Differential Efficacy of Insecticides According to Crop Growth: The Citrus Psyllid on Citrus Plants

Ichinose, Katsuya; Miyaji, Katsuhiko; Matsuhira, Kunihiko; Yasuda, Keiji; Sadoyama, Yasutsune; Tuan, Do Hong; Hòa, Nguyễn Văn; Bang, Doan Van

doi:10.5772/18859

Cited by 3 publications

(14 citation statements)

References 10 publications

(15 reference statements)

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“…With the worldwide establishment of HLB, there is a significant increase in both the portfolio of insecticides and insecticide applications made per year (1–21) to fight the ACP‐HLB threat . The per hectare annual cost of ACP management in citrus could range from $US 240 to > $US 1000, depending on the type of insecticide used, application frequency and method of application .…”

Section: Chemical Control Of Acpmentioning

confidence: 99%

“…imidacloprid and sulfoxaflor + 435 HMO) at field labeled rates and an experimental use permit butenolide compound (flupyradifurone + 435 HMO) provided protection from ACP . The protection lasted anywhere between 1.5 and 6 weeks, depending on the insecticide, rate used, application method, tree age (canopy size) and citrus variety . Field studies conducted on young King mandarin trees in Vietnam and mature (five‐year‐old) Valencia orange trees in the United States, however, found that foliar application of neonicotinoids (clothianidin, imidacloprid and thiamethoxam) and an anthranilic diamide (cyantraniliprole) gave the longest‐lasting protection (8–9 weeks), and among the three neonicotinoids, imidacloprid provided maximum control of adults (50–90%) .…”

Section: Chemical Control Of Acpmentioning

confidence: 99%

“…There are only a few classes of chemistry available for soil application. Insecticides used for these applications belong to OP (dimethoate, methamidophos, methidathion and monocrotophos), carbamate (aldicarb and oxamyl) and neonicotinoid (acetamiprid, clothianidin, imidacloprid, nitenpyram and thiamethoxam) chemistries (Table ) …”

Section: Chemical Control Of Acpmentioning

confidence: 99%

“…Similarly to young trees, seedlings and resets in newly established groves need continuous protection from ACP infestation, and both imidacloprid and thiamethoxam, owing to their effective killing action and longer‐lasting residual activity, were highly effective in controlling ACP and reducing/preventing HLB incidence in the field . For example, in Vietnam, newly planted seedlings in the field were protected by following one of two recommended practices.…”

Section: Chemical Control Of Acpmentioning

confidence: 99%

“…For example, in Vietnam, newly planted seedlings in the field were protected by following one of two recommended practices. The first was use of the neonicotinoids imidacloprid (0.2 g plant −1 ), thiamethoxam (0.17 g plant −1 ) or clothianidin (0.19 g plant −1 ) 5–10 days before planting in the grove by drenching of potting soil and making subsequent applications at 60 days interval in the field . The second was treating with a reduced rate of imidacloprid (0.15 g plant −1 ), but applying more frequently (30 days interval) to trunks of newly planted seedlings, which significantly delayed the incidence and spread of HLB .…”

Section: Chemical Control Of Acpmentioning

confidence: 99%

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Chemical control of the Asian citrus psyllid and of huanglongbing disease in citrus

Boina

Bloomquist

2015

Pest Management Science

170

147

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By 2014, huanglongbing (HLB), the most destructive disease of citrus, and its insect vector, the Asian citrus psyllid (ACP), Diaphorina citri (Kuwayama), became established in all major citrus-growing regions of the world, including the United States, with the exception of California. At present, application of insecticides is the most widely followed option for reducing ACP populations, while application of antibiotics for suppressing HLB disease/symptoms is being practiced in some citrus-growing regions. Application of insecticides during the dormant winter season, along with cultivation of HLB-free seedlings and early detection and removal of symptomatic and asymptomatic trees, has been very effective in managing ACP. Area-wide management of ACP by application of insecticides at low volume in large areas of citrus cultivation has been shown to be effective in managing HLB and reducing management costs. As insecticide resistance is a major problem in sustainable management of ACP, rotation/alternation of insecticides with different chemistries and modes of action needs to be followed. Besides control of the insect vector, use of antibiotics has temporarily suppressed the symptoms of HLB in diseased trees. Recent efforts to discover and screen existing as well as new compounds for their antibiotic and antimicrobial activities have identified some promising molecules for HLB control. There is an urgent need to find a sustainable solution to the HLB menace through chemical control of ACP populations and within HLB-infected trees through the judicious use of labeled insecticides (existing and novel chemistries) and antibiotics in area-wide management programs with due consideration to the insecticide resistance problem.

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Section: Chemical Control Of Acpmentioning

confidence: 99%

Section: Chemical Control Of Acpmentioning

confidence: 99%

Section: Chemical Control Of Acpmentioning

confidence: 99%

Section: Chemical Control Of Acpmentioning

confidence: 99%

Section: Chemical Control Of Acpmentioning

confidence: 99%

See 3 more Smart Citations

Chemical control of the Asian citrus psyllid and of huanglongbing disease in citrus

Boina

Bloomquist

2015

Pest Management Science

170

147

View full text Add to dashboard Cite

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Huanglongbing Control: Perhaps the End of the Beginning

Munir

et al. 2017

Microb Ecol

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Huanglongbing (HLB) is one of the most destructive citrus plant diseases worldwide. It is associated with the fastidious phloem-limited α-proteobacteria 'Candidatus Liberibacter asiaticus', 'Ca. Liberibacter africanus' and 'Ca. Liberibacter americanus'. In recent years, HLB-associated Liberibacters have extended to North and South America. The causal agents of HLB have been putatively identified, and their transmission pathways and worldwide population structure have been extensively studied. However, very little is known about the epidemiologic relationships of Ca. L. asiaticus, which has limited the scope of HLB research and especially the development of control strategies. HLB-affected plants produce damaged fruits and die within several years. To control the disease, scientists have developed new compounds and screened existing compounds for their antibiotic and antimicrobial activities against the disease. These compounds, however, have very little or even no effect on the disease. The aim of the present review was to compile and compare different methods of HLB disease control with newly developed integrative strategies. In light of recent studies, we also describe how to control the vectors of this disease and the biological control of other citrus plant pathogens. This work could steer the attention of scientists towards integrative control strategies.

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Asian Citrus Greening and Assessment of Current Techniques for Reducing Disease Occurrences

Iwanami¹,

Tuan²,

Ichinose

et al. 2013

JASA

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Asian citrus greening (hereafter, CG) is an incurable disastrous disease of citrus, caused by the pathogen "Candidatus Liberibacter asiaticus" in Asia, USA, and Brazil. This pathogen is transmitted by the citrus psyllid Diaphorina citri in these countries, and trees, once infected, die within several years. Psyllids that acquire the pathogen in their fourth or fifth instar transmit it most successfully. Since no bactericides are available for sustainable management of CG, current CG management techniques depend mainly on the control of the vector by insecticides. Monthly or every-twomonth application of neonicotinoids is perceived to be the most effective technique for vector control. Cultivational measures for CG control have also been investigated. Recently, guava interplanting has been found to be more effective on CG for about one and a half years after planting, during which it prevents CG invasion almost completely. The efficacy of guavainterplanting would be overcome by that of insecticide control in three years, though. In orchards surrounding or located in areas with dominant prevalence of CG, insufficient or inappropriate vector control allows invasion of psyllids into the orchards, resulting in severe infection of the trees with CG. None of the current management techniques can completely prevent psyllid invasion. Thus, regardless of the management programs that may be undertaken, CG expansion is inevitable. Irrespective of the knowledge accumulated on CG in the past decades, the extent to which individual management techniques can contribute to reduce CG remains unclear. Here, we review the management techniques for CG and attempt to evaluate the efficiency of individual techniques in reducing CG occurrence.

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Differential Efficacy of Insecticides According to Crop Growth: The Citrus Psyllid on Citrus Plants

Cited by 3 publications

References 10 publications

Chemical control of the Asian citrus psyllid and of huanglongbing disease in citrus

Chemical control of the Asian citrus psyllid and of huanglongbing disease in citrus

Huanglongbing Control: Perhaps the End of the Beginning

Asian Citrus Greening and Assessment of Current Techniques for Reducing Disease Occurrences

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