abstract：BACKGROUND AND AIMS:Spring geophytes require a period of low temperature for proper flower development but the mechanism that underlies the relationship between cold treatment and flowering remains unknown. The present study aims to compare the developmental anatomy and carbohydrate content of the tuberous geophyte Cor...

journal_title：Annals of botany

authors： Khodorova NV,Miroslavov EA,Shavarda AL,Laberche JC,Boitel-Conti M

更新日期：2010-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Mimetic seeds simulate the appearance of fleshy fruits and arilled seeds without producing nutritive tissues as a reward for seed dispersers. In this strategy of seed dispersal, seeds may remain attached to the mother plant for long periods after maturity, increasing their availability to naïve seed...

journal_title：Annals of botany

authors： Brancalion PH,Novembre AD,Rodrigues RR,Marcos Filho J

更新日期：2010-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Despite extensive study of polyploidy, its origin, and ecogeographical differences between polyploids and their diploid progenitors, few studies have addressed ploidy-level structure and patterns of ecogeographical differentiation at various spatial scales using detailed sampling procedures. The pat...

journal_title：Annals of botany

authors： Duchoslav M,Safárová L,Krahulec F

更新日期：2010-05-01 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 SCOPE:Models of nectar formation and exudation in multilayered nectaries with modified stomata or permeable cuticle are evaluated. In the current symplasmic model the pre-nectar moves from terminal phloem through the symplasm into the apoplasm (cell walls and intercellular spaces) with nectar formation b...

journal_title：Annals of botany

authors： Vassilyev AE

更新日期：2010-03-01 00:00:00

abstract：BACKGROUND AND AIMS:Alterations of plasmodesma (PD) connectivity are likely to be very important for plant development. Here, the repetitive division pattern of cambial initials in Populus nigra 'italica' was studied to follow the development of the PD network during maturation. Furthermore, seasonal changes were inves...

journal_title：Annals of botany

authors： Fuchs M,van Bel AJ,Ehlers K

更新日期：2010-03-01 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:Recent studies of reproductive biology in ancient angiosperm lineages are beginning to shed light on the early evolution of flowering plants, but comparative studies are restricted by fragmented and meagre species representation in these angiosperm clades. In the present study, the progamic phase, f...

journal_title：Annals of botany

authors： Lora J,Hormaza JI,Herrero M

更新日期：2010-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Initial release height and settling speed of diaspores are biologically controlled components which are key to modelling wind dispersal. Most Sphagnum (peat moss) species have explosive spore liberation. In this study, how capsule and spore sizes affect the height to which spores are propelled were ...

journal_title：Annals of botany

authors： Sundberg S

更新日期：2010-02-01 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:Concomitant increases in O(2) and irradiance upon de-submergence can cause photoinhibition and photo-oxidative damage to the photosynthetic apparatus of plants. As energy and carbohydrate supply from photosynthesis is needed for growth, it was hypothesized that post-submergence growth recovery may r...

journal_title：Annals of botany

authors： Luo FL,Nagel KA,Zeng B,Schurr U,Matsubara S

更新日期：2009-12-01 00:00:00

abstract：BACKGROUND AND AIMS:Sexually deceptive orchids achieve cross-pollination by mimicking the mating signals of female insects, generally hymenopterans. This pollination mechanism is often highly specific as it is based primarily on the mimicry of mating signals, especially the female sex pheromones of the targeted pollina...

journal_title：Annals of botany

authors： Vereecken NJ,Schiestl FP

更新日期：2009-11-01 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：UNLABELLED:BACKGROUND AND AIMS; This study is an investigation into the floral development and anatomy of two genera of the small family Salvadoraceae, which belongs to the Brassicales in a clade with Batis and Koeberlinia. Salvadoraceae remains little known, despite its wide distribution in arid areas of the globe. Fl...

journal_title：Annals of botany

authors： Ronse De Craene L,Wanntorp L

更新日期：2009-10-01 00:00:00

abstract：BACKGROUND AND AIMS:Different populations of the Mediterranean xerohalophyte species Atriplex halimus exhibit different levels of resistance to salt and osmotic stress depending on the nature of the osmocompatible solute they accumulate. There is, however, no conclusive description of the involvement of abscisic acid (...

journal_title：Annals of botany

authors： Ben Hassine A,Ghanem ME,Bouzid S,Lutts S

更新日期：2009-10-01 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 phenotypic selection of a diverse insect assemblage was studied on a generalist plant species (Paeonia broteroi) in ten flowering seasons, with tests for whether visitor preferences for plants with larger flowers eventually translated into significant differences among plants in visitation rates...

journal_title：Annals of botany

authors： Sánchez-Lafuente AM,Parra R

更新日期：2009-09-01 00:00:00

abstract：BACKGROUND:In this review we report on recent literature concerned with studies of gynodioecy, or the co-occurrence of female and hermaphrodite individuals in natural plant populations. Rather than review this literature in its entirety, our focus is on the interplay between theoretical and empirical approaches to the ...

journal_title：Annals of botany

authors： McCauley DE,Bailey MF

更新日期：2009-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Molybdenum (Mo) is an essential trace element for higher plants. It has been shown that application of Mo enhances the cold resistance of winter wheat. In order to improve our understanding of the molecular mechanisms of cold resistance arising from application of Mo in winter wheat, investigations ...

journal_title：Annals of botany

authors： Sun X,Hu C,Tan Q,Liu J,Liu H

更新日期：2009-08-01 00:00:00

abstract：BACKGROUND:The amount of DNA comprising the genome of an organism (its genome size) varies a remarkable 40 000-fold across eukaryotes, yet most groups are characterized by much narrower ranges (e.g. 14-fold in gymnosperms, 3- to 4-fold in mammals). Angiosperms stand out as one of the most variable groups with genome si...

journal_title：Annals of botany

authors： Leitch IJ,Kahandawala I,Suda J,Hanson L,Ingrouille MJ,Chase MW,Fay MF

更新日期：2009-08-01 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:The Marantaceae (550 spp.) is the most derived family in the order Zingiberales and exhibits a complex explosive pollination mechanism. To understand the evolutionary significance of this unique process of pollen transfer, comparative morphological and ecological studies were conducted in Gabon. ME...

journal_title：Annals of botany

authors： Ley AC,Classen-Bockhoff R

更新日期：2009-07-01 00:00:00

abstract：BACKGROUND AND AIMS:During the Mesozoic, the polar regions supported coniferous forests that experienced warm climates, a CO(2)-rich atmosphere and extreme seasonal variations in daylight. How the interaction between the last two factors might have influenced water use of these conifers was investigated. An experimenta...

journal_title：Annals of botany

authors： Llorens L,Osborne CP,Beerling DJ

更新日期：2009-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Apomictic plants maintain functional pollen, and via pollination the genetic factors controlling apomixis can be potentially transferred to congeneric sexual populations. In contrast, the sexual individuals do not fertilize apomictic plants which produce seeds without fertilization of the egg cells....

journal_title：Annals of botany

authors： Hörandl E,Temsch EM

更新日期：2009-07-01 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：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 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: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: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:While pollinators may in general select for large, morphologically uniform floral phenotypes, drought stress has been proposed as a destabilizing force that may favour small flowers and/or promote floral variation within species. METHODS:The general validity of this concept was checked by surveying...

journal_title：Annals of botany

authors： Herrera J

更新日期：2009-05-01 00:00:00

abstract：BACKGROUND AND AIMS:The thermoregulatory flower of the Asian sacred lotus (Nelumbo nucifera) can maintain a relatively stable temperature despite great variations in ambient temperature during anthesis. The thermoregulation has been hypothesized to offer a direct energy reward for pollinators in lotus flowers. This stu...

journal_title：Annals of botany

authors： Li JK,Huang SQ

更新日期：2009-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Because of its rapid growth rate, relative ease of transformation, sequenced genome and low gene number relative to Arabidopsis, the tropical fruit tree, Carica papaya, can serve as a complementary genetic model for complex traits. Here, new phenotypes and touch-regulated gene homologues have been i...

journal_title：Annals of botany

authors： Porter BW,Zhu YJ,Webb DT,Christopher DA

更新日期：2009-04-01 00:00:00

abstract：BACKGROUND AND AIMS:The persistence of plants inhabiting restricted alpine areas under climate change will depend upon many factors including levels of genetic variation in adaptive traits, population structure, and breeding system. METHODS:Using microsatellite markers, the genetic structure of populations of a relati...

journal_title：Annals of botany

authors： Byars SG,Parsons Y,Hoffmann AA

更新日期：2009-04-01 00:00:00

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 AND AIMS:Land-use changes and associated extinction/colonization dynamics can have a large impact on population genetic diversity of plant species. The aim of this study was to investigate genetic diversity in a founding population of the self-incompatible forest herb Primula elatior and to elucidate the pro...

journal_title：Annals of botany

authors： Jacquemyn H,Vandepitte K,Roldán-Ruiz I,Honnay O

更新日期：2009-03-01 00:00:00

abstract：BACKGROUND AND AIMS:Previous measurements of conifer alkaloids have revealed significant variation attributable to many sources, environmental and genetic. The present study takes a complementary and intensive, common garden approach to examine genetic variation in Pinus ponderosa var. ponderosa alkaloid production. Ad...

journal_title：Annals of botany

authors： Gerson EA,Kelsey RG,St Clair JB

更新日期：2009-02-01 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 AND AIMS:The water gap is an important morphoanatomical structure in seeds with physical dormancy (PY). It is an environmental signal detector for dormancy break and the route of water into the non-dormant seed. The Convolvulaceae, which consists of subfamilies Convolvuloideae (11 tribes) and Humbertoideae (...

journal_title：Annals of botany

authors： Jayasuriya KM,Baskin JM,Geneve RL,Baskin CC

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Macaranga (Euphorbiaceae) is a large genus of dioecious trees with approx. 260 species. To date, only one pollination study of the genus has reported brood-site pollination by thrips in M. hullettii. In this study, the pollination system of Macaranga tanarius is reported. METHODS:The study was cond...

journal_title：Annals of botany

authors： Ishida C,Kono M,Sakai S

更新日期：2009-01-01 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