Ethylene modulates root cortical senescence in barley.

abstract：:Different gravity environments have been shown to significantly affect leaf-plantlet formation and asexual reproduction in Kalanchoë daigremontiana Ham. and Perr. In the present work, we investigated the effect of gravity at tissue and cell levels. Leaves and leaf-plantlets were cultured for different periods of time ...

journal_title：Annals of botany

authors： Pedroso MC,Durzan DJ

更新日期：2000-11-01 00:00:00

abstract：BACKGROUND:Most angiosperms present flowers in inflorescences, which play roles in reproduction, primarily related to pollination, beyond those served by individual flowers alone. An inflorescence's overall reproductive contribution depends primarily on the three-dimensional arrangement of the floral canopy and its dyn...

journal_title：Annals of botany

authors： Harder LD,Prusinkiewicz P

更新日期：2013-11-01 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:The genus Olea (Oleaceae) includes approx. 40 taxa of evergreen shrubs and trees classified in three subgenera, Olea, Paniculatae and Tetrapilus, the first of which has two sections (Olea and Ligustroides). Olive trees (the O. europaea complex) have been the subject of intensive research, whereas li...

journal_title：Annals of botany

authors： Besnard G,Rubio de Casas R,Christin PA,Vargas P

更新日期：2009-07-01 00:00:00

abstract：:Experiments were carried out at IGER, Aberystwyth, UK to investigate traits of direct relevance to the processes of overwintering and spring growth in white clover (Trifolium repens L.). The plant material used was derived from baseline populations of the cultivar AberHerald and survivor populations generated after 2-...

journal_title：Annals of botany

authors： Collins RP,Helgadóttir A,Fothergill M,Rhodes I

更新日期：2002-03-01 00:00:00

abstract：Backgrounds and Aims:Gain or loss of floral nectar, an innovation in floral traits, has occurred in diverse lineages of flowering plants, but the causes of reverse transitions (gain of nectar) remain unclear. Phylogenetic studies show multiple gains and losses of floral nectar in the species-rich genus Pedicularis. Her...

journal_title：Annals of botany

authors： Tong ZY,Wang XP,Wu LY,Huang SQ

更新日期：2019-01-23 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: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:Epipogium aphyllum is a Eurasian achlorophyllous, mycoheterotrophic forest orchid. Due to its rarity, it is often protected, and its biology is poorly known. The identity and pattern of colonization of fungal associates providing carbon to this orchid have not been studied previously. METHODS:Using...

journal_title：Annals of botany

authors： Roy M,Yagame T,Yamato M,Iwase K,Heinz C,Faccio A,Bonfante P,Selosse MA

更新日期：2009-08-01 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: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:The maize lrt1 (lateral rootless1) mutant is impaired in its development of lateral roots during early post-embryonic development. The aim of this study was to characterize, in detail, the influences that the mutation exerts on lateral root initiation and the subsequent developments, as well as to d...

journal_title：Annals of botany

authors： Husakova E,Hochholdinger F,Soukup A

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND AND AIMS:The role of flower specialization in plant speciation and evolution remains controversial. In this study the evolution of flower traits restricting access to pollinators was analysed in the bifid toadflaxes (Linaria sect. Versicolores), a monophyletic group of ~30 species and subspecies with highly ...

journal_title：Annals of botany

authors： Fernández-Mazuecos M,Blanco-Pastor JL,Gómez JM,Vargas P

更新日期：2013-12-01 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：:A procedure is described for obtaining allometric regression equations to estimate non-destructively and in a cost-effective manner the current year's above-ground vegetative and reproductive biomass of Vitis vinifera L. Merlot' throughout the growing season. Significant relationships were obtained over a 3-year perio...

journal_title：Annals of botany

authors： Castelan-Estrada M,Vivin P,Gaudillère JP

更新日期：2002-04-01 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:Pollinator specificity facilitates reproductive isolation among plants, and mechanisms that generate specificity influence species boundaries. Long-range volatile attractants, in combination with morphological co-adaptations, are generally regarded as being responsible for maintaining extreme host s...

journal_title：Annals of botany

authors： Wang G,Compton SG,Chen J

更新日期：2013-02-01 00:00:00

abstract：BACKGROUND AND AIMS:The ω-gliadin storage proteins of wheat are of interest in relation to their impact on grain processing properties and their role in food allergy, particularly the ω-5 sub-group and wheat-dependent exercise-induced anaphylaxis. The ω-gliadins are also known to be responsive to nitrogen application. ...

journal_title：Annals of botany

authors： Wan Y,Gritsch CS,Hawkesford MJ,Shewry PR

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND AND AIMS:A reduction in offspring fitness resulting from mating between neighbours is interpreted as biparental inbreeding depression. However, little is known about the relationship between the parents' genetic relatedness and biparental inbreeding depression in their progeny in natural populations. This st...

journal_title：Annals of botany

authors： Hirao AS

更新日期：2010-04-01 00:00:00

abstract：BACKGROUND AND AIMS:Genome size (DNA C-value) data are key biodiversity characters of fundamental significance used in a wide variety of biological fields. Since 1976, Bennett and colleagues have made scattered published and unpublished genome size data more widely accessible by assembling them into user-friendly compi...

journal_title：Annals of botany

authors： Zonneveld BJ,Leitch IJ,Bennett MD

更新日期：2005-08-01 00:00:00

abstract：:Wheat plants (Triticum aestivum L. 'Lyallpur'), limited to a single culm, were grown at day/night temperatures of either 18/13 degrees C (moderate temperature), or 27/22 degrees C (chronic high temperature) from the time of anthesis. Plants were either non-droughted or subjected to two post-anthesis water stresses by ...

journal_title：Annals of botany

authors： Wardlaw IF

更新日期：2002-10-01 00:00:00

abstract：BACKGROUND AND AIMS:Plants with crassulacean acid metabolism (CAM) can be divided into two groups according to the major carbohydrates used for malic acid synthesis, either polysaccharide (starch) or monosaccharide (hexose). This is related to the mechanism and affects energy metabolism in the two groups. In Kalanchoë ...

journal_title：Annals of botany

authors： Chen LS,Nose A

更新日期：2004-09-01 00:00:00

abstract：:Trimenia moorei (Oliv.) Philipson is an andromonoecious liane with >0.40 of the total flower buds maturing as bisexual flowers. Male and bisexual flowers are strongly scented with pollen, anther sacs and receptacle scars testing positively for volatile emissions. Scent analyses detect over 20 components. The major fat...

journal_title：Annals of botany

authors： Bernhardt P,Sage T,Weston P,Azuma H,Lam M,Thien LB,Bruhl J

更新日期：2003-09-01 00:00:00

abstract：Background and Aims:Enzymes belonging to the RNase T2 family are essential for normal rRNA turnover in eukaryotes. In Arabidopsis thaliana, this function is performed by RNS2. The null mutant rns2-2 has increased rRNA half-life and constitutive autophagy. The aim of this work was to determine the molecular changes that...

journal_title：Annals of botany

authors： Morriss SC,Liu X,Floyd BE,Bassham DC,MacIntosh GC

更新日期：2017-11-28 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:An unusual form of pollen tube growth was observed for several Conospermum species (family Proteaceae). The rate of pollen tube growth, the number of tubes to emerge and the ultrastructure of these tubes are given here. METHODS:Pollen was germinated in vitro in different sucrose concentrations and ...

journal_title：Annals of botany

authors： Stone LM,Seaton KA,Kuo J,McComb JA

更新日期：2004-04-01 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 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:Changes in key traits occurring during the processes of plant domestication have long been subjects of debate. Only in the case of genetic analysis or with extensive plant remains can specific sets of changes be documented. Historical details of the plant domestication processes are rare and other e...

journal_title：Annals of botany

authors： Wang JX,Gao TG,Knapp S

更新日期：2008-12-01 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