Effect of thawing time, cooling rate and boron nutrition on freezing point of the primordial shoot in norway spruce buds.

abstract：BACKGROUND AND AIMS:The palm tribe Chamaedoreeae displays flowers arranged in a complex partial inflorescence called an acervulus. This type of partial inflorescence has so far not been reported elsewhere in the largest palm subfamily Arecoideae, which is traditionally characterized by flowers predominantly arranged in...

journal_title：Annals of botany

authors： Ortega-Chávez N,Stauffer FW

更新日期：2011-12-01 00:00:00

abstract：:Flowering activity and sex expression of Bischofia javanica Blume were investigated for 3 years. B. javanica is an invasive dioecious tree of subtropical forests on the Bonin Islands in the western Pacific of Japan. The sex ratio showed a significant male bias (1.25-2.33). Smaller trees were significantly male biased,...

journal_title：Annals of botany

authors： Yamashita N,Abe T

更新日期：2002-11-01 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：:Culture of cassava somatic embryos on media with an altered macro- and micro-nutrient salt concentration affected embryo development and germination capability. In the tests, quarter-, half-, full- or double-strength Murashige and Skoog (MS) media were compared. The maximum number of somatic embryos differentiated fro...

journal_title：Annals of botany

authors： Groll J,Mycock DJ,Gray VM

更新日期：2002-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Litter is a key factor in structuring plant populations, through positive or negative interactions. The litter layer forms a mechanical barrier that is often strongly selective against individuals lacking hypocotyle plasticity. Litter composition also interacts with plant growth by providing benefic...

journal_title：Annals of botany

authors： Baltzinger M,Archaux F,Dumas Y

更新日期：2012-05-01 00:00:00

abstract：BACKGROUND AND AIMS:The gametophyte phase of ferns plays an important role in habitat selection, dispersal, adaptation and evolution. However, ecological studies on fern gametophytes have been impeded due to the difficulty of species identification of free-living gametophytes. DNA barcoding provides an alternative appr...

journal_title：Annals of botany

authors： Chen CW,Huang YM,Kuo LY,Nguyen QD,Luu HT,Callado JR,Farrar DR,Chiou WL

更新日期：2013-04-01 00:00:00

abstract：:Young trees 0.03-1.7 m high of three coexisting Betula species were investigated in four sites of varying soil fertility, but all in full daylight, to separate nutrient and plant size controls on leaf dry mass per unit area (MA), light-saturated foliar photosynthetic electron transport rate (J) and the fraction of pla...

journal_title：Annals of botany

authors： Niinemets U,Portsmuth A,Truus L

更新日期：2002-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Stigmatic receptivity plays a clear role in pollination dynamics; however, little is known about the factors that confer to a stigma the competence to be receptive for the germination of pollen grains. In this work, a developmental approach is used to evaluate the acquisition of stigmatic receptivit...

journal_title：Annals of botany

authors： Losada JM,Herrero M

更新日期：2012-08-01 00:00:00

abstract：:This light and electron microscope study revealed that leptosporangiate ferns have highly distinctive gametophyte-sporophyte junctions characterized by sporophytic haustoria, the absence of intraplacental spaces and degenerating cells, and the early appearance of wall ingrowths in both generations. Other notable cytol...

journal_title：Annals of botany

authors： Duckett JG,Ligrone R

更新日期：2003-10-01 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：:In a recent paper, we described for the first time the effects of fruit on the expression of putative homologues of genes involved in flowering pathways. It was our aim to provide insight into the molecular mechanisms underlying alternate bearing in citrus. However, a bioinformatics-based critique of our and other rel...

journal_title：Annals of botany

authors： Muñoz-Fambuena N,Mesejo C,González-Mas MC,Primo-Millo E,Agustí M,Iglesias DJ

更新日期：2013-03-01 00:00:00

abstract：BACKGROUND AND AIMS:Phytochrome B (phyB) is a photosensory receptor important for the control of plant plasticity and resource partitioning. Whether phyB is required to optimize plant biomass accumulation in agricultural crops exposed to full sunlight is unknown. Here we investigated the impact of mutations in the gene...

journal_title：Annals of botany

authors： Wies G,Mantese AI,Casal JJ,Maddonni GÁ

更新日期：2019-06-24 00:00:00

abstract：BACKGROUND AND AIMS:The tam (tardy asynchronous meiosis) mutant of Arabidopsis thaliana, which exhibits a modified cytokinesis with a switch from simultaneous to successive cytokinesis, was used to perform a direct test of the implication of cytokinesis in aperture-pattern ontogeny of angiosperm pollen grains. The aper...

journal_title：Annals of botany

authors： Albert B,Raquin C,Prigent M,Nadot S,Brisset F,Yang M,Ressayre A

更新日期：2011-06-01 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 AND AIMS:The mobile carbon supply to different compartments of a tree is affected by climate, but its impact on cell-wall chemistry and mechanics remains unknown. To understand better the variability in root growth and biomechanics in mountain forests subjected to substrate mass movement, we investigated roo...

journal_title：Annals of botany

authors： Genet M,Li M,Luo T,Fourcaud T,Clément-Vidal A,Stokes A

更新日期：2011-02-01 00:00:00

abstract：:Apple is an important crop and a focus of research worldwide. However, some aspects of floral commitment and morphogenesis remain unclear. A detailed characterization of bourse shoot apex development was undertaken to provide a framework for future genetic, molecular and physiological studies. Eight morphologically di...

journal_title：Annals of botany

authors： Foster T,Johnston R,Seleznyova A

更新日期：2003-08-01 00:00:00

abstract：BACKGROUND AND AIMS:Wetlands are impacted by changes in hydrological regimes that can lead to periods of low water levels. During these periods, aquatic plants experience a drastic change in the mechanical conditions that they encounter, from low gravitational and tensile hydrodynamic forces when exposed to flow under ...

journal_title：Annals of botany

authors： Hamann E,Puijalon S

更新日期：2013-12-01 00:00:00

abstract：BACKGROUND AND AIMS:X-ray fluorescence microscopy (XFM) is a powerful technique to elucidate the distribution of elements within plants. However, accumulated radiation exposure during analysis can lead to structural damage and experimental artefacts including elemental redistribution. To date, acceptable dose limits ha...

journal_title：Annals of botany

authors： Jones MWM,Kopittke PM,Casey L,Reinhardt J,Blamey FPC,van der Ent A

更新日期：2020-03-29 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: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：:The various pollen dispersal units (PDU) found in orchids are discussed together with possible evolutionary trends and the consequences for germination and fertilization. Orchids with monad and tetrad pollen form more complex dispersal units by means of pollenkitt, elastoviscin, a callosic wall, common walls or a comb...

journal_title：Annals of botany

authors： Pacini E,Hesse M

更新日期：2002-06-01 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: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:Quiescence is a fundamental feature of plant life, which enables plasticity, renewal and fidelity of the somatic cell line. Cellular quiescence is defined by arrest in a particular phase of the cell cycle, typically G1 or G2; however, the regulation of quiescence and proliferation can also be considered acro...

journal_title：Annals of botany

authors： Velappan Y,Signorelli S,Considine MJ

更新日期：2017-10-17 00:00:00

abstract：BACKGROUND:Most of the water on Earth is seawater, each kilogram of which contains about 35 g of salts, and yet most plants cannot grow in this solution; less than 0·2% of species can develop and reproduce with repeated exposure to seawater. These 'extremophiles' are called halophytes. SCOPE:Improved knowledge of halo...

journal_title：Annals of botany

authors： Flowers TJ,Colmer TD

更新日期：2015-02-01 00:00:00

abstract：BACKGROUND AND AIMS:The gene flow through pollen or seeds governs the extent of spatial genetic structure in plant populations. Another factor that can contribute to this pattern is clonal growth. The perennial species Arabidopsis lyrata ssp. petraea (Brassicaceae) is a self-incompatible, clonal species found in disjun...

journal_title：Annals of botany

authors： Lundemo S,Stenøien HK,Savolainen O

更新日期：2010-08-01 00:00:00

abstract：BACKGROUND:Archaeological evidence has revealed that barley (Hordeum vulgare) is one of the oldest crops used by ancient farmers. Studies of the time and place of barley domestication may help in understanding ancient human civilization. SCOPE:The studies of domesticated genes in crops have uncovered the mechanisms wh...

journal_title：Annals of botany

authors： Pourkheirandish M,Komatsuda T

更新日期：2007-11-01 00:00:00

abstract：BACKGROUND AND AIMS:The mangrove Rhizophora mucronata has previously been reported to lack annual growth rings, thus barring it from dendrochronological studies. In this study the reported absence of the growth rings was reconsidered and the periodic nature of light and dark brown layers visible on polished stem discs ...

journal_title：Annals of botany

authors： Verheyden A,Kairo JG,Beeckman H,Koedam N

更新日期：2004-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Natural selection and genetic drift are important evolutionary forces in determining genetic and phenotypic differentiation in plant populations. The extent to which these two distinct evolutionary forces affect locally adaptive quantitative traits has been well studied in common plant and animal sp...

journal_title：Annals of botany

authors： Ye Q,Tang F,Wei N,Yao X

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND AND AIMS:The endemic tree Nothofagus alessandrii (Fagaceae) has been historically restricted to the coastal range of Region VII of central Chile, and its forests have been increasingly destroyed and fragmented since the end of the 19th century. In this study, the patterns of within- and among-population gene...

journal_title：Annals of botany

authors： Torres-Díaz C,Ruiz E,González F,Fuentes G,Cavieres LA

更新日期：2007-07-01 00:00:00