Reproduction: Pollination
Ants contribute to pollination but not to reproduction in a rare calcareous grassland forb
... provide pollination service. We studied the pollination system of the endangered dry grassland forb Euphorbia seguieriana and found two ant species to be the most frequent visitors of its ...the ...
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Why so many flowers? A preliminary assessment of mixed pollination strategy enhancing sexual reproduction of the invasive Acacia longifolia in Portugal
... Acacia pollination is due to insects (Tybirk, ...sexual pollination of acacias in invaded areas is that the majority of species bloom at the very end of the winter, when weather conditions are still ...
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Pollination ecology and evolution of Epacrids
... postulate that pollinator limitation will favour evolutionary shifts in pollination systems from specialized to generalized or vice versa and may result in selection of floral traits to attract alternative or ...
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Comparative Analysis of Optimization Algorithms for Solving Optimal Power Flow using IPFC
... Flower pollination is a meta-heuristic algorithm for the optimal solution of optimal power flow problem such as minimizing the fuel cost of a thermal power ...flower pollination algorithm ...use ...
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Pollination Science and Stewardship Symposium
... plant reproduction is critical for conserving and restoring ecosystems, as well as for maintaining food ...inadequate pollination and produce suboptimal levels of fruit and seeds, yet the mechanisms behind ...
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Pollinators and pollination networks in Irish farmland: implications for conservation of pollination services Lessons Learned and Future Prospects
... The strategic approach identified eight catchments that would be likely to provide the best return for investment in terms of current mussel numbers protected, and the ability to return populations to sustainable ...
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Pollination ecology in the 21st century: Key Questions for future research
... on pollination ecology, we list the most important unanswered questions in the ...of pollination ecology and asking them to contribute their opinion on the greatest knowledge gaps that need to be ...sexual ...
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Reproductive ecology of buzz-pollinated Ouratea spectabilis trees (Ochnaceae) in Brazilian Cerrados
... phenology, pollination biology, pollen viability, and pollen tube growth, and executed a set of intra- and interspecific experimental crosses to determine its mechanisms of incompatibility and reproductive ...buzz ...
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Overcoming barriers to crossing in willow (Salix spp.) breeding
... A cross between S. viminalis ‘Bowles Hybrid’ × S. rossica was chosen for this initial study as it provides an abundant source of embryos. The cross does not suffer from premature flowers abscission, but to mimic it, the ...
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Study on Effect of Different Varieties Configuration upon Yield of Yan Mountain Chestnut
... Castanea mollissima is a typical kind of cross-polli- nation plants and its self-pollination seed-setting rate is very low which only reached 10% to 40% [3]. Many scholars had carried out related researches. Such ...
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Studies of the foraging behaviour, activity patterns and community structure of bumblebees (Bombus spp ) pollinating field beans (Vicia faba) and phacelia (Phacelia tanacetifolia) in Eastern Scotland
... Estimates of flower visitation rates for bumblebees foraging on field beans were compared with figures obtained in previous studies (see Tables 3.2ii and 5.1ii). Unless stated otherwise, all of the data given below ...
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Gene flow from introduced Eucalyptus plantations into native eucalypt species
... penetration (Ellis et al. 1991). Style-length incompatibilities have been recorded (Gore et al. 1990; Delaporte et al. 2001b), and may be limiting the crossability of species with larger flowers than the pollen parent. ...
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Pollination Ecology of Highbush Blueberry Agroecosystems.
... to pollination with regard to multiple criteria (described in Table 1) including abundance, per-visit efficiency, activity patterns, visitation rate, and community ...the pollination of a ...
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... in their subsequent visit to another flower get rid of the pollinia and deposit them on that flower effecting pollination. It is not clear if there is any chance of the carpenter bees losing the pollinia during ...
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Enhancing crop shelf life with pollination
... between pollination limita- tion and shelf life, we focused on fruits showing different degrees of deformation, when these were obviously caused by pollination ...on pollination and deformations are ...
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Dissection of Floral Pollination Syndromes in Petunia
... interval mapping model and invariably ranged from LOD 2.94 to make the pollination syndromes amenable for analy- to 2.98. For this reason, the LOD threshold is not directly ses in terms of molecular genetics and ...
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Investigations of suitable pollinator for 0900 Ziraat sweet cherry cv : pollen performance tests, germination tests, germination procedures, in vitro and in vivo pollinations
... The pollen tube growth was evaluated in the labo- ratory, while the parallel hand pollination was also done in the orchard. Emasculated female organs were put on a medium consisting 0.5% agar-agar + 15% sucrose + ...
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ROLE OF HONEY BEES FORAGING ACTIVITIES IN INCREASED FRUIT SETTING AND PRODUCTION OF APPLES APIS MELLIFERA MALUS DOMESTICA
... 2008). Pollination by honey bees has turned out to be the basic input for guaranteed pollination and contri- buting in higher yield and high fruit ...
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Study on Varieties Combination Suitable for Mutual Pollination of Yan Mountain Chestnut
... no pollination trees, mess of mixed species and low yield per unit area are standing problems in Zunhua ...chestnuts pollination trees has been done in this ...
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Solving Initial Value Problems by Flower Pollination Algorithm
... flower pollination algorithm (FPA), has demonstrated very good efficiency in solving both single objective optimization and multi-objective optimization ...the pollination process of flowering plants, ...
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