6. 1 unit uses the international system of units or the system of units derived from the international system of units. Time unit: day, second, minute and hour (in Chinese, D, S, min and H are used in the table).

6.2 Abbreviations In order to make it easier for readers to read and reduce repetition, please give the full name of the word when it first appears, list its abbreviations in brackets, and then use the abbreviations.

6.3 Trade name: All chemicals have common names, not trade names.

6.4 Except common Latin scientific names (such as rice, Arabidopsis thaliana, etc.). ), when other names appear in the title (title, abstract, text) for the first time, the Latin scientific names can be omitted, and English names should be written, and Latin scientific names (including common names and specific modifiers) should be correctly written in brackets, such as: tobocco (Nicotiana tabacum). If there is no English name, write a Latin name. If there is a variety name, please mark it in single quotation marks and indicate its full name in brackets (the full name of cultivated variety is expressed as: species name+elegant name).

6.5 Genetic terminology should use standard genetic terminology. See Trends in Genetics (Elsevier Science, 1998).

7 composition of the manuscript

Manuscripts should be submitted in the following order: (1) title page, (2) abstract and keywords, (3) text, (4) thanks, (5) references, (6) appendices, (7) tables (including headers and notes) and (8) charts and illustrations.

7. The title page of 1 contains (1) the title of the article, (2) the names of all the authors, (3) the name of the completing unit, and (4) the address, telephone number, fax number and e-mail address of the correspondent and writing author. The title should be short and pithy, with main keywords and no abbreviations.

7.2 In the abstract and keyword abstract, the research purpose, methods, results and main conclusions should be summarized, especially the innovative achievements should be highlighted. Don't use abbreviations and references in the abstract. 4-5 keywords, sorted alphabetically by English keywords, and Chinese keywords are adjusted to corresponding English keywords.

Chinese abstract research papers are required to be written as report abstracts (highlighting the innovation of the papers); It is suggested to write an indicative summary of the report; Theoretical papers and forum abstracts can be adjusted according to the contents of the papers. The Chinese abstract of the research paper is less than 400 words, and the articles in other columns are adjusted accordingly according to the length.

The English abstract requires highlighting the theme and application scope of the paper, fully reflecting and highlighting the innovation of the research, with 300-400 words. The content includes the research background, purpose, methods and conclusions, without using quotations, charts and formulas.

7.3 Please indicate the name of the fund and the number of fund projects at or above the provincial or ministerial level.

7.4 The text should generally consist of four parts: preface, materials and methods, results and discussion.

7.5 Acknowledgement includes gratitude to researchers and institutions.

7.6 References This journal adopts the "author publishing year system", and only lists the recent major documents related to this article. The author should be responsible for the accuracy of the cited documents. Please refer to the website for the specific format.

7.7 Appendices are placed after the text, numbered with Roman numerals, and mentioned in the text. If it is not written by the author of this article, please add the name of the author of the appendix under the title of the appendix.

7.8 The table is not a simple copy of the content of the article, but it should be accurate, complete and self-evident, that is, the reader can understand its meaning only by reading this table without text prompts. The form shall be numbered consecutively with Arabic numerals, with a total of three lines, and the form font size shall be No.8.. The title and notes of the form are explained in Chinese and English, the units are enclosed in brackets, and the contents of the form are only in English. All abbreviations and definition symbols should be explained in the table notes, and the contents of the notes should be ";" Separate. P Difference test should be marked with *, * * and * * *, and statistical indicators such as SD or SEM should be written in the header.

7.9 Drawings shall be accurate, complete and clear at a glance. The drawings shall be numbered consecutively with Arabic numerals, and shall also appear consecutively in the text. Photos should be clear original photos, and multiple photos should be made into plates. The picture size is divided into single column (≤ 6.8 cm) and general column (≤ 14 cm), and pictures below 300 dpi cannot be used for publication. Multiple photos shall be made into plates, and the small pictures in the plates shall be numbered consecutively with capital letters, and the font size shall be 10 dot. The width of the plate is not more than 14 cm, and the height (including plate description) is not more than 2 1 cm. The position of the plate in the text is indicated by a box. Please draw line drawings by computer and provide laser samples with resolution ≥ 600dpi. The main line (function line) of the coordinate diagram is 0.25 ~ 0.50 mm thick, and the auxiliary line (coordinate axis) is half of the main line. The font size of the text and title in the chart is 8 points. Magnification should be indicated in bars in drawings and illustrations. The adjusted image resolution should be between 300 and 396 (pixels/inch) and should exist as a. tif file. Blue-green, magenta, yellow and black are suitable for color images, while red, green and blue are not suitable for color images, which is closer to the printing effect.

7. 10 Please express the contents in the chart of the summary article in Chinese, except the intermediate products of the chemical synthesis route and those that cannot be expressed in Chinese; The contents in the charts of research papers are expressed in English.

Reference Specification of China chinese bulletin of botany in 2007

I. About the format of punctuation marks

All Chinese and English documents (including references to documents in the text) use English punctuation marks. Add an English space after comma, semicolon and dot; Add an English space before the brackets of the year. Song style is used in Chinese and Arial font is used in English.

Secondly, the references cited in this paper are standard specifications.

The reference format of 1. file is the author's chronological system.

2. The citation formats of Chinese and English documents with only one author are as follows: (Wang Xiaogang, 2000), (Smale, 200 1) or Wang Xiaogang (2000), Smale (20065438+0); The citation formats of the two authors' literature are as follows: (Yu Jiangchuan and Wu, 1999), (Clough and Bent, 1998) or Yu Jiangchuan and Wu (1999), Clough and Bent (1998); The citation formats of three or more authors in this paper are as follows: (Wang Xiaogang et al., 2000), (Moore et al., 200 1) or Wang Xiaogang et al. (1999), Moore et al., (200 1).

3. The documents cited by the same author are in the same place, separated by commas in different years, and arranged from far to near, such as (Wang Xiaogang, 1999, 2000, 200 1).

4. The documents cited by different authors in the same place are arranged from far to near in chronological order and separated by semicolons, such as: (Li Rong et al.,1985; Liu Jia, 1990).

5. Unpublished conference papers (collections) cannot be cited as official documents. Unpublished data and personal information related literature, please do not list at the end of the article.

6. Doctoral dissertations cannot be cited as official documents, but they can be marked at the bottom of the citation page in the form of footnotes, and the citation situation is marked in the form of ① and ②. The master's thesis is not quoted as an official document, nor is it listed in a footnote.

Thirdly, the description format of references after the text.

1. All files formally quoted in the text and charts must be listed at the end of the text; And the references after the text must correspond to the quotations in the text one by one, and the author is responsible for the accuracy.

2. The documents shall be arranged in the order of Chinese translation, Japanese and western languages.

3. Chinese is sorted by the first author's surname letter, Japanese by the first author's surname letter, and western by the first author's surname letter.

Please list all authors and their names. Abbreviations of western journals (please visit our website: NCBI), in italics.

5. The name of the western writer: the surname is spelled completely, and the first letter is capitalized.

6. Journals are continuously coded, and the issue number is not marked; Periodicals with discontinuous codes need to be marked with serial numbers.

7. Paragraph format is hanging indent, and the indentation measurement value is one Chinese character (two English).