Novel thigmomorphogenetic responses in Carica papaya: touch decreases anthocyanin levels and stimulates petiole cork outgrowths.

abstract：BACKGROUND AND AIMS:The optimal period for seedling emergence depends on factors such as habitat preference, life cycle and geographical distribution. This research was performed to clarify the role of temperature in regulating processes leading to seedling emergence of the European continental Scilla bifolia and the A...

journal_title：Annals of botany

authors： Vandelook F,Van Assche JA

更新日期：2008-11-01 00:00:00

abstract：BACKGROUND AND AIMS:The family Balsaminaceae is essentially herbaceous, except for some woodier species that can be described as 'woody' herbs or small shrubs. The family is nested within the so-called balsaminoid clade of Ericales, including the exclusively woody families Tetrameristaceae and Marcgraviaceae, which is ...

journal_title：Annals of botany

authors： Lens F,Eeckhout S,Zwartjes R,Smets E,Janssens SB

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND AND AIMS:Cucumber (Cucumis sativus) seedlings develop a peg on the concave side of the gravitropically bending transition zone between the hypocotyl and the root after seed germination. Peg initiation occurs in response to auxin when its levels in the concave side of the transition zone exceed a particular t...

journal_title：Annals of botany

authors： Saito Y,Yamasaki S,Fujii N,Takahashi H

更新日期：2005-02-01 00:00:00

abstract：AIMS:This Botanical Briefing reviews how the integration of palaeontology, geochemistry and developmental biology is providing a new mechanistic framework for interpreting the 40- to 50-million-year gap between the origination of vascular land plants and the advent of large (megaphyll) leaves, a long-standing puzzle in...

journal_title：Annals of botany

authors： Beerling DJ

更新日期：2005-09-01 00:00:00

abstract：Background and Aims:Predicting both plant water status and leaf gas exchange under various environmental conditions is essential for anticipating the effects of climate change on plant growth and productivity. This study developed a functional-structural grapevine model which combines a mechanistic understanding of sto...

journal_title：Annals of botany

authors： Zhu J,Dai Z,Vivin P,Gambetta GA,Henke M,Peccoux A,Ollat N,Delrot S

更新日期：2018-04-18 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:The diploid cytotype of Paspalum rufum (Poaceae) reproduces sexually and is self-sterile; however, recurrent autopolyploidization through 2n + n fertilization and the ability for reproduction via apomixis have been documented in one genotype of the species. The objectives of this work were to analys...

journal_title：Annals of botany

authors： Delgado L,Galdeano F,Sartor ME,Quarin CL,Espinoza F,Ortiz JP

更新日期：2014-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Selection may favour a partial or complete loss of self-incompatibility (SI) if it increases the reproductive output of individuals in the presence of low mate availability. The reproductive output of individuals varying in their strength of SI may also be affected by population density via its affe...

journal_title：Annals of botany

authors： Ferrer MM,Good-Avila SV,Montaña C,Domínguez CA,Eguiarte LE

更新日期：2009-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Plants need different survival strategies in habitats differing in hydrological regimes. This probably has consequences for vegetation development when former floodplain areas that are currently confronted with soil flooding only, will be reconnected to the highly dynamical river bed. Such changes i...

journal_title：Annals of botany

authors： Banach K,Banach AM,Lamers LP,De Kroon H,Bennicelli RP,Smits AJ,Visser EJ

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Global climate models predict decreases in leaf stomatal conductance and transpiration due to increases in atmospheric CO2. The consequences of these reductions are increases in soil moisture availability and continental scale run-off at decadal time-scales. Thus, a theory explaining the differentia...

journal_title：Annals of botany

authors： Katul G,Manzoni S,Palmroth S,Oren R

更新日期：2010-03-01 00:00:00

abstract：BACKGROUND AND AIMS:A meta-analysis of global change experiments in arctic tundra sites suggests that plant productivity and the cover of shrubs, grasses and dead plant material (i.e. litter) will increase and the cover of bryophytes will decrease in response to higher air temperatures. However, little is known about w...

journal_title：Annals of botany

authors： Eckstein RL,Pereira E,Milbau A,Graae BJ

更新日期：2011-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Intraspecific variation in flooding tolerance is the basic pre-condition for adaptive flooding tolerance to evolve, and flooding-induced shoot elongation is an important trait that enables plants to survive shallow, prolonged flooding. Here an investigation was conducted to determine to what extent ...

journal_title：Annals of botany

authors： Chen X,Huber H,de Kroon H,Peeters AJ,Poorter H,Voesenek LA,Visser EJ

更新日期：2009-11-01 00:00:00

abstract：:This section comprises a set of papers taken from those presented at a symposium held to commemorate the 50th anniversary of the Monsi-Saeki theory (1953), together with invited papers. The papers describe recent advances in the study of structure and function of plant canopies and are written by former students (and ...

journal_title：Annals of botany

authors： Hirose T,Terashima I

更新日期：2005-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Spring ephemerals have a specific life-history trait, i.e. shoot growth and sexual reproduction occur simultaneously during a short period from snowmelt to canopy closure in deciduous forests. The aim of this study is to clarify how spring ephemerals invest resources for seed production within a res...

journal_title：Annals of botany

authors： Horibata S,Hasegawa SF,Kudo G

更新日期：2007-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Organisms occupying the edges of natural geographical ranges usually survive at the extreme limits of their innate physiological tolerances. Extreme and prolonged fluctuations in environmental conditions, often associated with climate change and exacerbated at species' geographical range edges, are ...

journal_title：Annals of botany

authors： Sinclair EA,Statton J,Hovey R,Anthony JM,Dixon KW,Kendrick GA

更新日期：2016-02-01 00:00:00

abstract：BACKGROUND:Robustness to genetic and environmental perturbation is a salient feature of multicellular organisms. Loss of developmental robustness can lead to severe phenotypic defects and fitness loss. However, perfect robustness, i.e. no variation at all, is evolutionarily unfit as organisms must be able to change phe...

journal_title：Annals of botany

authors： Lachowiec J,Queitsch C,Kliebenstein DJ

更新日期：2016-04-01 00:00:00

abstract：BACKGROUND AND METHODS:Polyploidy results in genetic turmoil, much of which is associated with new phenotypes that result in speciation. Five independent lines of synthetic allotetraploid N. x obtusiata (N x o) were created from crosses between the diploid N. attenuata (Na) (male) and N. obtusifolia (No) (female) and t...

journal_title：Annals of botany

authors： Anssour S,Krügel T,Sharbel TF,Saluz HP,Bonaventure G,Baldwin IT

更新日期：2009-06-01 00:00:00

abstract：BACKGROUNDS AND AIMS:Twenty-five genera having sterile inflorescence branches were recognized as the bristle clade within the x = 9 Paniceae (Panicoideae). Within the bristle clade, taxonomic circumscription of Cenchrus (20-25 species), Pennisetum (80-140) and the monotypic Odontelytrum is still unclear. Several criter...

journal_title：Annals of botany

authors： Chemisquy MA,Giussani LM,Scataglini MA,Kellogg EA,Morrone O

更新日期：2010-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Oat (Avena sativa) has human health benefits when consumed as a whole-grain food, attributed to the high content of (1,3;1,4)-β-d-glucan (mixed-linkage glucan [MLG]), but little is known about the synthase genes and synthesis mechanism of MLG polysaccharides in this species. METHODS:The concentrati...

journal_title：Annals of botany

authors： Zhang J,Yan L,Liu M,Guo G,Wu B

更新日期：2020-10-22 00:00:00

abstract：BACKGROUND AND AIMS:Cress-seed (Lepidium sativum) exudate exerts an allelochemical effect, promoting excessive hypocotyl elongation and inhibiting root growth in neighbouring Amaranthus caudatus seedlings. We investigated acidic disaccharides present in cress-seed exudate, testing the proposal that the allelochemical i...

journal_title：Annals of botany

authors： Iqbal A,Miller JG,Murray L,Sadler IH,Fry SC

更新日期：2016-04-01 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：BACKGROUND AND AIMS:Nitric oxide (NO) has been demonstrated to stimulate the activity of nitrate reductase (NR) in plant roots supplied with a low level of nitrate, and to affect proteins differently, depending on the ratio of NO to the level of protein. Nitrate has been suggested to regulate the level of NO in plants....

journal_title：Annals of botany

authors： Jin CW,Du ST,Zhang YS,Lin XY,Tang CX

更新日期：2009-07-01 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 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: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:The number of flowers blooming simultaneously on a plant may have profound consequences for reproductive success. Large floral displays often attract more pollinator visits, increasing outcross pollen receipt. However, pollinators frequently probe more flowers in sequence on large displays, potentia...

journal_title：Annals of botany

authors： Karron JD,Mitchell RJ

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Plants are expected to maximize their net photosynthetic gains and efficiently use available resources, but the fundamental principles governing trade-offs in suites of traits related to resource-use optimization remain uncertain. This study investigated whether Acer saccharum (sugar maple) saplings...

journal_title：Annals of botany

authors： Posada JM,Sievänen R,Messier C,Perttunen J,Nikinmaa E,Lechowicz MJ

更新日期：2012-08-01 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:Cypripedium flavum is a rare, endemic alpine slipper orchid of China, which is under threat from excessive collection and habitat changes. Conservation and re-introduction of C. flavum is restricted by lack of knowledge of the plant's photosynthesis and how that affects reproductive success. The hyp...

journal_title：Annals of botany

authors： Zhang S,Hu H,Zhou Z,Xu K,Yan N,Li S

更新日期：2005-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Phenolic compounds contribute to food quality and have potential health benefits. Consequently, they are an important target of selection for Citrus species. Numerous studies on this subject have revealed new molecules, potential biosynthetic pathways and linkage between species. Although polyphenol...

journal_title：Annals of botany

authors： Durand-Hulak M,Dugrand A,Duval T,Bidel LP,Jay-Allemand C,Froelicher Y,Bourgaud F,Fanciullino AL

更新日期：2015-04-01 00:00:00