Honey bee attractants and pollination in sweet orange, Citrus sinensis (L.) Osbeck, var. Pera-Rio

Malerbo-Souza, Darclet Teresinha; Nogueira-Couto, Regina Helena; Couto, Leomam Almeida

doi:10.1590/s1678-91992004000200004

Cited by 25 publications

(11 citation statements)

References 8 publications

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“…Among them, the average percentages of eugenol (2.30%) and phenol (2.10%) were the highest. Eugenol is known as honeybee attractant [23]. The presence of phenol in honey is controversial because it was first used as a bee repellent, but an alternative theory suggests that phenol is a natural constituent of honey [24].…”

Section: -Methoxybenzaldehyde ( ¼ P-anisaldehyde; 7)mentioning

confidence: 99%

A Variety of Volatile Compounds as Markers in Unifloral Honey from Dalmatian Sage (Salvia officinalis L.)

Jerković

Mastelić

Marijanović

2006

C&B

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Volatile compounds of unifloral Salvia officinalis L. honey has been investigated for the first time. The botanical origin of ten unifloral Salvia honey samples has been ascertained by pollen analysis (the honey samples displayed 23-60% of Salvia pollen). Fifty-four volatile compounds were identified by GC and GC/MS in ten Salvia honey extracts obtained by ultrasound-assisted extraction (USE) with pentane/Et(2)O 1 : 2. The yield of isolated volatiles varied from 25.7 to 30.5 mg kg(-1). Salvia honey could be distinguished on the basis of the high percentage of benzoic acid (6.4-14.8%), and especially phenylacetic acid (5.7-18.4%). Minor, but floral-origin important volatiles were identified such as shikimate pathway derivatives, 'degraded-carotenoid-like' structures (3,5,5-trimethylcyclohex-2-ene derivatives) and 2,6,6-trimethylcyclohex-2-ene derivatives. Compounds from other metabolic pathways such as aliphatic acids and higher linear hydrocarbons, as well as heterocycles (pyrans, furans, and pyrroles), were also present. Most of the identified compounds do not constitute specific Salvia honey markers, due to their presence in honeys of other botanical origins; however, their ratio in different honeys could be useful to distinguish floral origin. Salvia-honey volatile markers were: benzoic acid, phenylacetic acid, p-anisaldehyde, alpha-isophorone, 4-ketoisophorone, dehydrovomifoliol, 2,6,6-trimethyl-4-oxocyclohex-2-ene-1-carbaldehyde, 2,2,6-trimethylcyclohexane-1,4-dione, and coumaran.

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Section: -Methoxybenzaldehyde ( ¼ P-anisaldehyde; 7)mentioning

confidence: 99%

A Variety of Volatile Compounds as Markers in Unifloral Honey from Dalmatian Sage (Salvia officinalis L.)

Jerković

Mastelić

Marijanović

2006

C&B

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“…Porém, a maior rentabilidade pertence ao fruto dessa cultura, uma vez que a as flores de citros quando polinizadas por abelhas aumentam em até 28% a produção e conferem às frutas características desejáveis pela indústria (Schirmer, 1985;Malerbo-Souza et al, 2004;Gamito e Malerbo-Souza, 2006).…”

Section: Resultsunclassified

Percepção ambiental de apicultores: Desafios do atual cenário apícola no interior de São Paulo

Cerqueira

Figueiredo

2017

Acta Bra.

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ResumoA mortalidade e o desaparecimento de abelhas têm sido cada vez mais frequentes no mundo, afetando consequentemente a atividade apícola que exerce significativa importância nos âmbitos ambiental, social e econômico no Brasil. O objetivo dessa pesquisa foi compreender os principais desafios que a apicultura enfrenta atualmente na perspectiva dos apicultores da região de Matão, interior de São Paulo. Os apicultores foram selecionados por meio da técnica "bola de neve" e participaram da uma entrevista semiestruturada que abordou as esferas social, econômica e ambiental da atividade apícola. A percepção dos apicultores foi analisada através da Análise Textual Discursiva e indicou o atual sistema de produção agrícola, baseado em extensas áreas de monoculturas e uso intensivo de agrotóxicos, como o principal problema enfrentado para manutenção da atividade. Os apicultores percebiam o ambiente considerando o ser humano como parte integrante da natureza, sendo este afetado por suas próprias ações. Tinham a percepção do importante papel das abelhas no equilíbrio do ecossistema e na produção de alimentos. Os relatos apresentados demostram preocupação com a saúde ambiental, enfatizando a falta de comprometimento do governo com a preservação dos recursos naturais e em prol de um sistema de produção agrícola e industrial insustentável.Palavras-chave: apicultura, meio ambiente, produção agrícola, produção de mel. Environmental perception of beekeepers: Challenges of the current beekeeping scene in the interior of São PauloAbstract Mortality and the disappearance of bees have been increasingly frequent in the world, consequently affecting the beekeeping activity that has significant importance in the environmental, social and economic spheres in Brazil. The objective of this research was to understand the main challenges that beekeeping currently faces from the perspective of beekeepers in the region of Matão, in the interior of São Paulo. The beekeepers were selected through the "snowball" technique and participated in a semi-structured interview that addressed the social, economic and environmental spheres of beekeeping. The perception of beekeepers was analyzed through Discursive Textual Analysis and indicated the current system of agricultural production, based on extensive areas of monocultures and intensive use of pesticides, as the main problem faced to maintain the beekeeping activity. The beekeepers perceived the environment considering the human being as an integral part of nature, being affected by their own actions. They were aware of the important role of bees in the balance of the ecosystem and in the production of food. The reports presented demonstrate the real concern with environmental health, emphasizing the government's lack of commitment to the preservation of natural resources in favor of a self-destructive agricultural and industrial production system.

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“…As a result, honey bees will neglect the target crop. The problem of plant competition for bee visits has been reported for several crops [ 10 , 26 , 44 – 46 ]. This study determines Dandelion ( T .…”

Section: Discussionmentioning

confidence: 99%

Pollen trapping and sugar syrup feeding of honey bee (Hymenoptera: Apidae) enhance pollen collection of less preferred flowers

Gemeda

Luo

et al. 2018

PLoS ONE

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Pear (Pyrus bretschneideri) is characterized by being self-incompatible and dependent on cross-pollination to set fruit. Honeybee (Apis mellifera) is considered the most important pollinator of pear. Nevertheless, limited pollen transfer has been cited as the main cause of poor fruit set in many pear orchards. Here, we tested the following hypotheses: (i) colony manipulations increase the pollen collection tendency of honeybees and (ii) the proportion of pollen loads being returned to the hive is from the target plant. The technique reliably and rapidly estimates the pollination of honeybees tested under different colony manipulations: (1) using pollen trapping (PT); (2) PT with sugar syrup feeding (SS) (PTSS); (3) SS alone and (4) control without PT and SS. The results clearly show that the pollen collection of honeybees during the experiment was significantly affected (P < 0.05) by colony manipulations. The mean amount of pollen harvested daily was higher for PTSS (19.4 g) and PT (16.4 g) than for SS (12.85 g) and control (8.7 g) colonies. Therefore, PTSS was the most effective treatment for increasing pear pollen collection; other treatments such as PT and SS could also be useful. This study was important for determining how the behavior of honeybee colonies is shaped through colony manipulation to enhance pollen collection of less preferred pear flowers, which is critical when pollination is required.

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Honey bee attractants and pollination in sweet orange, Citrus sinensis (L.) Osbeck, var. Pera-Rio

Cited by 25 publications

References 8 publications

A Variety of Volatile Compounds as Markers in Unifloral Honey from Dalmatian Sage (Salvia officinalis L.)

A Variety of Volatile Compounds as Markers in Unifloral Honey from Dalmatian Sage (Salvia officinalis L.)

Percepção ambiental de apicultores: Desafios do atual cenário apícola no interior de São Paulo

Pollen trapping and sugar syrup feeding of honey bee (Hymenoptera: Apidae) enhance pollen collection of less preferred flowers

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