Pollination systems of Colchicum (Colchicaceae) in southern Africa: evidence for rodent pollination.

abstract：BACKGROUND:Opal phytoliths (microscopic silica bodies produced in and between the cells of many plants) are a very resilient, often preserved type of plant microfossil. With the exponentially growing number of phytolith studies, standardization of phytolith morphotype names and description is essential. As a first effo...

journal_title：Annals of botany

authors： International Committee for Phytolith Taxonomy (ICPT).

更新日期：2019-09-24 00:00:00

abstract：BACKGROUND AND AIMS:Submergence tolerance in rice is primarily attributed to the action of the SUB1 gene, but other associated traits such as leaf gas film (LGF) thickness, leaf hydrophobicity, porosity and leaf density have been known to aid submergence tolerance in rice. However, association of these traits with SUB1...

journal_title：Annals of botany

authors： Chakraborty K,Guru A,Jena P,Ray S,Guhey A,Chattopadhyay K,Sarkar RK

更新日期：2021-01-07 00:00:00

abstract：BACKGROUND AND AIMS:The gene flow through pollen or seeds governs the extent of spatial genetic structure in plant populations. Another factor that can contribute to this pattern is clonal growth. The perennial species Arabidopsis lyrata ssp. petraea (Brassicaceae) is a self-incompatible, clonal species found in disjun...

journal_title：Annals of botany

authors： Lundemo S,Stenøien HK,Savolainen O

更新日期：2010-08-01 00:00:00

abstract：BACKGROUND AND AIMS:Afromontane forests host a unique biodiversity distributed in isolated high-elevation habitats within a matrix of rain forests or savannahs, yet they share a remarkable flora that raises questions about past connectivity between currently isolated forests. Here, we focused on the Podocarpus latifoli...

journal_title：Annals of botany

authors： Migliore J,Lézine AM,Hardy OJ

更新日期：2020-06-19 00:00:00

abstract：BACKGROUND AND AIMS:Mikania micrantha, a climbing perennial weed of the family Asteraceae, is native to Latin America and is highly invasive in the tropical belt of Asia, Oceania and Australia. This study was framed to investigate the population structure of M. micrantha at a large spatial scale in Asia and to identify...

journal_title：Annals of botany

authors： Banerjee AK,Hou Z,Lin Y,Lan W,Tan F,Xing F,Li G,Guo W,Huang Y

更新日期：2020-06-01 00:00:00

abstract：BACKGROUND AND AIMS:The discovery of a new species, Haplophyllum bastetanum F.B. Navarro, V.N. Suárez-Santiago & Blanca sp. nov., in the south-east of Spain has prompted the comparative study of species of the Iberian Peninsula, and others related, through morphological, cytogenetic, molecular, distributional and ecolo...

journal_title：Annals of botany

authors： Navarro FB,Suárez-Santiago VN,Blanca G

更新日期：2004-10-01 00:00:00

abstract：Background and Aims:Natural enemies are known to be important in regulating plant populations and contributing to species coexistence (Janzen-Connell effects). The strength of Janzen-Connell effects (both distance- and density-effects) varies across species, but the life history traits that may mediate such a variation...

journal_title：Annals of botany

authors： Choo J,Carasco C,Alvarez-Loayza P,Simpson BB,Economo EP

更新日期：2017-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Bromeliaceae is a species-rich neotropical plant family that uses a variety of pollinators, principally vertebrates. Tillandsia is the most diverse genus, and includes more than one-third of all bromeliad species. Within this genus, the majority of species rely on diurnal pollination by hummingbirds...

journal_title：Annals of botany

authors： Aguilar-Rodríguez PA,MacSwiney G MC,Krömer T,García-Franco JG,Knauer A,Kessler M

更新日期：2014-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Spring ephemerals have a specific life-history trait, i.e. shoot growth and sexual reproduction occur simultaneously during a short period from snowmelt to canopy closure in deciduous forests. The aim of this study is to clarify how spring ephemerals invest resources for seed production within a res...

journal_title：Annals of botany

authors： Horibata S,Hasegawa SF,Kudo G

更新日期：2007-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Synorganisation of floral organs, an important means in angiosperm flower evolution, is mostly realized by congenital or post-genital organ fusion. Intimate synorganisation of many floral organs without fusion, as present in Geranium robertianum, is poorly known and needs to be studied. Obdiplostemo...

journal_title：Annals of botany

authors： Endress PK

更新日期：2010-11-01 00:00:00

abstract：Background and Aims:The division of resource investment between male and female functions is poorly known for land plants other than angiosperms. The ancient lycophyte genus Selaginella is similar in some ways to angiosperms (in heterospory and in having sex allocation occur in the sporophyte generation, for example) b...

journal_title：Annals of botany

authors： Petersen KB,Burd M

更新日期：2018-02-12 00:00:00

abstract：BACKGROUND:The amount of DNA comprising the genome of an organism (its genome size) varies a remarkable 40 000-fold across eukaryotes, yet most groups are characterized by much narrower ranges (e.g. 14-fold in gymnosperms, 3- to 4-fold in mammals). Angiosperms stand out as one of the most variable groups with genome si...

journal_title：Annals of botany

authors： Leitch IJ,Kahandawala I,Suda J,Hanson L,Ingrouille MJ,Chase MW,Fay MF

更新日期：2009-08-01 00:00:00

abstract：BACKGROUND AND AIMS:The number of flowers blooming simultaneously on a plant may have profound consequences for reproductive success. Large floral displays often attract more pollinator visits, increasing outcross pollen receipt. However, pollinators frequently probe more flowers in sequence on large displays, potentia...

journal_title：Annals of botany

authors： Karron JD,Mitchell RJ

更新日期：2012-02-01 00:00:00

abstract：Background:To establish successful infection, plant viruses produce profound alterations of host physiology, disturbing unrelated endogenous processes and contributing to the development of disease. In tobamoviruses, emerging evidence suggests that viral-encoded proteins display a great variety of functions beyond the ...

journal_title：Annals of botany

authors： Conti G,Rodriguez MC,Venturuzzi AL,Asurmendi S

更新日期：2017-03-01 00:00:00

abstract：BACKGROUND AND AIMS:The mode of reproduction (sexual vs. asexual) is likely to have important effects on genetic variation and its spatial distribution within plant populations. An investigation was undertaken of fine-scale clonal structure and diversity within patches of Ilex leucoclada (a clone-forming dioecious shru...

journal_title：Annals of botany

authors： Torimaru T,Tomaru N

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Cotton (Gossypium hirsutum) has indeterminate growth. The growth regulator mepiquat chloride (MC) is used worldwide to restrict vegetative growth and promote boll formation and yield. The effects of MC are modulated by complex interactions with growing conditions (nutrients, weather) and plant popul...

journal_title：Annals of botany

authors： Gu S,Evers JB,Zhang L,Mao L,Zhang S,Zhao X,Liu S,van der Werf W,Li Z

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Nitric oxide (NO) has been demonstrated to stimulate the activity of nitrate reductase (NR) in plant roots supplied with a low level of nitrate, and to affect proteins differently, depending on the ratio of NO to the level of protein. Nitrate has been suggested to regulate the level of NO in plants....

journal_title：Annals of botany

authors： Jin CW,Du ST,Zhang YS,Lin XY,Tang CX

更新日期：2009-07-01 00:00:00

abstract：BACKGROUND AND AIMS:The evolution of complex rooting systems during the Devonian had significant impacts on global terrestrial ecosystems and the evolution of plant body plans. However, detailed understanding of the pathways of root evolution and the architecture of early rooting systems is currently lacking. We descri...

journal_title：Annals of botany

authors： Matsunaga KK,Tomescu AM

更新日期：2016-04-01 00:00:00

abstract：BACKGROUND:Mineral nutrient limitation affects the water flow through plants. We wanted to test on barley whether any change in root-to-shoot ratio in response to low supply of nitrogen and phosphate is accompanied by changes in root and cell hydraulic properties and involves changes in aquaporin (AQP) gene expression ...

journal_title：Annals of botany

authors： Armand T,Cullen M,Boiziot F,Li L,Fricke W

更新日期：2019-11-27 00:00:00

abstract：BACKGROUND AND AIMS:Land-use changes and associated extinction/colonization dynamics can have a large impact on population genetic diversity of plant species. The aim of this study was to investigate genetic diversity in a founding population of the self-incompatible forest herb Primula elatior and to elucidate the pro...

journal_title：Annals of botany

authors： Jacquemyn H,Vandepitte K,Roldán-Ruiz I,Honnay O

更新日期：2009-03-01 00:00:00

abstract：:Clematis flammula var. maritima is a woody lianoid plant that grows on coastal sand dunes in the Mediterranean region. Older perennial stems are present as extensive underground axes. These generate surface growth of shorter-lived stems producing monospecific trellises above the surface of the sand. Despite its sand d...

journal_title：Annals of botany

authors： Isnard S,Rowe N,Speck T

更新日期：2003-03-01 00:00:00

abstract：BACKGROUND:Modelling plant growth allows us to test hypotheses and carry out virtual experiments concerning plant growth processes that could otherwise take years in field conditions. The visualization of growth simulations allows us to see directly and vividly the outcome of a given model and provides us with an instr...

journal_title：Annals of botany

authors： Fourcaud T,Zhang X,Stokes A,Lambers H,Körner C

更新日期：2008-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Macaranga (Euphorbiaceae) is a large genus of dioecious trees with approx. 260 species. To date, only one pollination study of the genus has reported brood-site pollination by thrips in M. hullettii. In this study, the pollination system of Macaranga tanarius is reported. METHODS:The study was cond...

journal_title：Annals of botany

authors： Ishida C,Kono M,Sakai S

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Cucumber (Cucumis sativus) seedlings develop a peg on the concave side of the gravitropically bending transition zone between the hypocotyl and the root after seed germination. Peg initiation occurs in response to auxin when its levels in the concave side of the transition zone exceed a particular t...

journal_title：Annals of botany

authors： Saito Y,Yamasaki S,Fujii N,Takahashi H

更新日期：2005-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Hydration, rupture and exine opening due to the sudden and large expansion of intine are typical of taxoid-type pollen grains. A hemispheric outgrowth external to the exine was observed on Cupressus and Juniperus pollen grains before the intine swelling and exine release. However, the actual existen...

journal_title：Annals of botany

authors： Danti R,Della Rocca G,Calamassi R,Mori B,Mariotti Lippi M

更新日期：2011-08-01 00:00:00

abstract：BACKGROUND AND AIMS:Kaolin applied as a suspension to plant canopies forms a film on leaves that increases reflection and reduces absorption of light. Photosynthesis of individual leaves is decreased while the photosynthesis of the whole canopy remains unaffected or even increases. This may result from a better distrib...

journal_title：Annals of botany

authors： Rosati A,Metcalf SG,Buchner RP,Fulton AE,Lampinen BD

更新日期：2007-02-01 00:00:00

abstract：BACKGROUND AND AIMS:The coexistence of forest tree species has often been linked to differences among species in terms of their response to light availability during the regeneration stage. From this perspective, species coexistence results from growth-growth or mortality-growth trade-offs along spatial light gradients...

journal_title：Annals of botany

authors： Van Couwenberghe R,Gégout JC,Lacombe E,Collet C

更新日期：2013-11-01 00:00:00

abstract：:The 'Oxalis tuberosa alliance' is a group of Andean Oxalis species allied to the Andean tuber crop O. tuberosa Molina (Oxalidaceae), commonly known as 'oca'. As part of a larger project studying the origins of polyploidy and domestication of cultivated oca, flow cytometry was used to survey DNA ploidy levels among Bol...

journal_title：Annals of botany

authors： Emshwiller E

更新日期：2002-06-01 00:00:00

abstract：BACKGROUND:Low phosphorus (P) availability is a major constraint to soybean growth and production. Developing P-efficient soybean varieties that can efficiently utilize native P and added P in the soils would be a sustainable and economical approach to soybean production. SCOPE:This review summarizes the possible mech...

journal_title：Annals of botany

authors： Wang X,Yan X,Liao H

更新日期：2010-07-01 00:00:00

abstract：:Adventitious root development in lamina and midrib-petiole junction expiants of sugar beet cv. Primo was investigated using scanning electron microscopy and light microscopy. Primordia developed close to the vascular strands and areas of newly dividing cells (meristematic centres) were seen adjacent to the intrafascic...

journal_title：Annals of botany

authors： Gürel E,Wren MJ

更新日期：1995-01-01 00:00:00