Biologia de Tenuipalpus heveae Baker (acari, Tenuipalpidae) em três clones de Fevea brasileinsis Muell. Arg. (Euphorbiaceace)

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Transmissibilidade da leprose das cercas-vivas, quebra-ventos e plantas daninhas para citros através de Brevipalpus phoenicis (Geijskes, 1939) (Acari: Tenuipalpidae)

Pós-graduação em Agronomia (Entomologia Agrícola) - FCAV

Efeito de diferentes águas e fertilizantes foliares em caldas acaricidas no controle do ácaro Brevipalpus phoenicis (Geijskes, 1939) (Acari: Tenuipalpidae) em citros

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Biologia do ácaro Brevipalpus phoenicis (Geijskes, 1939) (Acari: Tenuipalpidae) em condições de campo

Pós-graduação em Agronomia (Proteção de Plantas) - FCA

Resíduos em frutos e atividade do acaricida etoxazole sobre o ácaro-da-leprose, Brevipalpus phoenicis (Geijskes, 1939) (Acari: tenuipalpidae), em citros

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Comportamento de clones de seringueira quanto ao ataque de Tenuipalpus heveae Baker (Acari: Tenuipalpidae) e potencial de Euseius citrifolius Denmark & Muma (Acari: Phytoseiidae) como seu predador

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Transmissão do vírus da leprose dos citros por Brevipalpus phoenicis (Geijskes, 1939) (Acari: Tenuipalpidae) para plantas associadas a pomares cítricos

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Calacarus heveae Feres (Eriophyidae) e Tenuipalpus heveae Baker (Tenuipalpidae) em seringueira: planos de amostragem, efeito da adubação silicatada no desenvolvimento populacional e validação de escala de notas para avaliação do desfolhamento

Pós-graduação em Agronomia - FEIS

Atividade de acaricidas sobre o Ácaro-da-leprose, Brevipalpus phoenicis (Geijskes) (Acari: Tenuipalpidae) e sobre artrópodes benéficos na cultura dos citros

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Toxicidade de agroquímicos ao ácaro-da-leprose dos citros Brevipalpus phoenicis (Geijskes) e ao ácaro predador Neoseiulus californicus (McGregor) (Acari: Tenuipalpidae, Phytoseiidae)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Technical and economic evaluation of different types of control of Brevipalpus phoenicis (Acari: Tenuipalpidae) in citrus leprosies management

The objective of this work was to evaluate the effect of acaricide applications and pruning of symptomatic branches in citrus leprosis management in Brazil. It was conducted in an orange plantation of the 'Pera' variety, grafted onto the 'Cleopatra' tangerine, in two seasons (2006-2007 and 2007-2008). The experimental design was randomized blocks in a factorial scheme consisting of the following factors: (A) acaricide, in three levels: spirodiclofen and cyhexatin applied in rotation, lime sulphur; no acaricides; (B) pruning to remove branches that showed symptoms of leprosis, with two levels: with pruning, without pruning. We carried out periodic assessments of Brevipalpus phoenicis (Geijskes) populations (vector of the leprosis virus), leprosis incidence and severity, fruit yield, and the economic feasibility of the applied strategies. Based on the results, we concluded that spirodiclofen and cyhexatin were more effective than lime sulphur in B. phoenicis control. Control with lime sulphur required more applications than spirodiclofen and cyhexatin in rotation, making it more expensive. Pruning of symptomatic branches used in isolation was not sufficiently effective to control leprosis and significantly increased control costs. Profits were higher when the control involved sprayings of spirodiclofen and cyhexatin in alternation, with or without pruning.

Distribuição espacial e temporal de Brevipalpus phoenicis (Acari: Tenuipalpidae) virulíferos e da leprose-dos-citros em pomares em controle químico

Pós-graduação em Agronomia (Entomologia Agrícola) - FCAV

Reinstatement of the genus Colopalpus Pritchard and Baker (1958) and re-description of Colopalpus matthyssei Pritchard and Baker (1958), the type species of the genus (Acari, Tenuipalpidae)

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Life cycle of Raoiella indica (Acari: Tenuipalpidae) on ornamental plants, mostly Arecaceae

The red palm mite, Raoiella indica Hirst, has been primarily found associated with coconut and musaceous plants in the New World. However, it has also been recorded on several other palms, heliconiaceous and zingiberaceous species. This study was conducted to evaluate the suitability of different botanical families on which R. indica has been collected in the field and of arecaceous plants of the natural vegetation of the neotropics. In total, ten species of Arecaceae as well as Heliconia psittacorum [Heliconiaceae] and Alpinia purpurata [Zingiberacae] were evaluated, using coconut as a control. The study was carried out under controlled conditions (29 +/- A 0.5 A degrees C, 60 +/- A 10 % RH and photoperiod 12 h of light). Raoiella indica was able to complete immature development only on coconut, Adonidia merrillii, Ptychosperma macarthurii, H. psittacorum and A. purpurata. Duration of the immature phase (egg-adult) ranged between 21.5 days on coconut to 34.1 days on A. purpurata. Longevity was at least 50 % greater and oviposition at least 38 % higher on coconut than on other plants. Intrinsic rate of increase (r(m)) was higher on coconut (0.166) and A. merrillii (0.042), but negative on the other two plant species. Raoiella indica could not reach adulthood on any of the other ten arecaceous species considered in the study. The results suggested R. indica to be a threat to A. merrillii in addition to coconut, but not to other evaluated plants. However, complementary studies should be conducted to investigate whether the experimental procedures adopted in this study could not have prevented the mite from a better performance than it could have been under field conditions, especially in relation to Mauritia flexuosa, one of the dominant arecaceous plants in South America.

Interspecific interactions involving Neoseiulus californicus (Acari: Phytoseiidae) and Agistemus brasiliensis (Acari: Stigmaeidae) as predators of Brevipalpus phoenicis (Acari: Tenuipalpidae)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)