Variações sazonais da migração de Myzus persicaeem Campinas nos anos de 1967 a 1969

Costa, C. L.

doi:10.1590/s0006-87051970000100032

Cited by 10 publications

(9 citation statements)

References 13 publications

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“…comm. ), and males are frequently trapped in Sao Paulo, Brazil, in the coldest months of the year (Costa, 1970;V. F. Eastop, pers.…”

Section: Discussionmentioning

confidence: 99%

The inheritance of life-cycle differences in Myzus persicae (Sulz.) (Hem., Aphididae)

Blackman¹

1972

Bull. Entomol. Res.

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IntroductionThe peach-potato aphid, Myzus persicae (Sulz.), is the most notable of several economically important aphids which maintain alternative methods of overwintering in mild temperate climates. Sexual forms may be produced in the autumn, but parthenogenesis may also continue through the winter when and where conditions permit (anholocycly). In a previous paper (Blackman, 1971), this life-cycle variability was examined in natural populations of M. persicae by comparing and classifying the responses to a short photoperiod of clones from field-collected alienicolae. Different categories of response were denned, and a feature of all populations sampled was the common occurrence of ' androcyclic' clones, i.e., clones which continued to reproduce parthenogenetically in a short photoperiod but also produced some males. The occurrence of these androcyclic clones made it possible to begin a study of the genetic basis of the life-cycle variability, by crossing males from an androcyclic clone with sexual females from a holocyclic clone. Some results of this investigation are reported in this paper.

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“…comm. ), and males are frequently trapped in Sao Paulo, Brazil, in the coldest months of the year (Costa, 1970;V. F. Eastop, pers.…”

Section: Discussionmentioning

confidence: 99%

The inheritance of life-cycle differences in Myzus persicae (Sulz.) (Hem., Aphididae)

Blackman¹

1972

Bull. Entomol. Res.

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“…Experimental studies would be needed to determine whether androcyclic rather than anholocyclic aphids form the major proportion of M. persicae populations in these conditions. It is significant that male M. persicae were caught from June to September in all-year-round traps for flying aphids in the region of Sao Paulo, Brazil, where the holocycle has not yet been recorded (Costa, 1970). Males have also been collected from Solanaceae in Hong Kong in January (J. R. Metcalfe, pers.…”

Section: Subtropical Zonementioning

confidence: 99%

Life-cycle variation ofMyzus persicae(Sulz.) (Hom., Aphididae) in different parts of the world, in relation to genotype and environment

Blackman¹

1974

Bull. Entomol. Res.

152

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Life-cycle variation, involving alternative methods of overwintering (holocycly and anholocycly), is found in many important pest aphids, and may have considerable ecological, genetic and economic significance. The occurrence of life-cycle variation in Myzus persicae (Sulz.) in different parts of the world is reviewed. The holocycle of M. persicae, with sexual reproduction and overwintering of eggs on Prunus, occurs in the temperate regions of every continent, and although anholocycly is widespread in warm climates there are indications that the potential for sexual reproduction may be retained throughout the whole range of the species. The environmental factors involved in the determination of sexual morphs are considered. Photoperiodism provides the timing mechanism for sexual morph production, and the photoperiodic response is probably tuned to different regional conditions and buffered against other environmental variables within certain limits. The only other environmental factor clearly implicated in sexual morph production is temperature, and an attempt is made to correlate the global pattern of life-cycle variation in M. persicae with temperature differences between regions, by dividing the world into six zones delimited by selected isotherms. The overall pattern of life-cycle variation can be explained largely on the basis of climatic differences between zones, and the effects of these differences on gene and genotype frequencies within the species. Clones of androcyclic character seem to be widespread and, although genetically isolated anholocyclic biotypes undoubtedly exist, androcyclic clones could be the principal source of parthenogenetic overwinterers in all parts of the world where life-cycle differences exist within populations.

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“…No Brasil, há poucos trabalhos sobre a dinâmica populacional de formas aladas de B. brassicae, L. erysimi e M. persicae. Costa (1970) estudou a migração de M. persicae na região de Campinas, SP. Alguns estudos relacionam-se com levantamento populacional dos alados das referidas espécies (Oliveira, 1971;Rossi et al, 1990;Carvalho et al, 2002;Cividanes, 2002a O levantamento populacional dos pulgões foi realizado com uso de duas armadilhas tipo bandeja amarela com água, distanciadas 10 m entre si e inseridas em aros de metal, suspensos por hastes de madeira a 120 cm de altura em relação ao solo, conforme metodologia utilizada por Gutierrez et al (1974).…”

Section: Introductionunclassified

Ocorrência de formas aladas de pulgões e sua relação com fatores meteorológicos e plantas hospedeiras

Cividanes

Santos-Cividanes

2010

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi determinar o padrão de revoadas e a infl uência de fatores meteorológicos e de Brassicaceae sobre populações de formas aladas dos pulgões Brevicoryne brassicae, Lipaphis erysimi e Myzus persicae. Os pulgões foram amostrados em armadilhas tipo bandeja amarela com água, entre julho de 1997 e agosto de 2005. A correlação parcial de Pearson foi utilizada para verifi car a infl uência da temperatura do ar, umidade relativa, chuva e insolação na abundância de alados das três espécies. A infl uência de brassicáceas foi avaliada pelo cálculo do número de graus-dia acumulados acima da temperatura base inferior dessas plantas. Lipaphis erysimi foi mais numerosa que M. persicae e B. brassicae. Os alados de B. brassicae apresentaram revoadas que predominaram de agosto a outubro, com o pico de abundância em setembro. Os períodos de revoada de L. erysimi e M. persicae foram mais longos que o de B. brassicae, com os maiores picos de L. erysimi e M. persicae observados de abril a novembro e de junho a outubro, respectivamente. A população de B. brassicae teve correlação signifi cativa com as temperaturas máxima e mínima, insolação e umidade relativa do ar, enquanto L. erysimi e M. persicae foram afetadas apenas pela insolação e umidade relativa.Termos para indexação: Brassica oleracea, dinâmica populacional, dispersão, padrão de revoada, pulgão. Occurrence of alate aphids and their relationship with meteorological factors and host plantsAbstract -The objective of this work was to determine the fl ight patterns and the infl uence of meteorological factors and Brassicaceae on the populations of the alate aphids Brevicoryne brassicae, Lipaphis erysimi and Myzus persicae. The alate aphids were sampled using yellow water traps between July of 1997 and August of 2005. The Pearson partial correlation was used to determine the infl uence of air temperature, relative humidity, rainfall and insolation on the abundance of alate. The infl uence of Brassicaceae was assessed by accumulated degree-days above the temperature threshold of these plants. Lipaphis erysimi was more abundant than M. persicae and B. brassicae. The alate B. brassicae showed the highest fl ight frequency between August and October, with the abundance peak in September. The fl ight frequency of L. erysimi and M. persicae were longer than B. brassicae, with the alate abundance peaks of L. erysimi and M. persicae observed from April to November and from June to October, respectively. The population of B. brassicae showed signifi cant correlation with the maximum and minimum temperatures, insolation and relative humidity, while L. erysimi and M. persicae were only affected by insolation and relative humidity.

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Variações sazonais da migração de Myzus persicaeem Campinas nos anos de 1967 a 1969

Cited by 10 publications

References 13 publications

The inheritance of life-cycle differences in Myzus persicae (Sulz.) (Hem., Aphididae)

The inheritance of life-cycle differences in Myzus persicae (Sulz.) (Hem., Aphididae)

Life-cycle variation ofMyzus persicae(Sulz.) (Hom., Aphididae) in different parts of the world, in relation to genotype and environment

Ocorrência de formas aladas de pulgões e sua relação com fatores meteorológicos e plantas hospedeiras

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