Natural variation in stomatal abundance of Arabidopsis thaliana includes cryptic diversity for different developmental processes.

abstract：BACKGROUND AND AIMS:The ability to detect and respond to the impending threat of shade can confer significant selective advantage to plants growing in natural communities. This Botanical Briefing highlights (a) the regulation of shade-avoidance responses by endogenous and exogenous factors and (b) current understanding...

journal_title：Annals of botany

authors： Franklin KA,Whitelam GC

更新日期：2005-08-01 00:00:00

abstract：BACKGROUND AND AIMS:A reduction in offspring fitness resulting from mating between neighbours is interpreted as biparental inbreeding depression. However, little is known about the relationship between the parents' genetic relatedness and biparental inbreeding depression in their progeny in natural populations. This st...

journal_title：Annals of botany

authors： Hirao AS

更新日期：2010-04-01 00:00:00

abstract：:Although active oxygen species are produced at high rates in both the chloroplasts and peroxisomes of the leaves of C3 plants, most attention has focused on the potentially damaging consequences of enhanced chloroplastic production in stress conditions such as drought. This article attempts to provide quantitative est...

journal_title：Annals of botany

authors： Noctor G,Veljovic-Jovanovic S,Driscoll S,Novitskaya L,Foyer CH

更新日期：2002-06-01 00:00:00

abstract：BACKGROUND AND AIMS:The gametophyte phase of ferns plays an important role in habitat selection, dispersal, adaptation and evolution. However, ecological studies on fern gametophytes have been impeded due to the difficulty of species identification of free-living gametophytes. DNA barcoding provides an alternative appr...

journal_title：Annals of botany

authors： Chen CW,Huang YM,Kuo LY,Nguyen QD,Luu HT,Callado JR,Farrar DR,Chiou WL

更新日期：2013-04-01 00:00:00

abstract：BACKGROUND AND AIMS:Several biogeographic models have been proposed to explain the colonization and diversification patterns of Macaronesian lineages. In this study, we calculated the diversification rates and explored what model better explains the current distribution of the 15 endemic species to the Canary Islands b...

journal_title：Annals of botany

authors： Albaladejo RG,Martín-Hernanz S,Reyes-Betancort JA,Santos-Guerra A,Olangua-Corral M,Aparicio A

更新日期：2020-05-09 00:00:00

abstract：Background and Aims:Diversity of the genus Sorbus has been affected by interspecific hybridizations. Pink-flowered hybrid species have been insufficiently studied so far. They comprise bigenomic hybrid species derived from crosses S. aria s.l. × S. chamaemespilus and trigenomic ones, where S. aucuparia was involved as ...

journal_title：Annals of botany

authors： Uhrinová V,Zozomová-Lihová J,Bernátová D,Paule J,Paule L,Gömöry D

更新日期：2017-08-01 00:00:00

abstract：BACKGROUND:Clonal plants spread laterally by spacers between their ramets (shoot-root units); these spacers can transport and store resources. While much is known about how clonality promotes plant fitness, we know little about how different clonal plants influence ecosystem functions related to carbon, nutrient and wa...

journal_title：Annals of botany

authors： Cornelissen JH,Song YB,Yu FH,Dong M

更新日期：2014-08-01 00:00:00

abstract：BACKGROUND AND AIMS:Initial release height and settling speed of diaspores are biologically controlled components which are key to modelling wind dispersal. Most Sphagnum (peat moss) species have explosive spore liberation. In this study, how capsule and spore sizes affect the height to which spores are propelled were ...

journal_title：Annals of botany

authors： Sundberg S

更新日期：2010-02-01 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:Helichrysum bracteatum is called an 'eternal flower' and has large, coloured, scarious bracts. These maintain their aesthetic value without wilting or discoloration for many years. There have been no research studies of cell death or cell morphology of the scarious bract, and hence the aim of this w...

journal_title：Annals of botany

authors： Nishikawa K,Ito H,Awano T,Hosokawa M,Yazawa S

更新日期：2008-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Covalent linkages between xyloglucan and rhamnogalacturonan-I (RG-I) have been reported in the primary cell walls of cultured Rosa cells and may contribute to wall architecture. This study investigated whether this chemical feature is general to angiosperms or whether Rosa is unusual. * METHODS:Xyl...

journal_title：Annals of botany

authors： Popper ZA,Fry SC

更新日期：2005-07-01 00:00:00

abstract：BACKGROUND AND AIMS:The use of microarrays to characterize the transcript profile of Arabidopsis under various experimental conditions is rapidly expanding. This technique provides a huge amount of expression data, requiring bioinformatics tools to allow the proposal of working hypotheses. The aim of this study was to ...

journal_title：Annals of botany

authors： Gonzali S,Loreti E,Novi G,Poggi A,Alpi A,Perata P

更新日期：2005-09-01 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 and Aims:Fossil plants are found as fragmentary remains and understanding them as natural species requires assembly of whole-organism concepts that integrate different plant parts. Such concepts are essential for incorporating fossils in hypotheses of plant evolution and phylogeny. Plants of the Early Devoni...

journal_title：Annals of botany

authors： Matsunaga KKS,Tomescu AMF

更新日期：2017-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Pollination is a critical stage in plant reproduction and thus in the maintenance and evolution of species and communities. The Caatinga is the fourth largest ecosystem in Brazil, but despite its great extent and its importance few studies providing ecological information are available, with a notab...

journal_title：Annals of botany

authors： Machado IC,Lopes AV

更新日期：2004-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Despite extensive study of polyploidy, its origin, and ecogeographical differences between polyploids and their diploid progenitors, few studies have addressed ploidy-level structure and patterns of ecogeographical differentiation at various spatial scales using detailed sampling procedures. The pat...

journal_title：Annals of botany

authors： Duchoslav M,Safárová L,Krahulec F

更新日期：2010-05-01 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：BACKGROUND:Many plant species can modify their root architecture to enable them to forage for heterogeneously distributed nutrients in the soil. The foraging response normally involves increased proliferation of lateral roots within nutrient-rich soil patches, but much remains to be understood about the signalling mech...

journal_title：Annals of botany

authors： Walch-Liu P,Ivanov II,Filleur S,Gan Y,Remans T,Forde BG

更新日期：2006-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Reconstructions have identified the 20th century as being uniquely warm in the last 1000 years. Changes in the phenology of primary meristems converged toward increases in length of the growing season. Has the phenology of secondary meristem changed during the last century, and to what extent? METH...

journal_title：Annals of botany

authors： Boulouf Lugo J,Deslauriers A,Rossi S

更新日期：2012-11-01 00:00:00

abstract：BACKGROUND AND AIMS:As annual crops develop, transpirational water loss increases substantially. This increase has to be matched by an increase in water uptake through the root system. The aim of this study was to assess the contributions of changes in intrinsic root hydraulic conductivity (Lp, water uptake per unit ro...

journal_title：Annals of botany

authors： Suku S,Knipfer T,Fricke W

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Recent studies of reproductive biology in ancient angiosperm lineages are beginning to shed light on the early evolution of flowering plants, but comparative studies are restricted by fragmented and meagre species representation in these angiosperm clades. In the present study, the progamic phase, f...

journal_title：Annals of botany

authors： Lora J,Hormaza JI,Herrero M

更新日期：2010-02-01 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:The trailing edges of species ranges are becoming a subject of increasing interest as the environment changes due to global warming. Trailing edge populations are likely to face extinction because of a decline in numbers and an inability to evolve new adaptations with sufficient speed. Discussions of charact...

journal_title：Annals of botany

authors： Levin DA

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Stigmatic receptivity plays a clear role in pollination dynamics; however, little is known about the factors that confer to a stigma the competence to be receptive for the germination of pollen grains. In this work, a developmental approach is used to evaluate the acquisition of stigmatic receptivit...

journal_title：Annals of botany

authors： Losada JM,Herrero M

更新日期：2012-08-01 00:00:00

abstract：BACKGROUND:Population and environmental pressure have imposed a great challenge on agriculture in China to explore innovative and effective solutions to its pressing plant nutritional problems. Plant nutriomics is a new frontier in plant biology that can provide innovative solutions for improving plant nutrient efficie...

journal_title：Annals of botany

authors： Yan X,Wu P,Ling H,Xu G,Xu F,Zhang Q

更新日期：2006-09-01 00:00:00

abstract：:Elevated CO(2) and ozone effects were studied singly and in combination on the crown structure of two Betula pendula clones. Measurements were made at the end of the second fumigation period in an open-top-chamber experiment with 9-year-old trees. Shoot ramification (number of long and short daughter shoots), shoot le...

journal_title：Annals of botany

authors： Kull O,Tulva I,Vapaavuori E

更新日期：2003-04-01 00:00:00

abstract：:Stress on plants imposed by flooding of the soil and deeper submergence constitutes one of the major abiotic constraints on growth, species' distribution and agricultural productivity. Flooding stress is also a strong driver of adaptive evolution. This has resulted in a wide range of biochemical, molecular and morphol...

journal_title：Annals of botany

authors： Jackson MB,Colmer TD

更新日期：2005-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Solanaceae seed morphology and physiology have been widely studied but mainly in domesticated crops. The present study aimed to compare the seed morphology and the physiology of germination of Solanum lycocarpum, an important species native to the Brazilian Cerrado, with two species with endospermic...

journal_title：Annals of botany

authors： Pinto LV,Da Silva EA,Davide AC,De Jesus VA,Toorop PE,Hilhorst HW

更新日期：2007-12-01 00:00:00

abstract：BACKGROUND AND AIMS:The leaf rosettes of the carnivorous Pinguicula moranensis follow a spiral phyllotaxis approaching a Fibonacci pattern while the stalked flowers arise from extra-axillary sites between the leaves. The organization of this rosette has been discussed by various authors, with various results. The aim o...

journal_title：Annals of botany

authors： Grob V,Pfeifer E,Rutishauser R

更新日期：2007-10-01 00:00:00

abstract：BACKGROUND AND AIMS:Although allopolyploidy is a prevalent speciation mechanism in plants, its adaptive consequences are poorly understood. In addition, the effects of allopolyploidy per se (i.e. hybridization and chromosome doubling) can be confounded with those of subsequent evolutionary divergence between allopolypl...

journal_title：Annals of botany

authors： Quintanilla LG,Escudero A

更新日期：2006-09-01 00:00:00