Synorganisation without organ fusion in the flowers of Geranium robertianum (Geraniaceae) and its not so trivial obdiplostemony.

abstract：BACKGROUND AND AIMS:Theory for optimal allocation of foliar nitrogen (ONA) predicts that both nitrogen concentration and photosynthetic capacity will scale linearly with gradients of insolation within plant canopies. ONA is expected to allow plants to efficiently use both light and nitrogen. However, empirical data gen...

journal_title：Annals of botany

authors： Posada JM,Lechowicz MJ,Kitajima K

更新日期：2009-03-01 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：BACKGROUND AND AIMS:Although mangroves have been extensively studied, little is known about their ecological wood anatomy. This investigation examined the potential use of vessel density as a proxy for soil water salinity in the mangrove species Rhizophora mucronata (Rhizophoraceae) from Kenya. METHODS:In a time-stand...

journal_title：Annals of botany

authors： Schmitz N,Verheyden A,Beeckman H,Kairo JG,Koedam N

更新日期：2006-12-01 00:00:00

abstract：BACKGROUND AND AIMS:Digestive structures of carnivorous plants produce external digestive enzymes, and play the main role in absorption. In Lentibulariaceae, the ultrastructure of digestive hairs has been examined in some detail in Pinguicula and Utricularia, but the sessile digestive hairs of Genlisea have received ve...

journal_title：Annals of botany

authors： Płachno BJ,Kozieradzka-Kiszkurno M,Swiatek P

更新日期：2007-08-01 00:00:00

abstract：BACKGROUND AND AIMS:An endogenous rhythm synchronized to dawn cannot time photosynthesis-linked genes to peak consistently at noon since the interval between sunrise and noon changes seasonally. In this study, a solar clock model that circumvents this limitation is proposed using two daily timing references synchronize...

journal_title：Annals of botany

authors： Yeang HY

更新日期：2015-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Aluminium is toxic in acid soils because the soluble Al(3+) inhibits root growth. A mechanism of Al(3+) tolerance discovered in many plant species involves the release of organic anions from root apices. The Al(3+)-activated release of citrate from the root apices of Al(3+)-tolerant genotypes of bar...

journal_title：Annals of botany

authors： Zhou G,Delhaize E,Zhou M,Ryan PR

更新日期：2013-08-01 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：:The maize (Zea mays L.) kernel undergoes large changes in water content during its development. Whether such changes regulate the pattern of kernel development or are simply a consequence of it has not yet been established because other factors, such as assimilate supply, can also affect the rate and duration of kerne...

journal_title：Annals of botany

authors： Borrás L,Westgate ME,Otegui ME

更新日期：2003-06-01 00:00:00

abstract：BACKGROUND AND SCOPE:Self-incompatibility (SI) in flowering plants ensures the maintenance of genetic diversity by ensuring outbreeding. Different genetic and mechanistic systems of SI among flowering plants suggest either multiple origins of SI or considerable evolutionary diversification. In the grasses, SI is based ...

journal_title：Annals of botany

authors： Klaas M,Yang B,Bosch M,Thorogood D,Manzanares C,Armstead IP,Franklin FC,Barth S

更新日期：2011-09-01 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:Adventitious root (AR) formation in Petunia hybrida is inhibited by low nitrogen fertilization of stock plants but promoted by dark incubation of cuttings before planting. We investigated whether the plant hormone auxin is involved in nitrogen- and dark-mediated AR formation. METHODS:Concentrations...

journal_title：Annals of botany

authors： Yang H,Klopotek Y,Hajirezaei MR,Zerche S,Franken P,Druege U

更新日期：2019-11-27 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:Watermelons, Citrullus species (Cucurbitaceae), are native to Africa and have been cultivated since ancient times. The fruit flesh of wild watermelons is watery, but typically hard-textured, pale-coloured and bland or bitter. The familiar sweet dessert watermelons, C. lanatus, featuring non-bitter, ...

journal_title：Annals of botany

authors： Paris HS

更新日期：2015-08-01 00:00:00

abstract：:Background and Aims Allozyme and reproductive data sets for the Canarian flora are updated in order to assess how the present levels and structuring of genetic variation have been influenced by the abiotic island traits and by phylogenetically determined biotic traits of the corresponding taxa; and in order to suggest...

journal_title：Annals of botany

authors： Pérez de Paz J,Caujapé-Castells J

更新日期：2013-06-01 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:Archipelagos are unique systems for studying evolutionary processes promoting diversification and speciation. The islands of the Mediterranean basin are major areas of plant richness, including a high proportion of narrow endemics. Many endemic plants are currently found in rocky habitats, showing v...

journal_title：Annals of botany

authors： Mayol M,Palau C,Rosselló JA,González-Martínez SC,Molins A,Riba M

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Lomatium dissectum (Apiaceae) is a perennial, herbaceous plant of wide distribution in Western North America. At the time of dispersal, L. dissectum seeds are dormant and have under-developed embryos. The aims of this work were to determine the requirements for dormancy break and germination, to cha...

journal_title：Annals of botany

authors： Scholten M,Donahue J,Shaw NL,Serpe MD

更新日期：2009-05-01 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:During the growing season, the cambium of conifer trees produces successive rows of xylem cells, the tracheids, that sequentially pass through the phases of enlargement and secondary wall thickening before dying and becoming functional. Climate variability can strongly influence the kinetics of morp...

journal_title：Annals of botany

authors： Castagneri D,Fonti P,von Arx G,Carrer M

更新日期：2017-04-01 00:00:00

abstract：BACKGROUND AND AIMS:Despite a recent new classification, a stable phylogeny for the cycads has been elusive, particularly regarding resolution of Bowenia, Stangeria and Dioon. In this study, five single-copy nuclear genes (SCNGs) are applied to the phylogeny of the order Cycadales. The specific aim is to evaluate sever...

journal_title：Annals of botany

authors： Salas-Leiva DE,Meerow AW,Calonje M,Griffith MP,Francisco-Ortega J,Nakamura K,Stevenson DW,Lewis CE,Namoff S

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND AND AIMS:Extreme water stress episodes induce tree mortality, but the physiological mechanisms causing tree death are still poorly understood. This study tests the hypothesis that a potted tree's ability to survive extreme monotonic water stress is determined by the cavitation resistance of its xylem tissue....

journal_title：Annals of botany

authors： Barigah TS,Charrier O,Douris M,Bonhomme M,Herbette S,Améglio T,Fichot R,Brignolas F,Cochard H

更新日期：2013-11-01 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:Seeds of epiphytes must land on branches with suitable substrates and microclimates to germinate and for the resulting seedlings to survive. It is important to understand the fate of seeds and seedlings in order to model populations, but this is often neglected when only established plants are inclu...

journal_title：Annals of botany

authors： Winkler M,Hülber K,Hietz P

更新日期：2005-05-01 00:00:00

abstract：:Background and Aims Morphological variation in light-foraging strategies potentially plays important roles in efficient light utilization and carbon assimilation in spatially and temporally heterogeneous environments such as tropical moist forest understorey. By considering a suite of morphological traits at various h...

journal_title：Annals of botany

authors： Laurans M,Vincent G

更新日期：2016-10-01 00:00:00

abstract：:Using a transgenic citrus plant expressing Green Fluorescent Protein (GFP) as a parent in somatic fusion experiments, we investigated the suitability of GFP as an in vivo marker to follow the processes of protoplast fusion, regeneration and selection of hybrid plants. A high level of GFP expression was detected in tra...

journal_title：Annals of botany

authors： Olivares-Fuster O,Peña L,Duran-Vila N,Navarro L

更新日期：2002-04-01 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:The Quadrifaria group of Paspalum (Poaceae, Paniceae) comprises species native to the subtropical and temperate regions of South America. The purpose of this research was to characterize the I genomes in five species of this group and to establish phylogenetic relationships among them. METHODS:Prom...

journal_title：Annals of botany

authors： Vaio M,Speranza P,Valls JF,Guerra M,Mazzella C

更新日期：2005-08-01 00:00:00

abstract：BACKGROUND AND AIMS:The process of vascular development in plants results in the formation of a specific array of bundles that run throughout the plant in a characteristic spatial arrangement. Although much is known about the genes involved in the specification of procambium, phloem and xylem, the dynamic processes and...

journal_title：Annals of botany

authors： Cartenì F,Giannino F,Schweingruber FH,Mazzoleni S

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Artemisia halodendron is a native sub-shrub that occurs mainly in moving and semi-fixed sandy lands in Inner Mongolia, China. Information on the spatial patterns of wind-dispersed seed deposition and seedling recruitment of A. halodendron inhabiting moving sandy lands is very limited. The aim of thi...

journal_title：Annals of botany

authors： Li FR,Wang T,Zhang AS,Zhao LY,Kang LF,Chen W

更新日期：2005-07-01 00:00:00

abstract：BACKGROUND AND AIMS:It is an enduring question as to the mechanisms leading to the high diversity and the processes producing endemics with unusual morphologies in the Himalayan alpine region. In the present study, the phylogenetic relationships and origins of three such endemic genera were analysed, Dolomiaea, Diplazo...

journal_title：Annals of botany

authors： Wang YJ,Liu JQ,Miehe G

更新日期：2007-02-01 00:00:00