Assessment of the validity of the sections in Musa (musaceae) using AFLP.

abstract：BACKGROUND AND AIMS:Epigenetic regulation plays an important role in the management of plant growth, development and response to stress factors, and several reports have indicated that DNA methylation plays a critical role in seed development and viability. This study examines changes in 5-methylcytosine (m(5)C) levels...

journal_title：Annals of botany

authors： Michalak M,Plitta-Michalak BP,Naskręt-Barciszewska M,Barciszewski J,Bujarska-Borkowska B,Chmielarz P

更新日期：2015-09-01 00:00:00

abstract：:SF21 was originally described as a pollen- and pistil-expressed protein from sunflower and tobacco. In pistils excised from these species, transcripts were detected in the stigma and in the transmitting tissue where they accumulated in an ovary-oriented increasing concentration gradient. We studied the cellular locali...

journal_title：Annals of botany

authors： Kräuter-Canham R,Bronner R,Steinmetz A

更新日期：2001-02-01 00:00:00

abstract：:The various pollen dispersal units (PDU) found in orchids are discussed together with possible evolutionary trends and the consequences for germination and fertilization. Orchids with monad and tetrad pollen form more complex dispersal units by means of pollenkitt, elastoviscin, a callosic wall, common walls or a comb...

journal_title：Annals of botany

authors： Pacini E,Hesse M

更新日期：2002-06-01 00:00:00

abstract：Background and Aims:Rubus subgenus Rubus is a group of mostly apomictic and polyploid species with a complicated taxonomy and history of ongoing hybridization. The only polyploid series with prevailing sexuality is the series Glandulosi , although the apomictic series Discolores and Radula also retain a high degree of ...

journal_title：Annals of botany

authors： Šarhanová P,Sharbel TF,Sochor M,Vašut RJ,Dancák M,Trávnícek B

更新日期：2017-08-01 00:00:00

abstract：BACKGROUND AND AIMS:Recent biodiversity research has focused on ecosystem processes, but less is known about responses of populations of individual plant species to changing community diversity and implications of genetic variation within species. To address these issues, effects of plant community diversity on the per...

journal_title：Annals of botany

authors： Roscher C,Schumacher J,Weisser WW,Schulze ED

更新日期：2008-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Root diameter, especially apical diameter, plays an important role in root development and function. The variation in diameter between roots, and along roots, affects root structure and thus the root system's overall foraging performance. However, the effect of diameter variation on root elongation,...

journal_title：Annals of botany

authors： Wu Q,Pagès L,Wu J

更新日期：2016-03-01 00:00:00

abstract：BACKGROUND AND AIMS:The palm tribe Chamaedoreeae displays flowers arranged in a complex partial inflorescence called an acervulus. This type of partial inflorescence has so far not been reported elsewhere in the largest palm subfamily Arecoideae, which is traditionally characterized by flowers predominantly arranged in...

journal_title：Annals of botany

authors： Ortega-Chávez N,Stauffer FW

更新日期：2011-12-01 00:00:00

abstract：BACKGROUND AND AIMS:Nuclear DNA amounts of 12 diploid and one tetraploid taxa and 12 natural interspecific hybrids of Cirsium from 102 populations in the Czech Republic, Austria, Slovakia and Hungary were estimated. METHODS:DAPI and PI flow cytometry were used. KEY RESULTS:2C-values of diploid (2n = 34) species varie...

journal_title：Annals of botany

authors： Bures P,Wang YF,Horova L,Suda J

更新日期：2004-09-01 00:00:00

abstract：:Flowering activity and sex expression of Bischofia javanica Blume were investigated for 3 years. B. javanica is an invasive dioecious tree of subtropical forests on the Bonin Islands in the western Pacific of Japan. The sex ratio showed a significant male bias (1.25-2.33). Smaller trees were significantly male biased,...

journal_title：Annals of botany

authors： Yamashita N,Abe T

更新日期：2002-11-01 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:Woodland spring ephemerals exhibit a relatively short epigeous growth period prior to canopy closure. However, it has been suggested that leaf senescence is induced by a reduction in the carbohydrate sink demand, rather than by changes in light availability. To ascertain whether a potentially higher...

journal_title：Annals of botany

authors： Gutjahr S,Lapointe L

更新日期：2008-11-01 00:00:00

abstract：BACKGROUND AND AIMS:The persistence of plants inhabiting restricted alpine areas under climate change will depend upon many factors including levels of genetic variation in adaptive traits, population structure, and breeding system. METHODS:Using microsatellite markers, the genetic structure of populations of a relati...

journal_title：Annals of botany

authors： Byars SG,Parsons Y,Hoffmann AA

更新日期：2009-04-01 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:Many alpine plant species combine clonal and sexual reproduction to minimize the risks of flowering and seed production in high mountain regions. The spatial genetic structure and diversity of these alpine species is strongly affected by different clonal strategies (phalanx or guerrilla) and the pro...

journal_title：Annals of botany

authors： Reisch C,Schurm S,Poschlod P

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND AND AIMS:Xylem flows into most fruits decline as the fruit develop, with important effects on mineral and carbohydrate accumulation. It has been hypothesized that an increase in xylem hydraulic resistance (RT) contributes to this process. This study examined changes in RT that occur during development of the...

journal_title：Annals of botany

authors： Mazzeo M,Dichio B,Clearwater MJ,Montanaro G,Xiloyannis C

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Insufficient pollination is a function of quantity and quality of pollen receipt, and the relative contribution of each to pollen limitation may vary with intrinsic plant traits and extrinsic ecological properties. Community-level studies are essential to evaluate variation across species in quality...

journal_title：Annals of botany

authors： Alonso C,Navarro-Fernández CM,Arceo-Gómez G,Meindl GA,Parra-Tabla V,Ashman TL

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND AND AIMS:In spite of major breakthroughs in the last three decades in the identification of root nitrate uptake transporters in plants and the associated regulation of nitrate transport activities, a simplified and operational modelling approach for nitrate uptake is still lacking. This is due mainly to the ...

journal_title：Annals of botany

authors： Le Deunff E,Malagoli P

更新日期：2014-05-01 00:00:00

abstract：:Production of grain legumes is severely reduced in salt-affected soils because their ability to form and maintain nitrogen-fixing nodules is impaired by both salinity and sodicity (alkalinity). Genotypes of chickpea, Cicer arietinum, with high nodulation capacity under stress were identified by field screening in a so...

journal_title：Annals of botany

authors： Rao DL,Giller KE,Yeo AR,Flowers TJ

更新日期：2002-05-01 00:00:00

abstract：BACKGROUND:Gynodioecy is a reproductive system of interest for evolutionary biologists, as it poses the question of how females can be maintained while competing with hermaphrodites that possess both male and female functions. One necessary condition for the maintenance of this polymorphism is the occurrence of a femal...

journal_title：Annals of botany

authors： Dufay M,Billard E

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Mechanical perturbation is known to inhibit elongation of the inflorescence stem of Arabidopsis thaliana. The phenomenon has been reported widely for both herbaceous and woody plants, and has implications for how plants adjust their size and form to survive in mechanically perturbed environments. Wh...

journal_title：Annals of botany

authors： Paul-Victor C,Rowe N

更新日期：2011-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Fodder provision in species-rich grasslands, i.e. herbage growth, proportion of leaf, and leaf and stem digestibility, is difficult to predict for short periods of time, such as between two defoliations or less. The value of two methods based on plant traits for evaluating these agronomic properties...

journal_title：Annals of botany

authors： Ansquer P,Duru M,Theau JP,Cruz P

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Late-acting self-incompatibility (LSI), in which selfed flowers fail to form fruits despite apparently successful growth of the pollen tubes to the ovules, is a contentious and still poorly understood phenomenon. Some studies have indicated pollen tube-pistil interactions, and major gene control. Ot...

journal_title：Annals of botany

authors： Gibbs P,Bianchi MB,Taroda Ranga N

更新日期：2004-08-01 00:00:00

abstract：Background and Aims:Plants usually compete with neighbouring plants for resources such as light as well as defend themselves against herbivorous insects. This requires investment of limiting resources, resulting in optimal resource distribution patterns and trade-offs between growth- and defence-related traits. A plant...

journal_title：Annals of botany

authors： de Vries J,Poelman EH,Anten N,Evers JB

更新日期：2018-04-18 00:00:00

abstract：:Roots of Allium cepa L. grown in aerated water elongate rapidly, but are not graviresponsive. These roots (1) possess extensive columella tissues comprised of cells containing numerous sedimented amyloplasts, (2) lack mucilage on their tips, and (3) are characterized by a weakly polar movement of calcium (Ca) across ...

journal_title：Annals of botany

authors： Moore R,Fondren WM

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Phytochrome B (phyB) is a photosensory receptor important for the control of plant plasticity and resource partitioning. Whether phyB is required to optimize plant biomass accumulation in agricultural crops exposed to full sunlight is unknown. Here we investigated the impact of mutations in the gene...

journal_title：Annals of botany

authors： Wies G,Mantese AI,Casal JJ,Maddonni GÁ

更新日期：2019-06-24 00:00:00

abstract：:Water relations and photosynthetic characteristics of plants of Lycium nodosum grown under increasing water deficit (WD), saline spray (SS) or saline irrigation (SI) were studied. Plants of this perennial, deciduous shrub growing in the coastal thorn scrubs of Venezuela show succulent leaves which persist for approx. ...

journal_title：Annals of botany

authors： Tezara W,Martínez D,Rengifo E,Herrera A

更新日期：2003-12-01 00:00:00

abstract：BACKGROUND AND AIMS:Mineral elements have many essential and beneficial functions in plants. Phosphorus (P) deficiency can result in changes in the ionomes of plant organs. The aims of this study were to characterize the effects of P supply on the ionomes of shoots and roots, and to identify chromosomal quantitative tr...

journal_title：Annals of botany

authors： Wang W,Ding G,White PJ,Wang M,Zou J,Xu F,Hammond JP,Shi L

更新日期：2020-06-19 00:00:00

abstract：BACKGROUND AND AIMS:Ecologists are increasingly using plant functional traits to predict community assembly, but few studies have linked functional traits to species' responses to fine-scale resource gradients. In this study, it was tested whether saplings of woody species partition fine-scale gradients in light availa...

journal_title：Annals of botany

authors： Fajardo A,Siefert A

更新日期：2016-12-01 00:00:00

abstract：:Wheat plants (Triticum aestivum L. 'Lyallpur'), limited to a single culm, were grown at day/night temperatures of either 18/13 degrees C (moderate temperature), or 27/22 degrees C (chronic high temperature) from the time of anthesis. Plants were either non-droughted or subjected to two post-anthesis water stresses by ...

journal_title：Annals of botany

authors： Wardlaw IF

更新日期：2002-10-01 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