Results 231 to 240 of about 14,398 (281)
New Zealand Journal of Botany, Volume 64, Issue 2, June 2026.Gentianella calcis subsp. waipara Glenny & Molloy (Gentianaceae) is endemic to limestone formations in North Canterbury, New Zealand. A previous conservation genetics study of G. calcis Glenny & Molloy and another eastern South Island limestone endemic species, G. astonii (Petrie) T.N.Ho & S.W.Liu, showed that G. calcis subsp.
Robb W. Eastman‐Densem +3 more
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A New and Minuscule Annual Species of Montia (Montiaceae) From Alpine Fens in Otago, New Zealand
New Zealand Journal of Botany, Volume 64, Issue 2, June 2026.Montia minuscula Heenan is recognised as a new species from alpine habitats in Otago, South Island, New Zealand. It is currently known from only two locations, one in the Old Man Range (Kopuwai Conservation Area) and another in The Remarkables. It grows in palustrine fens that are associated with groundwater seepage such as from snowmelt and snowbanks.
Peter B. Heenan
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Is Self‐Pollination Sufficient to Maximise Seed Set and Fruit Quality in Kiwifruit Hermaphrodites?
New Zealand Journal of Crop and Horticultural Science, Volume 54, Issue 2, June 2026.The purpose of this study was to determine whether supplementary pollination of each of two hermaphrodite kiwifruit selections was likely to produce any significant improvement in seed set or fruit quality, compared with self‐pollination alone. Three main pollination treatments were applied to floral shoots: self‐pollination alone and self‐pollination ...
A. G. Seal, C. M. McKenzie
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Floral resource diversity drives spatiotemporal variation in plant–pollinator network structure
Oikos, Volume 2026, Issue 6, June 2026.Mechanisms underlying community assembly, including those related to species interactions, vary across space and time. Plant–pollinator networks exemplify these dynamics, where link rewiring and turnover mediate adaptations to environmental changes. Bees rely on diverse floral resources (e.g.
Caio S. Ballarin +3 more
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Plant Direct, Volume 10, Issue 6, June 2026.ABSTRACT Bicellular pollen often enters a desiccated state wherein development is temporarily arrested, enabling long‐term survival while maintaining the capacity for rapid activation upon hydration. Although the generative cell in mature pollen of Lilium species is known to have completed DNA replication, its precise cell‐cycle status and the ...
Mio K. Shibuta +2 more
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A biomechanical model of anther opening reveals the roles of dehydration and secondary thickening
New Phytologist, 2012 Understanding the processes that underlie pollen release is a prime target for controlling fertility to enable selective breeding and the efficient production of hybrid crops.
M R Nelson +2 more
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A role for HvGAMYB in anther development
Plant Journal, 2003SummaryHvGAMYB is a transcription factor that was first identified in barley aleurone cells and shown to be upregulated by gibberellin (GA). Using RNA and immunoblot analysis we have shown HvGAMYB is also strongly expressed in barley anthers. Transgenic barley expressing a HvGAMYB:GFP fusion gene have been created and GAMYB expression in anthers ...
Roger Kalla, Frank Gubler
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Anther development—The long road to making pollen
The Plant Cell, 2022Abstract Anthers express the most genes of any plant organ, and their development involves sequential redifferentiation of many cell types to perform distinctive roles from inception through pollen dispersal. Agricultural yield and plant breeding depend on understanding and consequently manipulating anthers, a compelling motivation for ...
D Blaine Marchant, Virginia Walbot
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Microspore development in cultured maize anthers
Plant Cell Reports, 1988The present study follows in vivo and in vitro microspore development utilizing an anther culture-responsive maize genotype (Pa91×FR16) and a DNA-specific fluorescent dye (mithramycin). Cultured anthers were sampled at various times and scored for abnormal microspore divisions, multicellular masses, and embryo-like structures. The frequency of abnormal
S M, Pescitelli, J F, Petolino
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Plant Molecular Biology, 2010 The tapetum is a layer of cells covering the inner surface of pollen sac wall. It contributes to anther development by providing enzymes and materials for pollen coat biosynthesis and nutrients for pollen development.
Sang-Gyu Kim +2 more
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