Garden Flowers: Insect Visits and the Floral Reward of Horticulturally-modified Variants

Comba, Livio

doi:10.1006/anbo.1998.0798

Cited by 84 publications

(63 citation statements)

References 34 publications

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“…Frankie et al 2005), but not all types of plants (e.g. Comba et al 1999;Corbet et al 2001), and floral abundance can be a major factor affecting bees in urban environments (Matteson and Langellotto 2010). In a study of bees in urban habitats in Vancouver, British Columbia, Tommasi et al (2004) found that species richness of bees, including bumblebees, did not differ significantly between city gardens and traditional flowerbeds.…”

Section: Discussionmentioning

confidence: 99%

Bumblebees in the city: abundance, species richness and diversity in two urban habitats

Gunnarsson

Federsel

2014

J Insect Conserv

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Bumblebees are well known for their contribution to the ecosystem service of pollination. In urban areas, green space management beneficial to pollinators can be an important step in sustaining large urban bee populations. The abundance, number of species and diversity of bumblebees (Bombus spp), as well as the abundance of honeybees (Apis mellifera), were studied in 13 urban gardens (including allotments) and 13 ornamental flowerbeds (in parks and green spaces) in the city centre of Gothenburg, Sweden. In total, 12 species of bumblebees were observed. Species richness was significantly higher in gardens than in flowerbeds, but diversity (Berger-Parker and Simpson indices) was higher in flowerbeds than in urban gardens. The abundance in gardens was significantly higher and approximately twice that found in flowerbeds. The number of honeybee individuals was positively correlated with the abundance of bumblebees. Neither species richness nor abundance of bumblebees was affected by site size. However, a high flowering frequency positively affected the total number of bumblebee and honeybee individuals at the sites. We conclude that urban gardens contribute to sustaining a high abundance of bumblebees in the city centre, and indirectly facilitates small scale urban food production. A pollinator-friendly management of urban green space with plentiful flowering may promote a community of bumblebees with high abundance and diversity.

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Section: Discussionmentioning

confidence: 99%

Bumblebees in the city: abundance, species richness and diversity in two urban habitats

Gunnarsson

Federsel

2014

J Insect Conserv

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“…capitata L.), tomate (Lycopersicum esculentum Mill.) e pepino (Cucumis sativus L.) (LACA-BUENDIA & BRANDÃO, 1988); é também planta melífera (COMBA et al, 1999) e ornamental (LORENZI & MATOS, 2002). Considerando essas características agronômicas, seu cultivo poderia ser alternativa para os produtores de hortaliças, principalmente em consórcio com o repolho, visando a produção de flores, para serem consumidas como hortaliça.…”

Section: (Recebido Em 13 De Julho De 2006 E Aprovado Em 26 De Março Dunclassified

Produção da capuchinha em cultivo solteiro e consorciado com os repolhos verde e roxo sob dois arranjos de plantas

et al. 2008

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RESUMOObjetivou-se, neste trabalho, estudar a produção de flores da capuchinha e das cabeças do repolho, cultivadas como culturas solteiras e consorciadas. Foi estudada a capuchinha Jewel (Ca), em cultivo solteiro e consorciado com os repolhos de folhas verdes Sooshu (RV) ou roxas Red Extra Early (RR), sob duas (2) ou três (3) ABSTRACTThis work has as aim to study yield of nasturtium flowers and of cabbage heads that were cultivated as monocrops and intercrops. Jewel nasturtium (Ca) was studied in monocrop and intercropped with Sooshu green leaves (RV) or Red Extra Early purple leaves (RR) cabbages, under two (2) or three (3) rows of plants per plot. The ten resultant treatments (Ca 2 , Ca 3 , RV 2 , RV 3 , RR2, RR 3 , Ca 2 RV 3 , Ca 3 RV 2 , Ca 2 RR 3 , Ca 3 RR 2 ) were arranged in a randomized block experimental outline, with three replications. Harvests of nasturtium flowers were between 30 and 155 days after transplant (DAT) and the ones of cabbages between 102 and 140 DAT. The highest number and the greatest fresh mass of nasturtium flowers (12,022,220 ha -1 and 8.20 t ha -1 , respectively) were obtained from monocrop system. For intercropping, the highest values were with purple cabbage (7,555,560 ha -1 and 5.04 t ha -1 , respectively. Average yields of fresh mass of cabbage plants of green leaves in monocrop system and intercropped were of 33. 78

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“…A capuchinha (Tropaeolum majus L.) tem como centros de diversidade primária Brasil, Peru, Colômbia e sul do México até a Patagônia (COMBA et al, 1999;JOLY, 1991;PINTÃO et al, 1995). Pela rusticidade e facilidade de adaptação a climas va riados, espalhou-se rapidamente por todo o mundo.…”

Section: Introductionunclassified

Resíduos orgânicos e nitrogênio na produção de biomassa da capuchinha (Tropaeolum majus L.) 'Jewel'

Sangalli

Vieira²,

Zárate³

2004

Ciênc. agrotec.

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RESUMORealizou-se este trabalho com o objetivo de avaliar o crescimento, desenvolvimento e a produção de flores de Tropaeolum majus L., em função do uso de cama de frango e de resíduo orgânico misto, associados ou não ao nitrogênio. O trabalho foi desenvolvido no Horto de Plantas Medicinais -HPM, da Universidade Federal de Mato Grosso do Sul UFMS, em Dourados MS, no período de maio a outubro de 2002. Os tratamentos em estudo foram testemunha (solo normal) -T, nitrogênio (60 kg.ha -1 N, na forma de sulfato de amônio) -N, cama (15000 kg ha -1 de cama de frango semidecomposta) -CF, cama mais nitrogênio -CFN, resíduo misto (15000 kg ha -1 ) RM e resíduo misto mais nitrogênio -RMN, dispostos no delineamento experimental de blocos casualizados, com quatro repetições. As características avaliadas foram: altura das plantas, biomassa fresca e seca da parte aérea sem flores, biomassa fresca e seca das flores, número de flores, diâmetro e altura das flores, teor de N e P nas folhas e flores. A maior altura da planta foi de 36,33 cm no tratamento CF. As plantas do tratamento CFN apresentaram as maiores produções de biomassa fresca (52195,69 kg.ha -1 ) e seca (6281,14 kg ha -1 ) de parte aérea sem flores, e de biomassa fresca (3150,97 kg.ha -1 ), seca (232,17 kg ha -1 ) e de número de flores (50,49 milhões ha -1 ). Os diâmetros e os comprimentos das flores não variaram com os tratamentos utilizados. Os teores médios de N (33,0 e 32,0 g kg -1 ) e de P (1,9 e 3,3 g kg -1 ) nas folhas e nas flores, respectivamente, estiveram dentro daqueles citados para a espécie. Termos para indexação:Resíduo misto, cama de frango, nutrição mineral, produtividade. ABSTRACTThe objective of this work was to evaluate growth, development and yield of Trapaeolum majus L. flowers as a function of the use of chicken manure and mixed organic residue associated or not with Nitrogen. The work was carried out at Medicinal Plant Garden HPM of the Federal University of Mato Grosso do Sul UFMS, in Dourados MS, from May to October, 2002. Studied treatments were control (normal soil) -T, nitrogen (60 kg.ha -1 of N, in ammonia sulfate form) -N, chicken manure (15000 kg ha -1 of semi-decomposed chicken manure) -CF, chicken manure associated with nitrogen -CFN, mixed residue (15000 kg ha -1 ) RM and mixed residue associated with nitrogen -RMN, which were established in a randomized experimental design with four replications. Evaluated characteristics were plant height, dried and fresh matter of aerial part without flowers, fresh and dried matter of flowers, flower diameter and height, N and P content in leaves and flowers. The highest plant height was of 36.33 cm in CF treatment. Plants from CFN treatment showed the greatest yield of fresh (52,195.69 kg.ha -1 ) and dried (6,281.14 kg.ha -1 ) matters of aerial parts without flowers, and of fresh (3,150.97 kg.ha -1 ) and dried (232.17 kg.ha -1 ) matters and number of flowers (50.49 millions.ha -1 ). Diameters and heights of flowers did not varied with treatments used. The highest contents of N (35.6 g kg -1 ) and...

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Garden Flowers: Insect Visits and the Floral Reward of Horticulturally-modified Variants

Cited by 84 publications

References 34 publications

Bumblebees in the city: abundance, species richness and diversity in two urban habitats

Bumblebees in the city: abundance, species richness and diversity in two urban habitats

Produção da capuchinha em cultivo solteiro e consorciado com os repolhos verde e roxo sob dois arranjos de plantas

Resíduos orgânicos e nitrogênio na produção de biomassa da capuchinha (Tropaeolum majus L.) 'Jewel'

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