Author's Guide for Manuscript Preparation (revised 1983) GENERAL INSTRUCTIONS Use numerals before standard units of measurement; eg, 1 g, 9 days. Otherwise, use words for numbers one through nine and Submit two copies of manuscripts and three sets of figures to: numerals for larger numbers in the text. The American Phytopathological Society, Editorial Office, 3340 Authors can facilitate accurate typesetting by indicating, in Pilot Knob Rd., St. Paul, MN 55121. pencil, the precise meaning of certain symbols; eg, distinguish 0 Manuscripts must be in English, and the entire manuscript from zero, a prime sign from an apostrophe, the letter 1 from the (including abstract, literature cited, tables, and legends) must be numeral 1, and multiplication X from the letter X. typed double-spaced on line-numbered 8a X 11 in. (216X 279 mm) For commonly used terms and abbreviations, consult the latest paper, with authors' names, page number, and PHYTOPATHOLOGY edition of the "Council of Biology Editors CBE Style Manual" in the upper right corner of each page. Tables should be on (American Institute for Biological Science, 1401 Wilson Blvd., numbered pages after the literature cited section; legends for Arlington, VA 22209). Other abbreviations may be used after the figures, on a separate numbered page, should follow the tables, term is spelled out at its first use and the abbreviation is given parenthetically. FORMAT Names and terms. Underline Latin binomials to indicate italic type. Include citation of authors (for abbreviations of names, see Section heading. The section heading under which the article "Index of Plant Diseases," USDA Handbook 165) for organisms should be listed on the contents page should be typed on the first used in the investigation. (See also "A Guide to the Use of Terms in line of the title page. Section headings are: Letters to the Editor, Plant Pathology," Commonwealth Mycological Institute, Kew, Disease Detection and Losses, Etiology, Cytology and Histology, Surrey, England. Phytopathological Papers, No. 17, 1973.) Physiology and Biochemistry, Ecology and Epidemiology, Vector Indicate the source of cultures. Include designation of cultures Relations, Genetics, Resistance, Postharvest Pathology and obtained from or deposited in recognized collections. Mycotoxins, Disease Control and Pest Management, Special Papers dealing mainly with taxonomy of bacteria, such as Topics, and Techniques. descriptions of new taxa, should be submitted to the International Journal of Systematic Bacteriology. Nomenclature should follow Title. The title should reflect the important aspects of the article the Approved Lists of Bacterial Names (Int. J. Syst. Bacteriol. as concisely as possible, preferably in no more than 100 characters 30:225-420, 1980, and some later issues in 1980 and 1981). As of and spaces. 1982, each January issue of the International Journal of Systematic Bacteriology is to contain the cumulative list of species validly By-line. The author(s) name(s) should be followed by affiliations published in the previous year, and additional lists are to be and addresses, acknowledgments, disclaimers, and acceptance published in individual issues of that journal during the current date, with each item in a separate paragraph. (Inclusion of authors' year. Pathovar names should be presented as outlined by Dye et al professional titles is optional.) in "International standards for naming pathovars of phytopathogenic bacteria and a list of pathovar names and Abstracts. Abstracts, in English, are required for all pathotype strains" (Rev. Plant Pathol. 59:153-168, 1980), except manuscripts. Authors may also provide a translation of the when superceded by the International Journal of Systematic abstract in French, German, or Spanish. Bacteriology. Designate strains, where applicable. The citation for the article should appear between the word Follow genetic terminology recommended by Rieger et al in the "ABSTRACT" and the text of the abstract. Limit abstracts to one most recent edition of the "Glossary of Genetics and Cytogenetics: paragraph of 200 words (50-60 words for articles shorter than two Classical and Molecular" (Springer-Verlag, New York). Underline pages). Below the abstract, after the subheading Additional key gene symbols but not their subscripts. Follow usage of plasmid words, list in alphabetical order words or phrases that are not in the symbols proposed by Novick et al (Bacteriol. Rev. 40:168-189, title or abstract but are in the text and would be useful in index 1976). retrieval systems. Use the term "cultivar" for agronomic and horticultural Use a solid line to separate the abstract and additional key words, varieties. Identify the source of the cultivars and include CI or PI if any, from the body of the manuscript, numbers when appropriate. Enclose the name of a cultivar in single quotation marks only when it immediately follows the botanical Text. Organization. Major sections after the introductory name. statements are: Materials and Methods, Results, Discussion, and Names of unusual proprietary materials and special apparatus Literature Cited. General techniques and methods are best should be followed by the manufacturer's name and address in described in Materials and Methods; detailed procedures of parentheses. List fungicides by their approved common or generic experiments and trials are best described in Results. Subheadings names. See the current issue of "Farm Chemicals Handbook" may be used, but avoid excessive fragmentation of the text. (Meister Publishing Co., 37841 Euclid Ave., Willoughby, OH Footnotes to the text are not permitted. 44094) or the most recent edition of "Acceptable Common Names Editorial style. After acceptance for publication, manuscripts are and Chemical Names for the Ingredient Statement on Pesticide edited for style, grammar, clarity of presentation, and preciseness Labels" (Pesticide Regulation Division, Environmental Protection and conciseness of statements. Preferred spellings are used, Agency, Washington, DC). Use the chemical name if the common according to Webster's Dictionary. name is not available. The metric system is preferred. See the current "Standard Metric Names of enzymes. Use the enzyme names recommended in the Practice Guide" (American Society for Testing and Materials, 1916 latest issue of "Enzyme Nomenclature: Recommendations of the Race St., Philadelphia, PA 19103). Express fractional units in Nomenclature Committee of the International Union of length, mass, volume, and molarity by the prefixes m (milli), JA Biochemistry on the Nomenclature and Classification of Enzymes" (micro), n (nano), and p (pico) where applicable. Abbreviate liter(s) (Academic Press, New York). Give the number (classification) of as L when preceded by a number and as lowercase I when preceded the enzyme at its first use. (See also the latest edition of "Handbook by a fractional prefix (ie, ml). Use micrometers (Am) as the basic of Biochemistry and Molecular Biology," The Chemical Rubber unit for microscopic measurement. Co., Cleveland, OH.) Vol. 74, No. 1, 1984 5