Factors influencing citrus fruit scarring caused by Pezothrips kellyanus

Navarro-Campos, Cristina; Pekas, Apostolos; Aguilar, A.; Garcia‐Marí, F.

doi:10.1007/s10340-013-0489-7

Cited by 14 publications

(9 citation statements)

References 23 publications

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“…This suggests that the period for effective reduction of KCT damage by G. aculeifer is rather short. This is in agreement with previous studies showing that the most critical period for the damage cause by KCT is from the first until the fifth week after petal fall . In practical terms, the release of G. aculeifer must coincide with the petal fall.…”

Section: Discussionsupporting

confidence: 93%

“…Pezothrips kellyanus (Bagnall) (Kellyʼs citrus thrips; KCT) (Thysanoptera: Thripidae) was firstly reported to cause damages in citrus in New Zealand and currently has invaded several citrus growing areas worldwide . In eastern Spanish citrus (Valencia region) KCT damage was first detected in 2007 . The rind scarring on fruits produced by KCT is caused by the second instar larvae that in turn, originate from adults of the previous generation that pupated in the soil .…”

Section: Introductionmentioning

confidence: 99%

“…In eastern Spanish citrus (Valencia region) KCT damage was first detected in 2007 . The rind scarring on fruits produced by KCT is caused by the second instar larvae that in turn, originate from adults of the previous generation that pupated in the soil . The aesthetic damage caused by KCT is highly undesirable for the Mediterranean citrus production that goes mainly to the fresh fruit market.…”

Section: Introductionmentioning

confidence: 99%

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Augmentative releases of the soil predatory mite Gaeolaelaps aculeifer reduce fruit damage caused by an invasive thrips in Mediterranean citrus

Navarro-Campos

Beltrà

Calabuig

et al. 2020

Pest Management Science

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BACKGROUND: Soil-dwelling predatory mites of the family Laelapidae are augmentatively released for the biological control of several pests with an edaphic phase in numerous greenhouse crops. Yet, there is no information about the potential of releasing these predators to control pests in open field crops. We tested, during two consecutive years, the potential of augmentative releases of Gaeolaelaps aculeifer, alone or in combination with coco fiber discs as mulch, to reduce the damage caused on citrus fruits by the invasive thrips Pezothrips kellyanus in Mediterranean citrus. In a separate trial, we also compared different mulch types (coco fiber discs, rice husks or a mixture of sawdust and wheat bran) for their potential to support the establishment and population development of the predatory mites after their release. RESULTS:The percentage of unmarketable fruits caused by P. kellyanus was significantly reduced in the plots where G. aculeifer was released. The addition of coco fiber discs did not reduce further the percentage of unmarketable fruits. Sawdust + bran mulch was the most effective in preserving immature and adult predatory mite population after their release.CONCLUSION: Augmentative releases of G. aculeifer have the potential to reduce fruit damage caused by P. kellyanus in citrus.

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Section: Discussionsupporting

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Augmentative releases of the soil predatory mite Gaeolaelaps aculeifer reduce fruit damage caused by an invasive thrips in Mediterranean citrus

Navarro-Campos

Beltrà

Calabuig

et al. 2020

Pest Management Science

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“…This exhorts for developing environmentally sound and sustainable management pest strategies restraining the use of insecticides [ 6 – 21 ]. For this purpose, a thorough knowledge on pest biology and ecology in its environment is strongly needed [ 22 , 23 , 24 ]. In particular, air temperature and humidity conditions closely surrounding the thrips habitats are known as important factors influencing their populational biology.…”

Section: Introductionmentioning

confidence: 99%

Within-Crop Air Temperature and Humidity Outcomes on Spatio-Temporal Distribution of the Key Rose Pest Frankliniella occidentalis

Fatnassi¹,

Pizzol²,

Senoussi³

et al. 2015

PLoS ONE

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Frankliniella occidentalis (Pergande) is a key pest of various crops worldwide. In this study, we analyse the dependence of the infestation of this pest on spatially distributed micro climatic factors in a rose greenhouse. Despite the importance of this subject, the few existing studies have been realized in laboratory rather than in greenhouse conditions. However, recent progress on greenhouse microclimate characterisation has highlighted the strong indoor climate heterogeneity that may influence the within-crop pest distribution. In this study, both microclimate (air temperature and humidity) and thrips distribution were simultaneously mapped in a rose greenhouse. The measurements were sensed in a horizontal plane situated at mid-height of the rose crop inside the greenhouse. Simultaneously, thrips population dynamics were assessed after an artificial and homogeneous infestation of the rose crop. The spatio-temporal distribution of climate and thrips within the greenhouse were compared, and links between thrips infestation and climatic conditions were investigated. A statistical model was used to define the favourable climate conditions for thrips adults and larvae. Our results showed that (i) the air temperature and air humidity were very heterogeneously distributed within the crop, (ii) pest populations aggregated in the most favourable climatic areas and (iii) the highest population density of thrips adults and larvae were recorded at 27°C and 22°C for temperature and 63% and 86% for humidity, respectively. These findings confirm, in real rose cropping conditions, previous laboratory studies on the F. occidentalis climatic optimum and provide a solid scientific support for climatic-based control methods against this pest.

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“…formation of fruit damage (Baker et al, 2002;Navarro-Campus et al, 2012 and2013). During the first 3-6 weeks after petal fall, due to the larval activity of S. citri which is an important polyphagous thrips in citrus was caused similar damage with P. kellyanus (Rhodes and Morse, 1989).…”

Section: Discussionmentioning

confidence: 99%

A Harmful Thrips Species on Lemon in The Eastern Mediterranean Region of Turkey: Thrips hawaiiensis (Morgan) (Thysanoptera: Thripidae)

Atakan

Pehlivan

2020

Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi

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Some thrips species (Thysanoptera) are known as major pests because of causing the damage, especially to young citrus lemon fruits. Therefore, thrips surveys were carried out in from flowering period until the fruit reached a size of 4-5 cm in diameter in Adana and Mersin provinces, Turkey. In each orchard, 100 fruits were randomly collected and checked individually to determine thrips damage on young fruits. A total of 13 thysanopteran species were determined. Frankliniella occidentalis (Pergande) was the most common thrips species on different citrus varieties in Adana province, but Thrips hawaiiensis (Morgan) dominated thrips fauna in the citrus lemon groves in Mersin province. No thrips damage was recorded in the groves where F. occidentalis was commonly present. Thrips hawaiiensis appeared to be harmful on lemon flowers and fruits. Thrips caused silvery or bronzed stains on flowers and fruits. Thrips damage was observed in the mid-May when the flower density was low i.e. third or fourth weeks following petal fall. The staining rates on fruits due to T. hawaiiensis in the sampled lemon orchards ranged from 20 to 34%.

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Factors influencing citrus fruit scarring caused by Pezothrips kellyanus

Cited by 14 publications

References 23 publications

Augmentative releases of the soil predatory mite Gaeolaelaps aculeifer reduce fruit damage caused by an invasive thrips in Mediterranean citrus

Augmentative releases of the soil predatory mite Gaeolaelaps aculeifer reduce fruit damage caused by an invasive thrips in Mediterranean citrus

Within-Crop Air Temperature and Humidity Outcomes on Spatio-Temporal Distribution of the Key Rose Pest Frankliniella occidentalis

A Harmful Thrips Species on Lemon in The Eastern Mediterranean Region of Turkey: Thrips hawaiiensis (Morgan) (Thysanoptera: Thripidae)

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