaf surface affected by sulphur fertilisation and perceived by the cabbage root fly

Marazzi¹,

Patrian²,

Städler³

2004

Chemoecology

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Surrogate leaves treated with methanolic leaf surface extracts of Brassica napus L. (cv Express) plants that received three different sulphur fertilisation treatments showed even more marked differences by the oviposition choice of Delia radicum L. than the potted plants. This confirms that the oviposition preference of D. radicum is mediated by chemical compounds on the leaf surface and that the quality of host-plants in terms of their nutrition status can be perceived by the female insect.The oviposition data were positively correlated with the content of fractionated surface extracts containing either CIF ("cabbage identification factor"; 1,2-dehydro-3-thia-4,10,10b-triaza-cyclopenta[.a.]fluorine-1-carboxylic acid) or glucosinolates. Electrophysiological recordings from the tarsal chemoreceptor sensilla C 5 and D 3,4 showed that receptor neurons react to glucosinolate-and CIF-fractions. We found that the chemosensory activity of specific glucosinolate-and CIF-receptor neurons corresponded with the respective behavioural activity in the oviposition choice assays. The responses of D. radicum to glucosinolates in the electrophysiological recordings studies corresponded to the observed oviposition preference on plants or artificial leaves characterised with an higher amount of glucosinolates on leave surfaces. The presented data suggested that CIF and glucosinolates are involved in host-plant preference of D. radicum and are perceived by tarsal chemoreceptors.

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Section: Chemical Analysis Of B Napus Plant Extractssupporting

confidence: 80%

Section: Discussionsupporting

confidence: 67%

Section: Introductionmentioning

confidence: 99%

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Secondary metabolites of the leaf surface affected by sulphur fertilisation and perceived by the cabbage root fly

Marazzi¹,

Patrian²,

Städler³

2004

Chemoecology

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“…Larval and adult cabbage root ßy, Delia radicum L., respond to sulfur-based volatiles from brassica crops (Koštál 1992, Ross andAnderson 1992). Different sulfur application rates and formulations (granules, powder, prills, and sprays) signiÞcantly reduced the degree of root damage by larvae and egg deposition by adult cabbage and turnip root ßies in canola, although results varied among sites and years (Dosdall et al 2002). Planned studies using soil columns will investigate the effects of soil-incorporated stimuli from grape roots on the rate and success of larval grape root borer food-Þnding and the distance over which they perceive these stimuli.…”

Section: Discussionmentioning

confidence: 96%

Behavioral Response of Grape Root Borer (Lepidoptera: Sesiidae) Neonates to Grape Root Volatiles

Rijal

Zhang²,

Bergh

2013

env. entom.

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Grape root borer, Vitacea polistiformis (Harris), is an oligophagous and potentially destructive pest of grape in commercial vineyards throughout much of the eastern United States. Larvae feed on vine roots, although little is known about their below-ground interactions with host plants. The behavioral response of groups of grape root borer neonates to stimuli from host and nonhost roots was evaluated in single and paired stimuli bioassays in which stimuli were presented in opposing wells attached to the bottom of petri dish arenas. Stimulus sources included root pieces and root headspace volatiles from 3309 and 420-A grape rootstocks (host) and apple (nonhost) and ethanol-based extracts of 3309 and 420-A roots. In single stimulus assays, significantly more larvae were recovered from wells containing grape roots, apple roots, grape extracts, and grape root volatiles than from control wells, but there was no significant response to volatiles collected from the headspace of apple roots. In paired stimuli assays, significantly more larvae were recovered from wells containing grape than apple roots. There was no difference in larval distribution between wells when 420-A and 3309 roots were presented simultaneously, although a significantly greater response to 3309 than 420-A root extract was recorded. When soil was added to the assays, significantly more larvae were recovered from wells containing grape roots than from those containing only soil, but this response was not detected in assays using buried apple roots. These results are discussed in relation to the plant-insect interactions between grape root borer larvae and their Vitaceae hosts.

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“…Dosdall et al . (2002) found that root maggot responses to different sulphur treatments in the field varied with year and site.…”

Section: Introductionmentioning

confidence: 99%

Influence of sulphur plant nutrition on oviposition and larval performance of the cabbage root fly

Marazzi¹,

Städler²

2005

Agri and Forest Entomology

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1 Oilseed rape plants (Brassica napus) (L.) (Brassicaceae) were grown under different levels of sulphur supply and tested for the oviposition preference and larval performance of cabbage root flies Delia radicum (L.) (Diptera: Anthomyiidae). 2 Adult females laid more than three-fold as many eggs on control S n (normal field concentration) than on sulphur-free S 0 plants. By contrast, no significant difference was observed between control and double normal concentration (S þ ) plants. 3 The larval performance was evaluated using three additional, intermediate sulphur levels between S 0 and S n , and the plants were infected with equal numbers of eggs. The percentage pupation at the end of larval feeding ranged from 6% (S 0 ) to 32% (S n or S þ ) and the average number of pupae, or of emerging flies, was significantly correlated with sulphur application. 4 The weight of emerging males and females was correlated with plant sulphur supply. 5 The duration of development from eggs to adult emergence was approximately 2 days longer in females than in males. Females originating from plants with a normal or higher sulphur supply tended to emerge 1-2 days earlier.

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Do applications of sulfur or sulfate influence infestations of root maggots (Delia spp.) (Diptera: Anthomyiidae) in canola?

Cited by 7 publications

References 19 publications

Secondary metabolites of the leaf surface affected by sulphur fertilisation and perceived by the cabbage root fly

Secondary metabolites of the leaf surface affected by sulphur fertilisation and perceived by the cabbage root fly

Behavioral Response of Grape Root Borer (Lepidoptera: Sesiidae) Neonates to Grape Root Volatiles

Influence of sulphur plant nutrition on oviposition and larval performance of the cabbage root fly

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