Effect of medium salt concentration on differentiation and maturation of somatic embryos of cassava (Manihot esculenta Crantz).

abstract：BACKGROUND AND AIMS:Tea (Camellia sinensis) is considered to be acid tolerant and prefers ammonium nutrition, but the interaction between root zone acidity and N form is not properly understood. The present study was performed to characterize their interaction with respect to growth and mineral nutrition. METHODS:Tea ...

journal_title：Annals of botany

authors： Ruan J,Gerendás J,Härdter R,Sattelmacher B

更新日期：2007-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Nitrogen (N) levels vary between ecosystems, while the form of available N has a substantial impact on growth, development and perception of stress. Plants have the capacity to assimilate N in the form of either nitrate (NO3-) or ammonium (NH4+). Recent studies revealed that NO3- nutrition increases...

journal_title：Annals of botany

authors： Wany A,Gupta AK,Kumari A,Mishra S,Singh N,Pandey S,Vanvari R,Igamberdiev AU,Fernie AR,Gupta KJ

更新日期：2019-03-14 00:00:00

abstract：BACKGROUND:Plants are sessile organisms that have the ability to integrate external cues into metabolic and developmental signals. The cues initiate specific signal cascades that can enhance the tolerance of plants to stress, and these mechanisms are crucial to the survival and fitness of plants. The adaption of plants...

journal_title：Annals of botany

authors： Pu X,Lv X,Tan T,Fu F,Qin G,Lin H

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Water deficit and salinity stresses are often experienced by plants concurrently; however, knowledge is limited about the effects of combined salinity and water deficit stress in plants, and especially in C4 bioenergy crops. Here we aim to understand how diverse drought tolerance traits may deliver ...

journal_title：Annals of botany

authors： Stavridou E,Webster RJ,Robson PRH

更新日期：2019-10-29 00:00:00

abstract：BACKGROUND AND AIMS:Transgene introgression from crops into wild relatives may increase the resistance of wild plants to herbicides, insects, etc. The chance of transgene introgression depends not only on the rate of hybridization and the establishment of hybrids in local wild populations, but also on the metapopulatio...

journal_title：Annals of botany

authors： Rong J,Xu S,Meirmans PG,Vrieling K

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND AND AIMS:Species and hybrids of the genus Miscanthus contain attributes that make them front-runners among current selections of dedicated bioenergy crops. A key trait for plant biomass conversion to biofuels and biomaterials is cell-wall quality; however, knowledge of cell-wall composition and biology in Mi...

journal_title：Annals of botany

authors： da Costa RM,Lee SJ,Allison GG,Hazen SP,Winters A,Bosch M

更新日期：2014-10-01 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 and Aims:Diurnal changes in solar position and intensity combined with the structural complexity of plant architecture result in highly variable and dynamic light patterns within the plant canopy. This affects productivity through the complex ways that photosynthesis responds to changes in light intensity. C...

journal_title：Annals of botany

authors： Retkute R,Townsend AJ,Murchie EH,Jensen OE,Preston SP

更新日期：2018-08-01 00:00:00

abstract：BACKGROUND AND AIMS:Hydration, rupture and exine opening due to the sudden and large expansion of intine are typical of taxoid-type pollen grains. A hemispheric outgrowth external to the exine was observed on Cupressus and Juniperus pollen grains before the intine swelling and exine release. However, the actual existen...

journal_title：Annals of botany

authors： Danti R,Della Rocca G,Calamassi R,Mori B,Mariotti Lippi M

更新日期：2011-08-01 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：: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:Arbuscular mycorrhizal symbioses are important for nutrient acquisition in >80 % of terrestrial plants. Recently there have been major breakthroughs in understanding the signals that regulate colonization by the fungus, but the roles of the known plant hormones are still emerging. Here our understan...

journal_title：Annals of botany

authors： Foo E,Ross JJ,Jones WT,Reid JB

更新日期：2013-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Many experimental studies assume that some topological units are autonomous with regard to carbon because it is convenient. Some plant models simulate carbon allocation, employing complex approaches that require calibration and fitted parameters. For whole-tree canopy simulations, simpler carbon all...

journal_title：Annals of botany

authors： Auzmendi I,Hanan JS

更新日期：2020-09-14 00:00:00

abstract：BACKGROUND AND AIMS:The aims of this study were to set up proliferation conditions for hairy roots of Coffea arabica regenerated after transformation by Agrobacterium rhizogenes strain A4-RS, and to carry out the morphological and molecular characterization of hairy root clones maintained over the long term. METHODS:A...

journal_title：Annals of botany

authors： Alpizar E,Dechamp E,Lapeyre-Montes F,Guilhaumon C,Bertrand B,Jourdan C,Lashermes P,Etienne H

更新日期：2008-05-01 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 AND AIMS:Kaolin applied as a suspension to plant canopies forms a film on leaves that increases reflection and reduces absorption of light. Photosynthesis of individual leaves is decreased while the photosynthesis of the whole canopy remains unaffected or even increases. This may result from a better distrib...

journal_title：Annals of botany

authors： Rosati A,Metcalf SG,Buchner RP,Fulton AE,Lampinen BD

更新日期：2007-02-01 00:00:00

abstract：BACKGROUND AND AIMS:The broomrapes, Orobanche sensu lato (Orobanchaceae), are common root parasites found across Eurasia, Africa and the Americas. All species native to the western hemisphere, recognized as Orobanche sections Gymnocaulis and Nothaphyllon, form a clade that has a centre of diversity in western North Ame...

journal_title：Annals of botany

authors： Schneider AC,Colwell AE,Schneeweiss GM,Baldwin BG

更新日期：2016-11-01 00:00:00

abstract：Background and Aims:Fossil plants are found as fragmentary remains and understanding them as natural species requires assembly of whole-organism concepts that integrate different plant parts. Such concepts are essential for incorporating fossils in hypotheses of plant evolution and phylogeny. Plants of the Early Devoni...

journal_title：Annals of botany

authors： Matsunaga KKS,Tomescu AMF

更新日期：2017-05-01 00:00:00

abstract：Background and Aims:Plants usually compete with neighbouring plants for resources such as light as well as defend themselves against herbivorous insects. This requires investment of limiting resources, resulting in optimal resource distribution patterns and trade-offs between growth- and defence-related traits. A plant...

journal_title：Annals of botany

authors： de Vries J,Poelman EH,Anten N,Evers JB

更新日期：2018-04-18 00:00:00

abstract：BACKGROUND AND AIMS:High temperatures over 32-36 degrees C at anthesis induce spikelet sterility in rice. The use of a germplasm with an early-morning flowering (EMF) trait has been hypothesized as a way of avoiding this problem. In this study, the effect of the EMF trait on avoiding high temperature-induced sterility ...

journal_title：Annals of botany

authors： Ishimaru T,Hirabayashi H,Ida M,Takai T,San-Oh YA,Yoshinaga S,Ando I,Ogawa T,Kondo M

更新日期：2010-09-01 00:00:00

abstract：BACKGROUND AND AIMS:The growth of crops in a mixture is more variable and difficult to predict than that in pure stands. Light partitioning and crop leaf area expansion play prominent roles in explaining this variability. However, in many crops commonly grown in mixtures, including the forage species alfalfa, the sensi...

journal_title：Annals of botany

authors： Baldissera TC,Frak E,Carvalho PC,Louarn G

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND AND AIMS:The aim of this paper was to verify the variation in the loss of seed dormancy during after-ripening and the interspecific and interpopulation variability in the degree of dormancy of seven wild and two cultivated rice species comprising 21 populations and two cultivars. METHODS:Four wild rice spec...

journal_title：Annals of botany

authors： Veasey EA,Karasawa MG,Santos PP,Rosa MS,Mamani E,Oliveira GC

更新日期：2004-12-01 00:00:00

abstract：BACKGROUND:Photosystem II (PSII) is the light-driven water:plastoquinone oxidoreductase of oxygenic photosynthesis and is found in the thylakoid membrane of chloroplasts and cyanobacteria. Considerable attention is focused on how PSII is assembled in vivo and how it is repaired following irreversible damage by visible ...

journal_title：Annals of botany

authors： Nixon PJ,Michoux F,Yu J,Boehm M,Komenda J

更新日期：2010-07-01 00:00:00

abstract：BACKGROUND AND AIMS:When root-zone O(2) deficiency occurs together with salinity, regulation of shoot ion concentrations is compromised even more than under salinity alone. Tolerance was evaluated amongst 34 accessions of Hordeum marinum, a wild species in the Triticeae, to combined salinity and root-zone O(2) deficien...

journal_title：Annals of botany

authors： Malik AI,English JP,Colmer TD

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Our aim was to understand the environmental conditions of the emergence and radiation of early angiosperms. Such a question has long remained controversial because various approaches applied in the past have drawn conflicting images of early angiosperm ecology. METHODS:We provided a new perspective...

journal_title：Annals of botany

authors： Pouteau R,Trueba S,Isnard S

更新日期：2020-01-08 00:00:00

abstract：BACKGROUND AND AIMS:While nuclear DNA content variation and its phenotypic consequences have been well described for animals, vascular plants and macroalgae, much less about this topic is known regarding unicellular algae and protists in general. The dearth of data is especially pronounced when it comes to intraspecifi...

journal_title：Annals of botany

authors： Čertnerová D,Škaloud P

更新日期：2020-10-30 00:00:00

abstract：BACKGROUND AND AIMS:Grapevine (Vitis spp.) cold hardiness varies dynamically throughout the dormant season, primarily in response to changes in temperature. The development and possible uses of a discrete-dynamic model of bud cold hardiness for three Vitis genotypes are described. METHODS:Iterative methods were used t...

journal_title：Annals of botany

authors： Ferguson JC,Tarara JM,Mills LJ,Grove GG,Keller M

更新日期：2011-03-01 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:Bamboo is well known for its fast growth and excellent mechanical performance, but the underlying relationships between its structure and properties are only partially known. Since it lacks secondary thickening, bamboo cannot use adaptive growth in the same way as a tree would in order to modify the...

journal_title：Annals of botany

authors： Wang X,Keplinger T,Gierlinger N,Burgert I

更新日期：2014-12-01 00:00:00

abstract：BACKGROUND AND AIMS:The interspecific allometry of maximum plant height (Hmax) with respect to maximum basal stem diameter (Dmax) has been studied for leptocaulis dicot and conifer tree species. In contrast, virtually nothing is known about the interspecific allometry of pachycaulis species. Here, the interspecific all...

journal_title：Annals of botany

authors： Niklas KJ,Cobb ED,Marler T

更新日期：2006-01-01 00:00:00