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Full Screen- Title
- DEDICATION
- CERTIFICATE
- DECLARATION
- ACKNOWLEDGEMENT
- CONTENTS
- Part I Cytological studies in Asteraceae
- Introduction
- Materials
- 1. Eleplantopus scaber
- 2. Phyliocephalum rangacharii
- 3. Vernonia cinerea
- 4. Adenostemma lavenia
- 5. Ageratum conyzoides
- 6. Ageratum haustonianum Miller.
- 7. Chromolaena odorata
- Fig. Caption 1-9: List of members Investigated
- 8. Eupotorium triplinerve Vahl.
- 9. Mikania cordata
- 10. Conyza bonariensis
- 11. Conyza canadensis
- 12. Dichrocephala chrysanthemifolia DC
- 13. Erigeron mucronatus DC.
- 14. Blumea lacera DC.
- 15. Blumea mollis (D.Don) Merr
- 16. Blumea oxyodonta DC
- Fig. Caption 10 -18: List of members investigated
- 17. Sphaeranthus indicus Linn
- 18. Vicoa indira DC
- 19. Acanthospermum hispidum DC
- 20. Bidens pilosa Linr
- 21. Cosmos bipinnatus Cav. cv. Orange
- 22. Cosmos bipinnatus Cav. cv. Yellow
- 23. Cosmos caudatus Kunth
- 24. Eclipta prostrata (Linn) Linn
- 25. Galinsoga parvifora Cav.
- Fig. Caption 19 -27: List of members investigated
- 26. Melampodium paludosm B.H.& K.
- 27. Parthenium hysterophorus Linn
- 28. Sigesbeckia orientalis Linn
- 29. Spilanthes calva Dc
- 30. Spilanthes ciliata H.B.K
- 31. Spilanthes radicans Jacq
- 32. Spilanthes uliginosa Sw
- 33. Synedrella nodifrora, Gaertn
- Fig. Caption 28 -36: List of members investigated
- 34. Tithonia diversifolia A.Gray
- 35. Tridax procumbens Linn
- 36. Wedelia chinensis (Osbeck) Merrill
- 37. Wedelia trilobata (Linn) Hitch
- 38. Zinnia elegans Jacq
- 39. Tagetes ereda Linn cv. orange
- 40. Tagetes erecta Linn cv pale yellow
- 41. Tagetes ereda Linn cv Yellow
- 42. Tagetes patula Linn.
- Fig. Caption 37 -45: List of members investigated
- 43. Chrysanthemum parthenium (Linn) Benth
- 44. Crossocephalum crepidioides (Benth) S. Moore
- 45. Emilia sonchifolia (Linn) Dc
- 46. Notonia grandiflora Dc
- 47. Sonchus oleraceus Linn
- Fig. Caption 46 -47: List of members investigated
- Methods
- a) Mitotic squash experiments
- b) Meiotic smear experiments.
- c) Detailed karyomorphological studies by image analysis system
- Photographs and image processing
- Quantitative karyotyping of the chromosomes
- Quantitative idiograms of chromosomes
- Observation
- Fig. 1d to 5d -Comparative idiogram chart of various taxa studied
- Fig. 6d to 10d - Comparative idiogram chart of various taxa studied
- Fig.11d to 15d - Comparative idiograrn chart of various taxa studied
- Fig. 16d to 20d - Comparative idiogram chart of various taxa studied
- Fig. 21d to 25d -Comparative idiogram chart of various taxa studied
- Fig. 26d to 30d - Comparative idiogram chart of various taxa studied
- Fig. 31d to 35d - Comparative idiogram chart of various taxa studied
- Fig. 36d to 40d - Comparative idiogram chart of various taxa studied
- Fig. 41d to 44d - Comparative idiogram chart of various taxa studied
- Fig. 45d to 47d - Comparative idiogram chart of various taxa studied
- Table: 49 Summary of the Karyomorphometerial analysis on the forty seven taxa investigated
- DISCUSSION
- a) Chromosome numbers in the genera investigated
- b) Basic chromosome number
- c) Polyploidy
- d) Karyomorphometrical analysis
- e) Cytological evolution in Asteraceae
- Summary
- Part II Characterization of Phytochemical diversity within Asteraceae
- Materials and methods
- Plant materials
- Isolation of essential oil
- Qualitative analysis
- Quantitative analysis
- Chemotaxonomic evaluation
- Evaluation of ecological role of aerpenoids
- Observations
- Table 50: List of various taxa investigated for their major essential oil components and chemotypes
- Table 51: Distribution of essential oil components in the taxa investigated
- Table 52: Chemical affnities of the various taxa investigated in Asteraceae
- Table 53: Previous reports on major essential oil constituents in Asteraeeae
- Teble 54: Value added properties of various essential oil yielding plants of Asteraceae
- DISCUSSION
- Physico-chemical characterisation of essential oils in the taxa investigated
- Chemical ecology of terpenoids in Asteraceae
- Summary
- References