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Types of Taxonomy

1. Alpha taxonomy or classical taxonomy: It is based on external morphology, origin and evolution of plants.

2. Beta taxonomy or Explorative taxonomy: Besides external morphology, it also includes internal characters' like embryological, cytological, anatomical characters etc.

3. Omega taxonomy or Encyclopaedic taxonomy: Omega taxonomy has widest scope. It is based on all the informations or data available about plants.

4. Cytotaxonomy: The use of cytological characters of plants in classification or in solving taxonomic problems is called cytotaxonomy. Cytological characters constitute an important aid to plant taxonomy, especially in determining affinities at the generic and infrageneric levels.

5. Chemotaxonomy: The uses of chemical characters of plants in classification or in solving taxonomic problems is called chemotaxonomy or chemical taxonomy. It is based on the chemical constitution of plants. The fragrance and taste vary from species to species.

The basic chemical compounds used in chemotaxonomy are alkaloids, carotenoids, tannins, polysaccharide, nucleic acids, fatty acids, amino acids, aromatic compounds etc.

6. Karyotaxonomy: Based on characters of nucleus and chromosomes. Pattern of chromosomal bands (dark bands and light bands) is most specific characters.

BRANCHES OF BOTANY

1. Anatomy  Study of internal structure
2. Phycology or Aloglogy  Study of Algae
3. Agrostology  Study of grass
4. Anthology  Study of flowers
5. Aerobiology  Study of substances of plants, found in air.
6. Agronomy  Study of crops plants
7. Arboriculture  Study of culture of decorated plants,
8. Bio Chemistry  Study of organic substances, found in living organisms
9. Biophysics physical theories  Study of importance in metabolic reactions of different
10. Bacteriology  Study of bacteria
11. Bryology  Study of bryophytes
12. Biometrics  Study related to different biotic reactions & their results.
13. Bio technology  Study of isolation of protoplasm & their culture
14. Cytology  Study of structure & functions of cell
15. Cecidology  Study of diseased knots in plants
16. Dendrology  Study of tree
17. Dendrochronology  Study of age of trees
18. Embryology

 Study of gametes formation fertilization & formation of embryo

19. Ecology  Study of inter relations between living organism & there a atmosphere
20. Evolution  Study of different development process of living organism
21. Economic Botany  Study of plants of economic importance
22. Ethenobotany  Study of uses of plants by Tribals
23. Exobiology  Study of presence of possible organism on other planet
24. Euphenics  Study of control of heredity disease
25. Edaphology  Study of organism in soil
26. Floriculture  Study of culture of ornamental flowers
27. Foresty  Study of forests
28. Genetics  Study of heredity &. Variations
29. Gymnology  Study of Gymnosperm
30. Gerentology  Study of changes in cell with age
31. Genetic  Study of artificial genes & their Engineering transfers
32. Histology  Study of structure of tissues
33. Histochemistry  Study of different chemicals found in cells & tissues.
34. Horticulture  Study of culture of garden plant, fruits & vegetables
35. Lichenology  Study of lichens
36. Limnology  Study of fresh water plants
37. Karyology  Study of Nucleus
38. Morphology  Study of external characters of plants
39. Mycology  Study of fungi
40. Microbiology  Study of micro organisms
41. Mycoplasmology  Study of mycoplasma
42. Molecular Biology  Study of nucleic Acid (DNA & RNA)
43. Morphogenesis  Study of development
44. Nematology  Study of relation of plants & nematodes
45. Olericulture  Study of culture of vegetables
46. Oncology  Study of plant cancer
47. Physiology  Study of biotic activity of plants
48. Paleobotany  Study of fossil plants
49. Plant geography

 Study of distribution of plants according to different geographical zones.

50. Pteriodology  Study of pteridophytes
51. Pedology  Study of soil

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