Results 21 to 30 of about 78,784 (260)
Taxonomic significance of pollen morphology of Pterocephalus plumosus (Caprifoliaceae) [PDF]
Botanica Serbica, 2022 Comparative palynological studies of Dipsacaceae s.str. show considerable diversity in the pollen grain morphology of its representatives. The aim of this research was to provide more detailed palynomorphological data on selected taxa whose pollen grains
Zoya M. Tsymbalyuk +2 more
doaj +1 more source
Notulae Scientia Biologicae, 2014 Jujube (Ziziphus jujuba) is a species particularly prone to erratic fruit set. Several causes such as pollen germination and tube growth involve in this behaviour.
Hossein ROUHAKHSH +3 more
doaj +3 more sources
SEM observation of pollen in 17 cherry germplasm resources [PDF]
Guoshu xuebao[Objective] Morphological characteristics of pollen grains of different cherry germplasm resources were observed under a scanning electron microscope. The similarities and differences in pollen among different germplasm resources were analyzed, so as to ...
ZHOU Junman +11 more
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Iron Age to Medieval entomogamous vegetation and Rhinolophus hipposideros roost in south-eastern Wales (UK) [PDF]
, 2006 Karst cave systems are well developed in Wales (UK) and, in some instances, constitute important bat roosts. Ogof Draenen, near Blaenavon in south-east Wales, is the most recent major cave discovery (1994) with already > 70 km of passages explored ...
Bronk +24 more
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Disturbances in microsporogenesis and pollen grain development in Gagea lutea (L.) Ker. Gaw.
Acta Agrobotanica, 2012 The meiotic division of microsporocytes and pollen grain development in Gagea lutea (L.) Ker.-Gaw. (Liliaceae) with fluorescence microscope (excitation light 400 nm) was observed after squashing the anthers in DAPI solution (fluorochrom dying DNA). Up to
Ewa Szczuka +4 more
doaj +1 more source
MADS-complexes regulate transcriptome dynamics during pollen maturation [PDF]
, 2007 Background: Differentiation processes are responsible for the diversity and functional specialization of the cell types that compose an organism. The outcome of these processes can be studied at molecular, physiologic, and biochemical levels by comparing
Verelst, Wim +5 more
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Pollen production in selected species of anemophilous plants
Acta Agrobotanica, 2012 In the study, structural features of flowers of the following allergenic plant species were analysed: Betula verrucosa, Secale cereale, Rumex acetosella, Plantago major and Artemisia vulgaris.
Krystyna Piotrowska
doaj +1 more source
Heteranthery in Clarkia: pollen performance of dimorphic anthers contradicts expectations. [PDF]
, 2019 Premise of the studyWild plant species that require the services of pollen-feeding insects for reliable pollination may evolve features that attract and reward their mutualistic partners.
Buchmann S. L. +4 more
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A combinatorial approach to angiosperm pollen morphology [PDF]
, 2016 Angiosperms (flowering plants) are strikingly diverse. This is clearly expressed in the morphology of their pollen grains, which are characterized by enormous variety in their shape and patterning.
Blackmore S +7 more
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The role of forensic geoscience in wildlife crime detection [PDF]
, 2006 The increase in both automation and precision in the analysis of geological materials has had significant impact upon forensic investigations in the last 10 years.
Bull, PA +3 more
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