1. ICBN
BY KASTURI SANJAY THAKUR

2. What is Polynomial Nomenclature ?
What is Binomial Nomenclature ?

3. HISTORY
 Linnaeus used binomial Nomenclature for naming
the new plants
 He published book “Species Plantorum in 1753”
 A.P. De Candole in 1813 “Theorie Elementaire de la
Botanique ”
 First international botanical congress held in Paris in
1867
 American botanist were not satisfied with Paris code

4. Subsequent Meeting of IBC
1892 - Rochester code
1905- Vienna code
1907- American code
1910- Lawrence
1930- Cambridge congress
1983- Latest I.C.B.N Sydney Australia

5.  6 Principle
 75 Rules
 57 Recommendations

6. PRINCIPLES
 Botanical nomenclature is independent of zoology nomenclature
 The application of name of taxanomy groups is determined by means of
the nomenclature types
 The nomenclature taxanomic groups is based upon the priority of the
publication
 Each taxanomic group with a particular position and rank can only have
one correct scientific name
 The scientific name of taxanomic groups are treated or written in latin
language
 The rules of nomenclature are retroactive unless expressly limited

7. Important Rules of Nomenclature
 Ranks and ending of Taxa
 Principles of priority
 Type method
 Synonyms and related definitions
 Citation of author
 Names of cultivated plants
 Latin diagnosis

8. Effective and valid publication
Choice of names when the taxon rank is changed
Choice of names when same rank taxa are united
Retention of names of divided taxa
Retention of names of taxa on transfer
Rejection of names
Name of different taxa

9. REFERENCE
 V.N. NAIK

10. THANKYOU