Fatores que afetam a oviposição de Bemisia tabaci (Genn.) biótipo B (Hemiptera: Aleyrodidae) em pimentão

Lima, Larissa Cardoso de; Campos, A. R.

doi:10.1590/s1519-566x2008000200012

Cited by 3 publications

(3 citation statements)

References 10 publications

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“…Our results agree with those of Lu et al [57] but differ from those of López et al [62], who indicated that the host plant did not influence the ability to generate offspring. In addition, this ability could depend on other factors such as the age of the plant, the position of the leaves within the foliage [63], or the quality of the foliage and its chemical composition [64]. However, these parameters were not measured in our study.…”

Section: Discussionmentioning

confidence: 86%

Reproductive Behavior of Trialeurodes vaporariorum (Westwood) (Hemiptera: Aleyrodidae) Relative to Different Host Plants in an Intensive Tomato Crop Region of Chile

Albornoz

Flores²,

Calderón

et al. 2023

Horticulturae

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Trialeurodes vaporariorum Westwood (Hemiptera: Aleyrodidae) is an important economic pest and has a worldwide distribution. In Chile, this species has been reported over a large geographical area and is associated with tomato production. Although several plants have been described as hosts of the whitefly, this insect’s behavior against multiple hosts is still unclear. Therefore, the objective of our work was to identify the host plants, behaviors, preferences, performance, and choices of T. vaporariorum. First, over one year, we monitored nine production sites where tomato is the principal crop and identified 50 host plants belonging to 27 families, mostly Asteraceae and Solanaceae. Among the plants, those that were most infested by greenhouse whiteflies comprised Solanum lycopersicum, Phaseolus vulgaris, Cucurbita maxima, Malva sylvestris, Bidens aurea, and Sonchus oleraceus. In laboratory tests, greenhouse whiteflies showed a greater preference for S. oleraceus, S. lycopersicum, and P. vulgaris. The highest population growth rate was observed for B. aurea, followed by S. lycopersicum and S. oleraceus. Significant differences were found in the pairwise choice test, showing a greater preference for C. maxima and S. lycopersicum. Although this pest tends to choose tomatoes, this crop was not always the first choice in terms of preference and performance. This information is necessary for the development of integrated whitefly management programs that include adjacent habitats.

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Section: Discussionmentioning

confidence: 86%

Reproductive Behavior of Trialeurodes vaporariorum (Westwood) (Hemiptera: Aleyrodidae) Relative to Different Host Plants in an Intensive Tomato Crop Region of Chile

Albornoz

Flores²,

Calderón

et al. 2023

Horticulturae

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“…It also has higher oviposition and feeding rates, and produces larger quantities of honeydew, in addition to inducing physiological disorders in infested plants (Perring 2001, Lima & Campos 2008.…”

Section: Introduc Onmentioning

confidence: 99%

“…Several studies report the importance of this pest species in other crops, such as beans, courgettes, okras, sweet peppers, tomatoes and watermelons (Lima & Campos 2008, Oriani et al 2008, Baldin et al 2009, Coelho et al 2009, Silva et al 2009. For soybean, the main damage stems from virus transmission, which is characterised by severe nanism, leaf curling, intense chlorosis and reduced seed production (Valle & Lourenção 2002).…”

Section: Introduc Onmentioning

confidence: 99%

Silicon influence on resistance induction against Bemisia tabaci biotype B (Genn.) (Hemiptera: Aleyrodidae) and on vegetative development in two soybean cultivars

Ferreira¹,

Moraes²,

Antunes³

2011

Neotrop. entomol.

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The potential of populations of Bemisia tabaci (Genn.) to become resistant to insecticides has stimulated research into alternative tactics of integrated pest management such as the induction of hostplant resistance. Recent data have shown that silicon can increase the degree of resistance of host plants to insect pests. Therefore the aim of our work was to study the effects of silicon application on the vegetative development of soybean plants and on the induction of resistance to the silverleaf white ly, B. tabaci biotype B. We performed choice and no-choice tests of oviposition preference on two soybean cultivars, IAC-19 (moderately resistant to B. tabaci biotype B) and MONSOY-8001 (susceptible), with and without application of silicon. Silicon did not affect silverleaf white ly oviposition preferences, but caused signi icant mortality in nymphs. Thus, silicon increased the degree of resistance to silverleaf white ly. Silicon decreased the production of phenolic compounds, but did not affect lignin production. However, when applied to cultivar IAC-19, it increased the production of non-protein organic nitrogen. Silicon had no effect on the vegetative development of soybean plants, but it increased the degree of resistance to the silverleaf white ly. We conclude that silicon applications combined with cultivar IAC-19 can signi icantly decrease silverleaf white ly populations, having a positive impact both on the soybean plant and on the environment.

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Danos da Mosca-Branca Bemisia Tabaci (Genn.) e distribuição vertical das ninfas em cultivares de soja em casa de vegetação

et al. 2013

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A mosca-branca Bemisia tabaci causa danos em plantas de soja em decorrência da sucção de seiva, transmissão de vírus e favorecimento da fumagina, que afetam o desenvolvimento e a produção da cultura. O objetivo deste trabalho foi avaliar os danos diretos da mosca-branca e a distribuição vertical de ninfas em cultivares de soja em condições de casa de vegetação. O delineamento experimental foi de blocos ao acaso, com 10 cultivares no esquema fatorial 10 x 2 (com e sem infestação) e 4 repetições. Contabilizou-se o número de ovos e ninfas em todos os folíolos e, separadamente, em um folíolo do terços superior, médio e inferior das plantas Os índices de produtividade analisados foram: número de vagens por planta e de grãos por vagem, massa de 100 grãos e massa total de duas plantas. Os dados foram submetidos à análise de variância e ao teste F (α < 0,05) e as médias comparadas pelo teste de Tukey ao nível de 5% de probabilidade, obtendo-se as diferenças mínimas significativas entre os tratamentos. As cultivares estudadas não foram afetadas pelo ataque de B. tabaci nos níveis de infestação registrados. CD 219 RR foi o cultivar mais infestada por ninfas de mosca-branca. Para melhorar a eficiência e o uso de tempo nas avaliações, em estudos em casa de vegetação, indica-se que estas sejam realizadas nos terços superior e médio das plantas.PALAVRAS-CHAVE: Aleyrodidae, Glycine max, biótipo B, amostragem, resistência. ABSTRACT DAMAGE OF WHITEFLY (BEMISIA TABACI) (GENNADIUS, 1889) (HEMIPTERA: ALEYRODIDAE) AND VERTICAL DISTRIBUTION OF NYMPHS IN SOYBEAN GLYCINE MAX (L.) MERRIL CULTIVARS IN THE GREENHOUSE. The whitefly (Bemisia tabaci)causes damage in the soybean crop by sucking the plant sap, transmission of viruses and promoting sooty mold that affect the growing and the soybean production. The goal of this work was to evaluate the direct damage of the whitefly, and the vertical nymph distribution, on soybean cultivars under greenhouse conditions. The experimental design was randomized blocks with 10 cultivars in a 10 x 2 factorial scheme (infestation and without infestation) and 4 replications. Counts were made of the number of eggs and nymphs in the upper, middle and lower third of the plants. The productive indices were: number of pods per plant and grains per pod, weight of 100 grains, and weight of 2 plants. The data were submitted to variance analysis and F test (α < 0.05), and the means were compared by Tukey test at 5% probability, obtaining the least significant difference between treatments. The cultivars were not affected by the B. tabaci attack at the infestations levels registered. CD 219 RR was the cultivar most infested by the whitefly nymphs. For better efficiency and use of time in the evaluations, in greenhouse studies it is suggested that they be carried out in the upper and middle thirds of the soybean plants.

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Fatores que afetam a oviposição de Bemisia tabaci (Genn.) biótipo B (Hemiptera: Aleyrodidae) em pimentão

Cited by 3 publications

References 10 publications

Reproductive Behavior of Trialeurodes vaporariorum (Westwood) (Hemiptera: Aleyrodidae) Relative to Different Host Plants in an Intensive Tomato Crop Region of Chile

Reproductive Behavior of Trialeurodes vaporariorum (Westwood) (Hemiptera: Aleyrodidae) Relative to Different Host Plants in an Intensive Tomato Crop Region of Chile

Silicon influence on resistance induction against Bemisia tabaci biotype B (Genn.) (Hemiptera: Aleyrodidae) and on vegetative development in two soybean cultivars

Danos da Mosca-Branca Bemisia Tabaci (Genn.) e distribuição vertical das ninfas em cultivares de soja em casa de vegetação

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