The Ecological Role of Weeds in Insect Pest Management Systems: A Review Illustrated by Bean (<i>Phaseolus vulgaris</i>) Cropping Systems

Altieri, Miguel A.; Schoonhoven, A. van; Doll, Jerry D.

doi:10.1080/09670877709412428

Cited by 110 publications

(72 citation statements)

References 19 publications

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“…Despite a fairly significant effort to document the benefits of intercropping for various crop combinations (e.g., Altieri et al 1978, Theunissen and Den Ouden 1980, Risch 1980, Risch and Hansen 1982 and crop-weed combinations (e.g., Altieri et al 1977, 1981, Altieri and Cliessman 1983, Latheef and Ortiz 1983, Barney et al 1984, and to I Dept. of Entomology.…”

mentioning

confidence: 99%

Compatibility of Intercropping with Mechanized Agriculture: Effects of Strip Intercropping of Pinto Beans and Sweet Corn on Insect Abundance in Colorado

Capinera

Weissling

Schweizer

1985

Journal of Economic Entomology

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mentioning

confidence: 99%

Compatibility of Intercropping with Mechanized Agriculture: Effects of Strip Intercropping of Pinto Beans and Sweet Corn on Insect Abundance in Colorado

Capinera

Weissling

Schweizer

1985

Journal of Economic Entomology

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“…Intercropping, deliberate mixing r"» of more than one plant species in a given ^ area, has been conducted in a few agri-F cultural Systems with generally positive, tu if not somewhat mixed, results (Altieri O and Whitcomb 1979;Altieri et al 1977;£ Herzog and Funderburk 1985). Beirne £ (1967) noted that intercropping was sim-> ply proper integrated pest management Û-and Mills (1990) From life table data, the impact of natural enemies is known to be high for a number of important forest pests (Nealis 1991b).…”

Section: Habitat Conditions Nmentioning

confidence: 99%

“…The effect of increasing a plant's résis-tance to insect pests on the associated parasitoid guild of the pest (tri-trophic interaction) has also been examined in agricultural Systems but not in forestry (Altieri et al 1977;Bergman and Tingey 1979;Herzog and Funderburk 1985). In forestry, Thorpe and Caudle (1938) reported that a parasitoid of the European pine shoot moth was attracted to the plant upon which its host fed, however, no expérimental manipulations were ever conducted to quantify the impact of the host plant on natural enemy abundance.…”

Section: Indirectmentioning

confidence: 99%

Insect parasitoids : a Canadian perspective on their use for biological control of forest insect pests

Smith¹

2005

phyto

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An overview of biological control programs against forest insect pests is presented with emphasis on Canadian case histories. The work is examined in the context of conservation, introduction, and augmentation (environmental manipulation and inoculative and inundative release) of insect natural enemies, specifically parasitoids. Historically, studies have concentrated on introductions of exotic parasitoids for control of introduced pests where a number of successes have been recorded. More recent work has entailed inoculative and inundative releases of parasitoids against native pests in an attempt to establish new host-parasitoid relationships to reduce pest populations. These have had limited success and are still being explored by Canadian researchers. Current strategies for using natural enemies are inundative release of native species against native pests and conservation of native parasitoids through selective insecticide timing and forest manipulation. Future directions in biological control programs will include these approaches with increased emphasis on biotechnology and the genetic selection or manipulation of 'desired strains' for release. Continued ecological studies will be essential to ensure a more complete understanding of the interaction between these 'selected parasitoids' and the forest/tree parameters which will influence their success (tri-trophic interactions). These parameters, such as tree vigour (pest resistance), spatial distribution and diversity, will also be targeted for selection to improve the effect of insect natural enemies in the forest environment.

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“…As plantas invasoras são geralmente as únicas fontes de pólen e néctar que mantêm populações de insetos polinizadores de plantas cultivadas e de inimigos naturais das pragas (Altieri et al 1977). A alta diversidade de espécies de insetos, que pode ocorrer em locais com plantas invasoras, pode manter populações estáveis de insetos em áreas de culturas, resultando no aumento da eficiência do controle biológico (Altieri et al 1977, Lorenzato 1985.…”

unclassified

“…A alta diversidade de espécies de insetos, que pode ocorrer em locais com plantas invasoras, pode manter populações estáveis de insetos em áreas de culturas, resultando no aumento da eficiência do controle biológico (Altieri et al 1977, Lorenzato 1985.…”

unclassified

A estrutura da guilda de abelhas e vespas visitantes florais de Waltheria americana L. (Sterculiaceae)

Macedo

Martins²

1999

An. Soc. Entomol. Bras.

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Dedicamos este trabalho à memória do saudoso amigo Hermógenes de Freitas Leitão Filho pela sua expressiva contribuição ao conhecimento botânico e ecológico de plantas invasoras. ABSTRACT -The number of flowers produced by the weed Waltheria americana L (Sterculiaceae) and the number of flowering dicot species were quantified in two sites at the Campus of the Universidade Federal de Minas Gerais, to evaluate their seasonal relative importance as a source of nectar and pollen to a guild of 72 species of wasps and 37 species of bees. Differences between the average number of flowering dicot species between the dry and rainy seasons were found in only one of the sites. A significant difference in the number of flowers produced by W. americana between the two seasons was found in only one of the sites. Only the number of wasps visiting W. americana varied between seasons. Seasonal variation in guild composition was observed in one of the sites and only the bees showed a strong variation in species composition along the year. There was a positive correlation between the number of flowering dicot species and both the number of bee visits, and the number of flowers of W. americana. However, there were no differences between seasons in the average of visits. On the other hand, there was no correlation between the number of wasp visits to W. americana and either the number of flowers of W. americana or the number of other flowering dicot species in one site. On average, wasps visit W. americana more frequently in the rainy season than in the dry one in one of the sites, but the inverse occurred in the other site. The daily flower visitation of wasps and bees was most intense, and similar, between nine and 13 h. Because W. americana flowers year round and is a source of nectar for bees and wasps, its management could be important to maintain the diversity of bees and wasps in disturbed areas or agroecosystems, thus supporting insects which may act as pollinators and biological control agents, respectively.

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The Ecological Role of Weeds in Insect Pest Management Systems: A Review Illustrated by Bean (Phaseolus vulgaris) Cropping Systems

Cited by 110 publications

References 19 publications

Compatibility of Intercropping with Mechanized Agriculture: Effects of Strip Intercropping of Pinto Beans and Sweet Corn on Insect Abundance in Colorado

Compatibility of Intercropping with Mechanized Agriculture: Effects of Strip Intercropping of Pinto Beans and Sweet Corn on Insect Abundance in Colorado

Insect parasitoids : a Canadian perspective on their use for biological control of forest insect pests

A estrutura da guilda de abelhas e vespas visitantes florais de Waltheria americana L. (Sterculiaceae)

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