abstract：BACKGROUND AND AIMS:Lippia scaberrima, an aromatic indigenous South African plant, with medicinal application, potentially has economic value. The production of essential oil from this plant has not been optimized, and this study of the chemico-morphological characteristics was aimed at determining the location of oil ...

journal_title：Annals of botany

authors： Combrinck S,Du Plooy GW,McCrindle RI,Botha BM

更新日期：2007-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Species of the Nepenthaceae family are under-represented in studies of leaf traits and the consequent view of mineral nutrition and limitation in carnivorous plants. This study is aimed to complement existing data on leaf traits of carnivorous plants. METHODS:Physico-chemical properties, including ...

journal_title：Annals of botany

authors： Osunkoya OO,Daud SD,Di-Giusto B,Wimmer FL,Holige TM

更新日期：2007-05-01 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:Myrmecochory is a conspicuous feature of several sclerophyll ecosystems around the world but it has received little attention in the semi-arid areas of South America. This study addresses the importance of seed dispersal by ants in a 2500-km(2) area of the Caatinga ecosystem (north-east Brazil) and ...

journal_title：Annals of botany

authors： Leal IR,Wirth R,Tabarelli M

更新日期：2007-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Polyploids, organisms that have multiple sets of chromosomes, are common in certain plant and animal taxa. However, there are only a few reports of intraspecific ploidy variation within the genus Quercus. The aim of the study was to investigate the suspected ploidy level of two oaks that have unusua...

journal_title：Annals of botany

authors： Dzialuk A,Chybicki I,Welc M,Sliwinska E,Burczyk J

更新日期：2007-05-01 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:Differences in the mating systems and the mechanisms of reproductive isolation between Chamaecrista desvauxii var. graminea and C. desvauxii var. latistipula were examined in the Chapada Diamantina, Brazil. These taxa occur sympatrically, and their populations demonstrate marked morphological differ...

journal_title：Annals of botany

authors： Costa CB,Lambert SM,Borba EL,de Queiroz LP

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND AND AIMS:Invasion by alien plants may be partially related to disturbance-related increases in nutrient availability and decreases of competition with native species, and to superior competitive ability of the invader. Oxalis pes-caprae is an invasive winter geophyte in the Mediterranean Islands that reprodu...

journal_title：Annals of botany

authors： Sala A,Verdaguer D,Vilà M

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND AND AIMS:The recent assembly of the complete sequence of the plastid genome of the model taxon Physcomitrella patens (Funariaceae, Bryophyta) revealed that a 71-kb fragment, encompassing much of the large single copy region, is inverted. This inversion of 57% of the genome is the largest rearrangement detect...

journal_title：Annals of botany

authors： Goffinet B,Wickett NJ,Werner O,Ros RM,Shaw AJ,Cox CJ

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND AND AIMS:Evolutionary and ecological roles of the chloroplast small heat shock protein (CPsHSP) have been emphasized based on variations in protein contents; however, DNA sequence variations related to the evolutionary and ecological roles of this gene have not been investigated. In the present study, a basa...

journal_title：Annals of botany

authors： Wu ML,Lin TP,Lin MY,Cheng YP,Hwang SY

更新日期：2007-03-01 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:Tea (Camellia sinensis) is considered to be acid tolerant and prefers ammonium nutrition, but the interaction between root zone acidity and N form is not properly understood. The present study was performed to characterize their interaction with respect to growth and mineral nutrition. METHODS:Tea ...

journal_title：Annals of botany

authors： Ruan J,Gerendás J,Härdter R,Sattelmacher B

更新日期：2007-02-01 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

abstract：BACKGROUND AND AIMS:In angiosperms xyloglucan endotransglucosylase (XET)/hydrolase (XTH) is involved in reorganization of the cell wall during growth and development. The location of oligo-xyloglucan transglucosylation activity and the presence of XTH expressed sequence tags (ESTs) in the earliest diverging extant plan...

journal_title：Annals of botany

authors： Van Sandt VS,Stieperaere H,Guisez Y,Verbelen JP,Vissenberg K

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Rhinanthus minor is a root hemiparasitic plant that attacks a wide range of host species which are severely damaged by the parasite. Rhinanthus minor also attempts unsuccessfully to form connections to a range of non-hosts which in contrast are not damaged by the parasite; however, the underlying ph...

journal_title：Annals of botany

authors： Cameron DD,Coats AM,Seel WE

更新日期：2006-12-01 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：UNLABELLED:BACKGROUND AND AIMS Habitats in mountains are often isolated. Plants growing in these sites face severe dispersal limitations, but also difficulties for recruitment. The focus was laid on the magnitude of genetic differences among populations but also on the size of potentially occurring clones. METHODS:RAP...

journal_title：Annals of botany

authors： Wesche K,Hensen I,Undrakh R

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND:The reconstruction of biological processes and human activities during the last glacial cycle relies mainly on data from biological remains. Highly abundant tissues, such as wood, are candidates for a genetic analysis of past populations. While well-authenticated DNA has now been recovered from various fossi...

journal_title：Annals of botany

authors： Liepelt S,Sperisen C,Deguilloux MF,Petit RJ,Kissling R,Spencer M,de Beaulieu JL,Taberlet P,Gielly L,Ziegenhagen B

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND AND AIMS:Dynamic management (DM) of genetic resources aims at maintaining genetic variability between different populations evolving under natural selection in contrasting environments. In 1984, this strategy was applied in a pilot experiment on wheat (Triticum aestivum). Spatio-temporal evolution of earline...

journal_title：Annals of botany

authors： Goldringer I,Prouin C,Rousset M,Galic N,Bonnin I

更新日期：2006-10-01 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

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：BACKGROUND AND AIMS:Heterodichogamy differs from normal dichogamy, in that it involves two mating types (protogyny and protandry) that occur at a 1 : 1 ratio in a population. Flowering phases of the two mating types are synchronized and reciprocal, which was considered to ensure between-type outcrossing. This study aim...

journal_title：Annals of botany

authors： Bai WN,Zeng YF,Liao WJ,Zhang DY

更新日期：2006-08-01 00:00:00

abstract：BACKGROUND AND AIMS:Size-asymmetric competition occurs when larger plants have a disproportionate advantage in competition with smaller plants. It has been hypothesized that nutrient heterogeneity may promote it. Experiments testing this hypothesis are inconclusive, and in most cases have evaluated the effects of nutri...

journal_title：Annals of botany

authors： Maestre FT,Reynolds JF

更新日期：2006-07-01 00:00:00

abstract：BACKGROUND AND AIMS:A phalanx growth form enables clonal plants to make better use of resource-rich patches, whereas a guerrilla growth form provides them with opportunities to escape from resource-poor sites. Leymus secalinus produces both spreading (guerrilla form) and clumping ramets (phalanx form). Here, the hypoth...

journal_title：Annals of botany

authors： Ye XH,Yu FH,Dong M

更新日期：2006-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Plant cyanogenesis is the release of toxic cyanide from endogenous cyanide-containing compounds, typically cyanogenic glycosides. Despite a large body of phytochemical, taxonomic and ecological work on cyanogenic species, little is known of their frequency in natural plant communities. This study ai...

journal_title：Annals of botany

authors： Miller RE,Jensen R,Woodrow IE

更新日期：2006-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Previous studies on grass leaf tensile properties (behaviour during mechanical stress) have focused on agricultural applications such as resistance to trampling and palatability; no investigations have directly addressed mechanical properties during water stress, and hence these are the subject of t...

journal_title：Annals of botany

authors： Balsamo RA,Willigen CV,Bauer AM,Farrant J

更新日期：2006-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Induction of dehydration tolerance is a key to achieving high survival rates in cryopreservation of plant specimens. It has been reported previously that two-step preculturing with sucrose effectively increased desiccation tolerance in axillary buds of gentian (Gentiana scabra), which allow the buds...

journal_title：Annals of botany

authors： Suzuki M,Ishikawa M,Okuda H,Noda K,Kishimoto T,Nakamura T,Ogiwara I,Shimura I,Akihama T

更新日期：2006-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Although numerous angraecoid orchids in Madagascar display typical sphingophilous syndrome (i.e. white, nectariferous, long-spurred flowers, producing a strong scent at the crepuscule that is attractive to moths), three species of Angraecum in Reunion, belonging to the endemic section Hadrangis, hav...

journal_title：Annals of botany

authors： Micheneau C,Fournel J,Pailler T

更新日期：2006-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Global warming is gaining significance as a threat to natural and managed ecosystems since temperature is one of the major environmental factors affecting plant productivity. Hence, the effects of moderate temperature increase on the growth and development of the tomato plant (Lycopersicon esculentu...

journal_title：Annals of botany

authors： Sato S,Kamiyama M,Iwata T,Makita N,Furukawa H,Ikeda H

更新日期：2006-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Pea (Pisum sativum) primary roots form long vascular cavities when grown under wet or flooded conditions at 25 degrees C. It is thought that the cavities are a form of aerenchyma. At 25 degrees C short roots continue to grow after flooding. After roots reach 10 cm long flooding causes rapid cessatio...

journal_title：Annals of botany

authors： Gladish DK,Xu J,Niki T

更新日期：2006-05-01 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:Roots growing in soil encounter physical, chemical and biological environments that influence their rhizospheres and affect plant growth. Exudates from roots can stimulate or inhibit soil organisms that may release nutrients, infect the root, or modify plant growth via signals. These rhizosphere processes ar...

journal_title：Annals of botany

authors： Watt M,Silk WK,Passioura JB

更新日期：2006-05-01 00:00:00

abstract：BACKGROUND:Effects of cooling rates on bud frost hardiness have been studied but there is little information on bud responses to thawing. Since the cell wall pore size has been found to increase with boron (B) deficiency, B deficiency may affect the supercooling ability of buds in winter. METHODS:The effects of durati...

journal_title：Annals of botany

authors： Räisänen M,Repo T,Lehto T

更新日期：2006-04-01 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:The gorgeous frescoes organized by the master Renaissance painter Raphael Sanzio (1483-1520) and illustrating the heavenly adventures of Cupid and Psyche were painted between 1515 and 1518 to decorate the Roman villa (now known as the Villa Farnesina) of the wealthy Sienese banker Agostino Chigi (1466-1520)....

journal_title：Annals of botany

authors： Janick J,Paris HS

更新日期：2006-02-01 00:00:00

abstract：BACKGROUND AND AIMS:The interspecific allometry of maximum plant height (Hmax) with respect to maximum basal stem diameter (Dmax) has been studied for leptocaulis dicot and conifer tree species. In contrast, virtually nothing is known about the interspecific allometry of pachycaulis species. Here, the interspecific all...

journal_title：Annals of botany

authors： Niklas KJ,Cobb ED,Marler T

更新日期：2006-01-01 00:00:00

abstract：AIMS:The objective of the study was to characterize variations in proline, arginine, histidine, vegetative storage proteins, and cold-inducible gene expression in overwintering roots of field-grown alfalfa, in response to autumn defoliation, and in relation to spring regrowth and winter survival. METHODS:Field trials,...

journal_title：Annals of botany

authors： Dhont C,Castonguay Y,Nadeau P,Bélanger G,Drapeau R,Laberge S,Avice JC,Chalifour FP

更新日期：2006-01-01 00:00:00

abstract：BACKGROUND AND AIMS:The generic delimitations of Ficinia and Isolepis, sister genera in the Cypereae, are blurred. Typical Ficinia flowers have a lobed gynophore, which envelops the base of the nutlet, whereas in Isolepis the character is considered to be absent. Some former species of Isolepis, lacking the gynophore, ...

journal_title：Annals of botany

authors： Vrijdaghs A,Goetghebeur P,Muasya AM,Caris P,Smets E

更新日期：2005-12-01 00:00:00

abstract：BACKGROUND AND AIMS:The leaf anatomy and ultrastructure of Deschampsia antarctica (Poaceae) plants growing in three different habitats (a dry site in the Antarctic tundra, a wet site in a zone exposed to sea spray and a greenhouse) were investigated. The ultrastructure of the leaves of D. antarctica has not been studie...

journal_title：Annals of botany

authors： Gielwanowska I,Szczuka E,Bednara J,Górecki R

更新日期：2005-11-01 00:00:00

abstract：BACKGROUND:and Aims Nassella trichotoma is an unpalatable perennial grass weed that invades disturbed native grasslands in temperate regions of south-eastern Australia. This experiment investigated whether elevated N levels, often associated with disturbance, increases the competitiveness of N. trichotoma relative to C...

journal_title：Annals of botany

authors： Badgery WB,Kemp DR,Michalk DL,King WM

更新日期：2005-10-01 00:00:00