【正文】 itive style should be rations and tables should be limited to the truly essential biology preferentially publishes short research papers(five printed pages maximum)that will be reviewed with high e review articles that synthesize the state of the art in an original way are highly desirable for this views contributions should contain brief ments on an actual : presubmission englishlanguage editing authors for whom english is a second language may choose to have their manuscripts professionally edited before submission to improve the list of independent suppliers of editing services can be found web address for the form is :///pdf/ncesthe list of references must include all(but no additional)references e references alphabetically according to author name, not name of the journals containing the cited papers should be given in article reference should be given as in the following example:alfano, collmer, a.(2004)type iii secretion system effector proteins: double agents in bacterial disease and plant review , 385–414 books or other nonserial publications which are quoted in the references must be cited as follows: han, kamber, m.(2001)data mining: concepts and techniques, 1st kaufmann publishers, san t., sathyendranath s.(1995)latitude as a primary factor in the calculation of primary : hl, s, ad amp。 s(eds).ecology of fjords and coastal er, amsterdam: es not yet published may only be cited if they have definitely been accepted for must be denoted by the expression 39。in press39。.we remend the use of a tool such as endnote or reference manager for reference management and plant biology will follow the system of si units(systeme international d39。unites).within a given paper chosen units must be iationnote that mon abbreviations can be used without must be case of doubt always give an fw = fresh weight and dw = dry ific namesscientific names should be cited in their plete form when first mentioned with genusauthoritycultivar(cv.)or subspecies(ssp.)where names should be underlined or typed in uently the generic names should be abbreviated, but avoid confusion: s if the only genus with a first fetter a in your paper is ananas。but use unambiguous abbreviations if you have more than one genus with the same first letter, osus, aechmea nudicaulis = s, ulis, names of organisms must be acpanied by the correct scientific name when first rare or exotic genera it may be useful to give the name of the family and/or higher taxon in brackets when first ght authors will be required to assign copyright of their paper to the german botanical society, royal botanical society of the netherlands and blackwell ght assignment is a condition of publication and papers will not be passed to the publisher for production unless copyright has been assigned.(papers subject to government or crown copyright should tick box 3 on the form).download the copyright assignment form publishers will not refuse any reasonable request by authors for permission to reproduce their contributions to the ts a pdf offprint of the online published article will be provided free of charge to the corresponding author, and may be distributed subject to the publisher39。s terms and corresponding author will be asked to provide up to seven addresses for early distribution of a pdf offprint by the offprints of the printed published article may be purchased if ordered via the method stipulated on the instructions that will acpany the d offprints are posted to the correspondence address given for the paper unless a different address is specified when that it is not unmon for the printed offprints to take up to 8 weeks to arrive after publication of the further information please contact rs pte ltd, 9 kian teck crescent, singapore 628875。fax: +65 6265 9074。 offprint@ material archive policyplease note that unless specifically requested, the publisher will dispose of all hardcopy or electronic material submitted 2 months after you require the return of any material submitted, please inform the editorial office or production editor as soon as possible after the final decision about publication.