2006
DOI: 10.1590/s0100-84042006000200008
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Nectar and pollen production in pumpkin (Cucurbita pepo L.)

Abstract: -(Nectar and pollen production in pumpkin (Cucurbita pepo L.)). Cucurbitaceae species depend on pollination by honey bees for fruit production. The overall objective of this work was to evaluate the potential of C. pepo for pollen and nectar production, that could help maintain colonies placed in the field. Plants of pumpkin were cultivated in field, in 1996 and 1997. Before anthesis, male flowers were covered to prevent visits by bees and other insects. After anthesis the flowers were uncovered and the follow… Show more

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Cited by 36 publications
(36 citation statements)
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References 24 publications
(25 reference statements)
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“…Our findings differ to some degree with those observed in two different varieties of C. pepo L. Rather than exhibiting a gradual but significant decrease through anthesis, nectar concentration remained constant in 'Greyzini' (Nepi et al 2001) and constant until just before flower closing in the pumpkin 'Howden' (Vidal et al 2006). Also, male flowers in 'Greyzini' produced most of their nectar before mid-anthesis, with no significant differences in volume between 0900 and 1200 h (Nepi et al 2001).…”
Section: Squash Nectar Secretion Rhythm and Pollinator Activitycontrasting
confidence: 96%
“…Our findings differ to some degree with those observed in two different varieties of C. pepo L. Rather than exhibiting a gradual but significant decrease through anthesis, nectar concentration remained constant in 'Greyzini' (Nepi et al 2001) and constant until just before flower closing in the pumpkin 'Howden' (Vidal et al 2006). Also, male flowers in 'Greyzini' produced most of their nectar before mid-anthesis, with no significant differences in volume between 0900 and 1200 h (Nepi et al 2001).…”
Section: Squash Nectar Secretion Rhythm and Pollinator Activitycontrasting
confidence: 96%
“…This study clearly demonstrates a mutualistic relationship between courgette flowers and B. terrestris that is beneficial to both, improving pollination success and colony dynamics (Bailes, Ollerton, Pattrick, & Glover, 2015;Holzschuh et al, 2016). Courgette, offers an abundant source of nectar to attract pollinators to its flowers for pollination (Vidal, Jong, Wien, & Morse, 2006). Indeed per m 2 , courgette offers more nectar (0.35 ml) than oilseed rape (0.30 ml), and field bean (0.092 ml) (Becher et al, 2016), and is therefore a high value mass-flowering crop in terms of nectar production.…”
Section: Discussionmentioning
confidence: 65%
“…Pollination efficiency in general and particularly in the monoecious plants is directly affected by the pollinator diversity (both species and abundance), functional diversity of pollinators, variation in the reward quality and quantity, diversity of floral type (staminate or pistillate), preference of key pollinators for foraging, and foraging time and visitation frequency of the pollinators with respect to pollen and stigma viability and receptivity 8,9,[15][16][17][18][19] . Floral traits also affect the pollination efficiency of flower visitors [20][21][22][23] .…”
mentioning
confidence: 99%