Assessment of enzyme induction and aerenchyma formation as mechanisms for flooding tolerance in Trifolium subterraneum 'Park'.

abstract：BACKGROUND AND AIMS:Grapevine (Vitis spp.) cold hardiness varies dynamically throughout the dormant season, primarily in response to changes in temperature. The development and possible uses of a discrete-dynamic model of bud cold hardiness for three Vitis genotypes are described. METHODS:Iterative methods were used t...

journal_title：Annals of botany

authors： Ferguson JC,Tarara JM,Mills LJ,Grove GG,Keller M

更新日期：2011-03-01 00:00:00

abstract：BACKGROUND AND AIMS:Floral nectar concentration and chemical composition of 26 plant species native to the temperate forest of southern South America are reported and the relationships with the flower type are evaluated. METHODS:Nectar concentration was measured with a hand refractometer and sugar composition was anal...

journal_title：Annals of botany

authors： Chalcoff VR,Aizen MA,Galetto L

更新日期：2006-03-01 00:00:00

abstract：BACKGROUND:Lignin is a polyphenolic polymer that strengthens and waterproofs the cell wall of specialized plant cell types. Lignification is part of the normal differentiation programme and functioning of specific cell types, but can also be triggered as a response to various biotic and abiotic stresses in cells that w...

journal_title：Annals of botany

authors： Barros J,Serk H,Granlund I,Pesquet E

更新日期：2015-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Many previous studies conclude that pre-zygotic barriers such as mechanical isolation account for most reproductive isolation between pairs of taxa. However, the inheritance and persistence of barriers such as these after the first generation of hybridization is rarely quantified, even though it is ...

journal_title：Annals of botany

authors： Larcombe MJ,Costa E Silva J,Tilyard P,Gore P,Potts BM

更新日期：2016-09-01 00:00:00

abstract：BACKGROUNDS AND AIMS:Thermogenesis in reproductive organs is known from several plant families, including the Araceae. A study was made of the relationship between temperature increase and spadix size in the subfamily Aroideae in order to determine whether the quantitative variation of heat production among species and...

journal_title：Annals of botany

authors： Gibernau M,Barabé D,Moisson M,Trombe A

更新日期：2005-07-01 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 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:Preliminary field observations in 2001 and 2002 suggested that Kingdonia uniflora (Circaeasteraceae, Ranunculales) exhibits heterodichogamy, an unusual kind of reproductive heteromorphy, hitherto unreported in Ranunculales and known from only one other genus in basal eudicots. METHODS:During severa...

journal_title：Annals of botany

authors： Wang XM,Zhang P,Du QG,He HX,Zhao L,Ren Y,Endress PK

更新日期：2012-05-01 00:00:00

abstract：BACKGROUND:Carboxylate-releasing cluster roots of Proteaceae play a key role in acquiring phosphorus (P) from ancient nutrient-impoverished soils in Australia. However, cluster roots are also found in Proteaceae on young, P-rich soils in Chile where they allow P acquisition from soils that strongly sorb P. SCOPE:Unlik...

journal_title：Annals of botany

authors： Lambers H,Bishop JG,Hopper SD,Laliberté E,Zúñiga-Feest A

更新日期：2012-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Understanding the fate and dynamics of cells during callus formation is essential to understanding totipotency and the mechanisms of somatic embryogenesis. Here, the fate of leaf explant cells during the development of embryogenic callus was investigated in the model legume Medicago truncatula. MET...

journal_title：Annals of botany

authors： Wang XD,Nolan KE,Irwanto RR,Sheahan MB,Rose RJ

更新日期：2011-04-01 00:00:00

abstract：BACKGROUND AND AIMS:Successful cryopreservation of bryophytes is linked to intrinsic desiccation tolerance and survival can be enhanced by pre-treatment with abscisic acid (ABA) and sucrose. The pioneer moss Ditrichum plumbicola is naturally subjected to desiccation in the field but showed unexpectedly low survival of ...

journal_title：Annals of botany

authors： Rowntree JK,Duckett JG,Mortimer CL,Ramsay MM,Pressel S

更新日期：2007-09-01 00:00:00

abstract：:Roots of the aquatic angiosperm Limnobium spongia (Bosc) Steud. were evaluated by light and electron microscopy to determine the distribution of organelle sedimentation towards gravity. Roots of Limnobium are strongly gravitropic. The rootcap consists of only two layers of cells. Although small amyloplasts are present...

journal_title：Annals of botany

authors： Sack FD,Kim D,Stein B

更新日期：1994-07-01 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：BACKGROUND AND AIMS:The pericarp weight comprises <17 % of wheat grain weight at harvest. The pericarp supports the hydration and nutrition of both the embryo and endosperm during early grain filling. However, studies of the pericarp and its association with final grain weight have been scarce. This research studied th...

journal_title：Annals of botany

authors： Herrera J,Calderini DF

更新日期：2020-10-30 00:00:00

abstract：BACKGROUND AND AIMS:Plant growth, the increase of organ dimensions over time, and development, the change in plant structure, are often studied as two separate processes. However, there is structural and functional evidence that these two processes are strongly related. The aim of this study was to investigate the co-o...

journal_title：Annals of botany

authors： Dambreville A,Lauri PÉ,Normand F,Guédon Y

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Hypocotyls are a commonly used model to study primary growth in plants, since post-germinative hypocotyls increase in size by cell elongation rather than cell division. Flax hypocotyls produce phloem fibres in bundles one to two cell layers thick, parallel to the protoxylem poles of the stele. Cell ...

journal_title：Annals of botany

authors： Roach MJ,Deyholos MK

更新日期：2008-09-01 00:00:00

abstract：BACKGROUNDS AND AIMS:Nitrogen nutrition of legumes, which relies both on atmospheric N2 and soil mineral N, remains a major limiting factor of growth. A decade ago, breeders tried to increase N uptake through hypernodulation. Despite their high nodule biomass, hypernodulating mutants were never shown to accumulate more...

journal_title：Annals of botany

authors： Voisin AS,Bourion V,Duc G,Salon C

更新日期：2007-12-01 00:00:00

abstract：BACKGROUND AND AIMS:A standardized methodology to assess the impacts of land-use changes on vegetation and ecosystem functioning is presented. It assumes that species traits are central to these impacts, and is designed to be applicable in different historical, climatic contexts and local settings. Preliminary results ...

journal_title：Annals of botany

authors： Garnier E,Lavorel S,Ansquer P,Castro H,Cruz P,Dolezal J,Eriksson O,Fortunel C,Freitas H,Golodets C,Grigulis K,Jouany C,Kazakou E,Kigel J,Kleyer M,Lehsten V,Leps J,Meier T,Pakeman R,Papadimitriou M,Papanastasis VP

更新日期：2007-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Species in plant communities segregate along fine-scale hydrological gradients. Although this phenomenon is not unique to fynbos, this community regenerates after fire and therefore provides an opportunity to study the ecological genesis of hydrological niche segregation. METHODS:Following wildfire...

journal_title：Annals of botany

authors： Silvertown J,Araya YN,Linder HP,Gowing DJ

更新日期：2012-11-01 00:00:00

abstract：BACKGROUND AND AIMS:Water is an increasingly scarce resource that limits crop productivity in many parts of the world, and the frequency and severity of drought are predicted to increase as a result of climate change. Improving tolerance to drought stress is therefore important for maximizing future crop yields. The ai...

journal_title：Annals of botany

authors： Marquez-Garcia B,Shaw D,Cooper JW,Karpinska B,Quain MD,Makgopa EM,Kunert K,Foyer CH

更新日期：2015-09-01 00:00:00

abstract：Background and Aims:Root cortical senescence (RCS) is a poorly understood phenomenon with implications for adaptation to edaphic stress. It was hypothesized that RCS in barley (Hordeum vulgare L.) is (1) accelerated by exogenous ethylene exposure; (2) accompanied by differential expression of ethylene synthesis and sig...

journal_title：Annals of botany

authors： Schneider HM,Wojciechowski T,Postma JA,Brown KM,Lynch JP

更新日期：2018-06-28 00:00:00

abstract：BACKGROUND AND AIMS:The time at which plants are transferred to floral inductive conditions affects the onset of flowering and plant morphology, due to juvenility. Plants of Brunonia australis and Calandrinia sp. were used to investigate whether Australian native ephemeral species show a distinct juvenile phase that ca...

journal_title：Annals of botany

authors： Cave RL,Birch CJ,Hammer GL,Erwin JE,Johnston ME

更新日期：2011-07-01 00:00:00

abstract：:An important function of the seed coat is to deliver nutrients to the embryo. To relate this function to anatomical characteristics, the developing seed coat of pea (Pisum sativum L.) was examined by light- and cryo-scanning electron microscopy (cryo-SEM) from the late pre-storage phase until the end of seed filling. ...

journal_title：Annals of botany

authors： Van Dongen JT,Ammerlaan AM,Wouterlood M,Van Aelst AC,Borstlap AC

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Kip-related-proteins (KRPs), negative regulators of cell division, have recently been discovered in plants but their in planta function is as yet unclear. In this study the spatial expression of all seven KRP genes in shoot apices of Arabidopsis thaliana were compared. METHODS:In situ hybridization...

journal_title：Annals of botany

authors： Ormenese S,de Almeida Engler J,De Groodt R,De Veylder L,Inzé D,Jacqmard A

更新日期：2004-05-01 00:00:00

abstract：AIMS AND BACKGROUND:While the temperature response of soil respiration (R(S)) has been well studied, the partitioning of heterotrophic respiration (R(H)) by soil microbes from autotrophic respiration (R(A)) by roots, known to have distinct temperature sensitivities, has been problematic. Further complexity stems from t...

journal_title：Annals of botany

authors： Graham SL,Millard P,Hunt JE,Rogers GN,Whitehead D

更新日期：2012-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Acer saccharum and Fagus grandifolia are among the most dominant late-successional tree species in North America. The influence of sapling growth responses to canopy gaps on the co-dominance of the two species in an old-growth forest in southern Quebec, Canada was examined. Two predictions were eval...

journal_title：Annals of botany

authors： Takahashi K,Lechowicz MJ

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Most Neotropical species of Malpighiaceae produce floral fatty oils in calyx glands to attract pollinating oil-collecting bees, which depend on this resource for reproduction. This specialized type of pollination system tends to be lost in members of the family that occur outside the geographic dist...

journal_title：Annals of botany

authors： Cappellari SC,Haleem MA,Marsaioli AJ,Tidon R,Simpson BB

更新日期：2011-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Seagrasses are marine, flowering plants with a hydrophilous pollination strategy. In these plants, successful mating requires dispersal of filamentous pollen grains through the water column to receptive stigmas. Approximately 40 % of seagrass species are monoecious, and therefore little pollen movem...

journal_title：Annals of botany

authors： Sinclair EA,Gecan I,Krauss SL,Kendrick GA

更新日期：2014-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Increasing energy demands and the necessity to reduce greenhouse gas emissions are key motivating factors driving the development of lignocellulosic crops as an alternative to non-renewable energy sources. The effects of global climate change will require a better understanding of the genetic basis ...

journal_title：Annals of botany

authors： Carlson CH,Gouker FE,Crowell CR,Evans L,DiFazio SP,Smart CD,Smart LB

更新日期：2019-10-29 00:00:00

abstract：BACKGROUND AND AIMS:Floral development is remarkably robust in terms of the identity and number of floral organs in each whorl, whereas vegetative development can be quite plastic. This canalization of flower development prevents the phenotypic expression of cryptic genetic variation, even in fluctuating environments. ...

journal_title：Annals of botany

authors： Monniaux M,Pieper B,Hay A

更新日期：2016-04-01 00:00:00