Presence of triploids among oak species.

abstract：:Background and Aims The Arabidopsis thaliana root is a key experimental system in developmental biology. Despite its importance, we are still lacking an objective and broadly applicable approach for identification of number and position of developmental domains or zones along the longitudinal axis of the root apex or ...

journal_title：Annals of botany

authors： Pacheco-Escobedo MA,Ivanov VB,Ransom-Rodríguez I,Arriaga-Mejía G,Ávila H,Baklanov IA,Pimentel A,Corkidi G,Doerner P,Dubrovsky JG,Álvarez-Buylla ER,Garay-Arroyo A

更新日期：2016-10-01 00:00:00

abstract：BACKGROUND AND AIMS:Seeds of Grevillea linearifolia germinate following fire, and have seed-coat dormancy broken by smoke and heat shock. Smoke breaks seed coat dormancy in Emmenanthe penduliflora by altering the permeability of the seed coat to an internal germination inhibitor, which subsequently escapes. This model ...

journal_title：Annals of botany

authors： Briggs CL,Morris EC

更新日期：2008-04-01 00:00:00

abstract：BACKGROUND AND AIMS:Bromus tectorum (cheatgrass or downy brome) is an exotic annual grass that is dominant over large areas of former shrubland in western North America. To flower in time for seed production in early summer, B. tectorum plants generally require vernalization at winter temperatures, either as imbibed se...

journal_title：Annals of botany

authors： Meyer SE,Nelson DL,Carlson SL

更新日期：2004-06-01 00:00:00

abstract：BACKGROUND AND AIMS:The oomycete Aphanomyces euteiches causes up to 80 % crop loss in pea (Pisum sativum). Aphanomyces euteiches invades the root system leading to a complete arrest of root growth and ultimately to plant death. To date, disease control measures are limited to crop rotation and no resistant pea lines ar...

journal_title：Annals of botany

authors： Cannesan MA,Gangneux C,Lanoue A,Giron D,Laval K,Hawes M,Driouich A,Vicré-Gibouin M

更新日期：2011-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Models assessing the prospects of plant species at the landscape level often focus primarily on the relationship between species dynamics and landscape structure. However, the short-term prospects of species with slow responses to landscape changes depend on the factors affecting local population dy...

journal_title：Annals of botany

authors： Hemrová L,Cervenková Z,Münzbergová Z

更新日期：2012-11-01 00:00:00

abstract：Background:Recent application of molecular-based technologies has considerably advanced our understanding of complex processes in plant-pathogen interactions and their key components such as PAMPs, PRRs, effectors and R-genes. To develop novel control strategies for disease prevention in citrus, it is essential to expa...

journal_title：Annals of botany

authors： Dalio RJD,Magalhães DM,Rodrigues CM,Arena GD,Oliveira TS,Souza-Neto RR,Picchi SC,Martins PMM,Santos PJC,Maximo HJ,Pacheco IS,De Souza AA,Machado MA

更新日期：2017-03-01 00:00:00

abstract：Background:A brief review is given of Peter W. Barlows' contributions to research on gravity tide-related phenomena in plant biology, or 'selenonastic' effects as he called them, including his early research on root growth. Also, new results are presented here from long-term recordings of spontaneous ultra-weak light e...

journal_title：Annals of botany

authors： Gallep CM,Viana JF,Cifra M,Clarke D,Robert D

更新日期：2018-11-03 00:00:00

abstract：BACKGROUND AND AIMS:Mating system is a primary determinant of the ecological and evolutionary dynamics of wild plant populations. Pollen limitation and loss of self-incompatibility genotypes can both act independently to reduce seed set and these effects are commonly observed in fragmented landscapes. This study used a...

journal_title：Annals of botany

authors： Young AG,Broadhurst LM,Thrall PH

更新日期：2012-02-01 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:Flavonoids have the potential to serve as antioxidants in addition to their function of UV screening in photoprotective mechanisms. However, flavonoids have long been reported to accumulate mostly in epidermal cells and surface organs in response to high sunlight. Therefore, how leaf flavonoids actu...

journal_title：Annals of botany

authors： Agati G,Stefano G,Biricolti S,Tattini M

更新日期：2009-10-01 00:00:00

abstract：BACKGROUND AND AIMS:A reliable protocol for flowering and fruiting in cuttings was developed with the aim of (a) studying inflorescence and flower development in grapevine cuttings and field plants, and (b) assisting haploid plant production. METHODS:Inflorescence and flower development was studied in 'Gewurztraminer'...

journal_title：Annals of botany

authors： Lebon G,Duchêne E,Brun O,Clément C

更新日期：2005-05-01 00:00:00

abstract：BACKGROUND AND AIMS:The sedge genus Carex, the most diversified angiosperm genus of the northern temperate zone, is renowned for its holocentric chromosomes and karyotype variability. The genus exhibits high variation in chromosome numbers both among and within species. Despite the possibility that this chromosome evol...

journal_title：Annals of botany

authors： Escudero M,Weber JA,Hipp AL

更新日期：2013-08-01 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：Background:Linear relationships are commonly observed between shoot magnesium ([Mg]shoot) and shoot calcium ([Ca]shoot) concentrations among angiosperm species growing in the same environment. Scope and Conclusions:This article argues that, in plants that do not exhibit 'luxury' accumulation of Mg or Ca, (1) distinct ...

journal_title：Annals of botany

authors： White PJ,Broadley MR,El-Serehy HA,George TS,Neugebauer K

更新日期：2018-08-01 00:00:00

abstract：BACKGROUND:Grasslands are a major part of the global ecosystem, covering 37 % of the earth's terrestrial area. For a variety of reasons, mostly related to overgrazing and the resulting problems of soil erosion and weed encroachment, many of the world's natural grasslands are in poor condition and showing signs of degra...

journal_title：Annals of botany

authors： O'Mara FP

更新日期：2012-11-01 00:00:00

abstract：BACKGROUND:Salt stress has become a major threat to plant growth and productivity. Arbuscular mycorrhizal fungi colonize plant root systems and modulate plant growth in various ways. SCOPE:This review addresses the significance of arbuscular mycorrhiza in alleviation of salt stress and their beneficial effects on plan...

journal_title：Annals of botany

authors： Evelin H,Kapoor R,Giri B

更新日期：2009-12-01 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:Bristol rock cress is among the few plant species in the British Isles considered to have a Mediterranean-montane element. Spatiotemporal patterns of colonization of the British Isles since the last interglacial and after the Last Glacial Maximum (LGM) from mainland Europe are underexplored and have...

journal_title：Annals of botany

authors： Koch MA,Möbus J,Klöcker CA,Lippert S,Ruppert L,Kiefer C

更新日期：2020-06-19 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 AND AIMS:Mixed reproductive strategies may have evolved as a response of plants to cope with environmental variation. One example of a mixed reproductive strategy is dimorphic cleistogamy, where a single plant produces closed, obligately self-pollinated (CL) flowers and open, potentially outcrossed (CH) flow...

journal_title：Annals of botany

authors： Munguía-Rosas MA,Parra-Tabla V,Ollerton J,Cervera JC

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND AND AIMS:In microdensitometry and flow cytometry, estimation of nuclear DNA content in a sample requires a standard with a known nuclear DNA content. It is assumed that dye accessibility to DNA is the same in the sample and standard nuclei. Stoichiometric error arises when dye accessibility is not proportion...

journal_title：Annals of botany

authors： Noirot M,Barre P,Duperray C,Hamon S,DE Kochko A

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND:The study of soil biota in the context of exotic plant invasions has led to an explosion in our understanding of the ecological roles of many different groups of microbes that function in roots or at the root-soil interface. Part of this progress has been the emergence of two biogeographic patterns involving...

journal_title：Annals of botany

authors： Rout ME,Callaway RM

更新日期：2012-07-01 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：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: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

abstract：:Adventitious root development in lamina and midrib-petiole junction expiants of sugar beet cv. Primo was investigated using scanning electron microscopy and light microscopy. Primordia developed close to the vascular strands and areas of newly dividing cells (meristematic centres) were seen adjacent to the intrafascic...

journal_title：Annals of botany

authors： Gürel E,Wren MJ

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND:Opal phytoliths (microscopic silica bodies produced in and between the cells of many plants) are a very resilient, often preserved type of plant microfossil. With the exponentially growing number of phytolith studies, standardization of phytolith morphotype names and description is essential. As a first effo...

journal_title：Annals of botany

authors： International Committee for Phytolith Taxonomy (ICPT).

更新日期：2019-09-24 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 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：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