Seed dispersal by ants in the semi-arid Caatinga of North-East Brazil.

abstract：BACKGROUND AND AIMS:Introgression of crop genes into populations of wild relatives has important implications for germplasm conservation as well as for the persistence of novel transgenes in wild populations. Studies of hybrid fitness can be used to evaluate the potential for introgression to occur following episodes o...

journal_title：Annals of botany

authors： Song ZP,Lu BR,Wang B,Chen JK

更新日期：2004-03-01 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: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:Current understanding of stomatal development in Arabidopsis thaliana is based on mutations producing aberrant, often lethal phenotypes. The aim was to discover if naturally occurring viable phenotypes would be useful for studying stomatal development in a species that enables further molecular anal...

journal_title：Annals of botany

authors： Delgado D,Alonso-Blanco C,Fenoll C,Mena M

更新日期：2011-06-01 00:00:00

abstract：BACKGROUND:Modelling plant growth allows us to test hypotheses and carry out virtual experiments concerning plant growth processes that could otherwise take years in field conditions. The visualization of growth simulations allows us to see directly and vividly the outcome of a given model and provides us with an instr...

journal_title：Annals of botany

authors： Fourcaud T,Zhang X,Stokes A,Lambers H,Körner C

更新日期：2008-05-01 00:00:00

abstract：AIMS AND BACKGROUND:While the temperature response of soil respiration (R(S)) has been well studied, the partitioning of heterotrophic respiration (R(H)) by soil microbes from autotrophic respiration (R(A)) by roots, known to have distinct temperature sensitivities, has been problematic. Further complexity stems from t...

journal_title：Annals of botany

authors： Graham SL,Millard P,Hunt JE,Rogers GN,Whitehead D

更新日期：2012-07-01 00:00:00

abstract：BACKGROUND:A huge variety of plant forms can be found in nature. This is particularly noticeable for inflorescences, the region of the plant that contains the flowers. The architecture of the inflorescence depends on its branching pattern and on the relative position where flowers are formed. In model species such as A...

journal_title：Annals of botany

authors： Benlloch R,Berbel A,Serrano-Mislata A,Madueño F

更新日期：2007-09-01 00:00:00

abstract：BACKGROUND AND AIMS:The wild progenitors of the Near Eastern legumes have low germination rates mediated by hardseededness. Hence it was argued that cultivation of these wild legumes would probably result in no yield gain. Based on the meagre natural yield of wild lentil and its poor germination, it was suggested that ...

journal_title：Annals of botany

authors： Abbo S,Rachamim E,Zehavi Y,Zezak I,Lev-Yadun S,Gopher A

更新日期：2011-06-01 00:00:00

abstract：:The objective of this study was to evaluate the role of enzyme induction and aerenchyma formation in prolonged tolerance to soil flooding in a variety of underground clover (Trifolium subterraneum 'Park') previously selected for resistance. Seedlings were grown in hydroponic tanks, initially with aeration for 3 weeks ...

journal_title：Annals of botany

authors： Aschi-Smiti S,Chaibi W,Brouquisse R,Ricard B,Saglio P

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Buzz pollination involves explosive pollen release in response to vibration, usually by bees. The mechanism of pollen release is poorly understood, and it is not clear which component of vibration (acceleration, frequency, displacement or velocity) is critical; the role of buzz frequency has been pa...

journal_title：Annals of botany

authors： Corbet SA,Huang SQ

更新日期：2014-12-01 00:00:00

abstract：:An important function of the seed coat is to deliver nutrients to the embryo. To relate this function to anatomical characteristics, the developing seed coat of pea (Pisum sativum L.) was examined by light- and cryo-scanning electron microscopy (cryo-SEM) from the late pre-storage phase until the end of seed filling. ...

journal_title：Annals of botany

authors： Van Dongen JT,Ammerlaan AM,Wouterlood M,Van Aelst AC,Borstlap AC

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Extreme water stress episodes induce tree mortality, but the physiological mechanisms causing tree death are still poorly understood. This study tests the hypothesis that a potted tree's ability to survive extreme monotonic water stress is determined by the cavitation resistance of its xylem tissue....

journal_title：Annals of botany

authors： Barigah TS,Charrier O,Douris M,Bonhomme M,Herbette S,Améglio T,Fichot R,Brignolas F,Cochard H

更新日期：2013-11-01 00:00:00

abstract：Background:Refugia are island-like habitats that are linked to long-term environmental stability and, as a result, high endemism. Conservation of refugia and endemism hotspots should be based on a deep ecological and evolutionary understanding of their functioning, which remains limited. Although functional traits can ...

journal_title：Annals of botany

authors： Keppel G,Ottaviani G,Harrison S,Wardell-Johnson GW,Marcantonio M,Mucina L

更新日期：2018-11-30 00:00:00

abstract：BACKGROUND AND AIMS:Pepper (Capsicum annuum, Solanaceae) fruits are consumed worldwide and are of great economic importance. In most species ripening is characterized by important visual and metabolic changes, the latter including emission of volatile organic compounds associated with respiration, destruction of chloro...

journal_title：Annals of botany

authors： Chaki M,Álvarez de Morales P,Ruiz C,Begara-Morales JC,Barroso JB,Corpas FJ,Palma JM

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND AND SCOPE:Self-incompatibility (SI) in flowering plants ensures the maintenance of genetic diversity by ensuring outbreeding. Different genetic and mechanistic systems of SI among flowering plants suggest either multiple origins of SI or considerable evolutionary diversification. In the grasses, SI is based ...

journal_title：Annals of botany

authors： Klaas M,Yang B,Bosch M,Thorogood D,Manzanares C,Armstead IP,Franklin FC,Barth S

更新日期：2011-09-01 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:The reconstruction of biological processes and human activities during the last glacial cycle relies mainly on data from biological remains. Highly abundant tissues, such as wood, are candidates for a genetic analysis of past populations. While well-authenticated DNA has now been recovered from various fossi...

journal_title：Annals of botany

authors： Liepelt S,Sperisen C,Deguilloux MF,Petit RJ,Kissling R,Spencer M,de Beaulieu JL,Taberlet P,Gielly L,Ziegenhagen B

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND AND AIMS:Plasticity of floral traits in response to pollination can enable plants to maximize opportunities for pollen import and export under poor pollination conditions, while minimizing costs under favourable ones. Both floral longevity and display are key traits influencing pollination. While pollination...

journal_title：Annals of botany

authors： Spigler RB

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND AND AIMS:The angiosperm family Myrtaceae comprises 17 tribes with more than half of the estimated 5500 species being referred to the fleshy-fruited and predominantly rainforest associated Syzygieae and Myrteae. Previous studies suggest that fleshy fruits have evolved separately in these lineages, whereas gen...

journal_title：Annals of botany

authors： Biffin E,Lucas EJ,Craven LA,Ribeiro da Costa I,Harrington MG,Crisp MD

更新日期：2010-07-01 00:00:00

abstract：:Tylosema esculentum is a long-lived perennial species endemic to arid areas of southern Africa. Its potential as a crop species has long been recognized as a result of the high oil and protein content of its seeds. The reproductive biology and breeding systems of the species were investigated in wild and experimental ...

journal_title：Annals of botany

authors： Hartley ML,Tshamekeng E,Thomas SM

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Light interception is closely related to canopy architecture. Few studies based on multi-view photography have been conducted in a field environment, particularly studies that link 3-D plant architecture with a radiation model to quantify the dynamic canopy light interception. In this study, we comb...

journal_title：Annals of botany

authors： Zhu B,Liu F,Xie Z,Guo Y,Li B,Ma Y

更新日期：2020-09-14 00:00:00

abstract：Background and Aims:Studies of phenotypic plasticity in plants have mainly focused on (1) the effect of environmental variation on whole-plant traits related to the number of modules rather than on (2) the phenotypic consequences of environmental variation in traits of individual modules. Since environmental and develo...

journal_title：Annals of botany

authors： Camargo ID,Nattero J,Careaga SA,Núñez-Farfán J

更新日期：2017-10-17 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:Changes in the amount of repetitive DNA (dispersed and tandem repeats) are considered the main contributors to genome size variation across plant species in the absence of polyploidy. However, the study of repeatome dynamism in groups showing contrasting genomic features and complex evolutionary his...

journal_title：Annals of botany

authors： Vitales D,Álvarez I,Garcia S,Hidalgo O,Nieto Feliner G,Pellicer J,Vallès J,Garnatje T

更新日期：2020-03-29 00:00:00

abstract：BACKGROUND:Lignin is a polyphenolic polymer that strengthens and waterproofs the cell wall of specialized plant cell types. Lignification is part of the normal differentiation programme and functioning of specific cell types, but can also be triggered as a response to various biotic and abiotic stresses in cells that w...

journal_title：Annals of botany

authors： Barros J,Serk H,Granlund I,Pesquet E

更新日期：2015-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Most genera of the neotropical Galipeinae (tribe Galipeeae, Rutoideae) exhibit several forms and degrees of fusion between the floral organs, including the union of petals into an apparently sympetalous corolla, the joining of the stamens among themselves and to the corolla, and the partial to compl...

journal_title：Annals of botany

authors： El Ottra JH,Pirani JR,Endress PK

更新日期：2013-05-01 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：BACKGROUND AND AIMS:Large clones of rhizomatous plants are found in many habitats, but little is known about whether such clones also occur on cliff faces where environmental conditions are extremely harsh and heterogeneous. METHODS:Using molecular (intersimple sequence repeat, ISSR) markers, the genotypic composition...

journal_title：Annals of botany

authors： Liu FH,Yu FH,Liu WS,Krüsi BO,Cai XH,Schneller JJ,Dong M

更新日期：2007-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Reproductive assurance through autonomous selfing is thought to be one of the main advantages of self-fertilization in plants. Floral mechanisms that ensure autonomous seed set are therefore more likely to occur in species that grow in habitats where pollination is scarce and/or unpredictable. METH...

journal_title：Annals of botany

authors： Brys R,Jacquemyn H

更新日期：2011-05-01 00:00:00

abstract：Background and Aims:Forage quality for herbivores and litter quality for decomposers are two key plant properties affecting ecosystem carbon and nutrient cycling. Although there is a positive relationship between palatability and decomposition, very few studies have focused on larger vertebrate herbivores while conside...

journal_title：Annals of botany

authors： Bumb I,Garnier E,Coq S,Nahmani J,Del Rey Granado M,Gimenez O,Kazakou E

更新日期：2018-03-05 00:00:00