Interaction of spirodiclofen with insecticides for the control of <i>Brevipalpus yothersi</i> in citrus

Vechia, Jaqueline Franciosi Della; Ferreira, M. C.; Andrade, Daniel Júnior de

doi:10.1002/ps.4918

Cited by 24 publications

(10 citation statements)

References 31 publications

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“…The fruits were washed with tap water and partially covered with wax, leaving a small uncovered area (about 10 cm 2 ) for mite colonization. Fruit surface roughness was simulated within these arenas using a mixture of sand, gypsum, wheat flour, and water (4:1:1:3) . The arenas were delimited by entomological glue (Cola Tatoo®, Isca Tecnologias, Ijuí, Rio Grande do Sul, Brazil) to prevent mites from escaping.…”

Section: Methodsmentioning

confidence: 99%

“…Fruit surface roughness was simulated within these arenas using a mixture of sand, gypsum, wheat flour, and water (4:1:1:3). 18 The arenas were delimited by entomological glue (Cola Tatoo ® , Isca Tecnologias, Ijuí, Rio Grande do Sul, Brazil) to prevent mites from escaping. The colony was maintained for years in a climate-controlled chamber (25 ± 1 ∘ C, 60 ± 5% RH, and 12 L: 12D h photoperiod).…”

Section: Brevipalpus Yothersi Colonymentioning

confidence: 99%

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Sublethal effects of spirodiclofen on biological and demographic parameters of the citrus leprosis mite Brevipalpus yothersi (Acari: Tenuipalpidae)

Amaral

Melville

Rocha

et al. 2019

Pest Management Science

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BACKGROUND Brevipalpus yothersi Baker is one of the main vectors of citrus leprosis. Knowing the biology of this mite species when under chemical control is extremely important to understand its population dynamics, and then to solve problems of management of this pest. Therefore, we assessed the effects of one sublethal dose of spirodiclofen (0.48 ppm) on biological and demographic parameters of B. yothersi under laboratory and greenhouse conditions, comparing them with non‐exposed mite population. RESULTS Under laboratory conditions, where citrus fruits were used as a substrate, the duration of developmental stages (pre‐egg‐laying and egg‐laying) and mite longevity showed no differences between treatments. However, the number of laid eggs increased in acaricide‐treated fruits. In the greenhouse experiment, where citrus plants were used as a substrate, the instantaneous growth rate (ri) of mites was positive in all untreated plots. In contrast, in treated plants, ri was negative in 12 experimental units, and mite populations were suppressed in five of them. Moreover, mite population dynamics had a positive ri in three treated plants. CONCLUSIONS Spirodiclofen sublethal dose had no negative effect on the offspring of B. yothersi females. However, it is not safe for citrus leprosis mite since it may increase egg number per female in some conditions. Biological and demographic differences could influence mite population dynamics in the field, requiring appropriate management strategies to improve citrus leprosis control. © 2019 Society of Chemical Industry

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Section: Methodsmentioning

confidence: 99%

Section: Brevipalpus Yothersi Colonymentioning

confidence: 99%

Sublethal effects of spirodiclofen on biological and demographic parameters of the citrus leprosis mite Brevipalpus yothersi (Acari: Tenuipalpidae)

Amaral

Melville

Rocha

et al. 2019

Pest Management Science

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“…More than 40 plant species have been reported as natural hosts of Brevipalpus -transmitted viruses (BTVs) (3). Despite the intense use of pesticides and acaricides (4), even low population densities of the false spider mites are sufficient to infest citrus orchards and spread diseases such as citrus leprosis (CL) in Brazil (5) and potentially in the United States and the European Union (6). Most tropical and subtropical regions in the world have resident Brevipalpus mites (1), and these pose a major threat to crops affected by the transmitted viruses.…”

Section: Announcementmentioning

confidence: 99%

Draft Genome Assembly of the False Spider Mite Brevipalpus yothersi

Návia

Novelli

Rombauts

et al. 2019

Microbiol Resour Announc

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“…This happens due to deficient monitoring of the mite within the orchards as a result of a low frequency of inspections and use of an inappropriate sampling methodology, which mislead the detection of the initial population of the vector 48 . Long intervals or delays in spraying acaricides as a result of the competition for equipment used to control other pests and diseases considered more important, poor quality of sprays and the negative effect of tank mixtures of some acaricides with other products such as fertilizers and insecticides have also affected the control of leprosis 52–54 . In addition, the increase of leprosis is being associated with negative effects caused by the chemical control of other diseases and pests.…”

Section: Discussionmentioning

confidence: 99%

Impact of diseases and pests on premature fruit drop in sweet orange orchards in São Paulo state citrus belt, Brazil

Machado

Lanza

Trombin³

et al. 2022

Pest Management Science

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Background Despite technical improvements in the citrus chain and leadership in orange production achieved in the past decades, premature fruit drop remains a major component of crop loss in São Paulo state citrus belt, the largest sweet orange production area in the world. The present study aimed to determine, during five consecutive seasons, the impact of the diseases and pests on premature fruit drop in the orange belt. Results Fruit drop due to the main diseases and pests averaged approximately 11.0%, which corresponded to approximately 63% of the annual fruit drop. The average fruit drop rate due to fruit borer and fruit flies combined was 4.0%, Huanglongbing (HLB) 3.3%, black spot 2.6%, leprosis 1.0% and citrus canker 0.3%. The average amount of fruit drop (million 40.8 kg boxes) and value of crop losses (million US$ dollars), in five seasons, were 12.7 and 66.2 for fruit borer/fruit flies, 11.0 and 57.9 for HLB, 8.1 and 42.2 for black spot, 3.1 and 15.6 for leprosis, and 0.9 and 4.9 for citrus canker, respectively. Conclusion Fruit borer and fruit flies (combined), HLB, black spot, leprosis and citrus canker are, in this order, the main diseases and pests in the orange belt of São Paulo state. All of these causes significantly increased the overall fruit drop rate in the evaluated seasons. The results will contribute to the development of the Brazilian citrus industry, while showing to other citrus‐growing regions the potential that diseases and pests have to jeopardize production. © 2022 Society of Chemical Industry.

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Interaction of spirodiclofen with insecticides for the control of Brevipalpus yothersi in citrus

Abstract: Application of a combination of spirodiclofen with phosmet or imidacloprid compromises the efficiency of acaricide in the control of B. yothersi. © 2018 Society of Chemical Industry.

Cited by 24 publications

References 31 publications

Sublethal effects of spirodiclofen on biological and demographic parameters of the citrus leprosis mite Brevipalpus yothersi (Acari: Tenuipalpidae)

Sublethal effects of spirodiclofen on biological and demographic parameters of the citrus leprosis mite Brevipalpus yothersi (Acari: Tenuipalpidae)

Draft Genome Assembly of the False Spider Mite Brevipalpus yothersi

Impact of diseases and pests on premature fruit drop in sweet orange orchards in São Paulo state citrus belt, Brazil

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