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Sankaran, M.
- The Stratigraphy and Structure of the Sittampundi Complex, Tamil Nadu, India
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Authors
Affiliations
1 Central Groundwater Board, Jaipur, Rajasthan,, IN
2 Central Groundwater Board, Madras, IN
3 Geological Survey of India, Tamil Nadu Circle, Madras, IN
4 Department of Geology, Leicester University, GB
1 Central Groundwater Board, Jaipur, Rajasthan,, IN
2 Central Groundwater Board, Madras, IN
3 Geological Survey of India, Tamil Nadu Circle, Madras, IN
4 Department of Geology, Leicester University, GB
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 16, No 4 (1975), Pagination: 409-414Abstract
The Sittampundi Complex has the following igneous stratigraphy from the bottom upwards: gabbro with pyroxenite inclusions, chromite-layered hornblende anorthosite and clinozoisite anorthosite. This stratigraphy is only well preserved in the north-east of the area. The complex has been folded into an isoclinal antiform with the result that the stratigraphy is duplicated in two fold limbs which are locally separated by gneiss. A second phase of open folding has given rise to the present form of the complex as a major interference pattern. Linear mineral fabrics largely formed in association with the first deformation. The complex is a tectonic remnant of a layered igneous body that has been recrystallized and deformed. It is remarkably well preserved in more ductile, quartzo-feIdspathic gneisses that have suffered higher finite strain.
- Morphological, Cytological, Palynological and Molecular Characterization of Certain Mangifera Species
Abstract Views :190 |
PDF Views:82
Authors
Affiliations
1 Division of Fruit Crops, ICAR-Indian Institute of Horticultural Research, Bengaluru 560 089, IN
2 Division of Biotechnology, ICAR-Indian Institute of Horticultural Research, Bengaluru 560 089, IN
1 Division of Fruit Crops, ICAR-Indian Institute of Horticultural Research, Bengaluru 560 089, IN
2 Division of Biotechnology, ICAR-Indian Institute of Horticultural Research, Bengaluru 560 089, IN
Source
Current Science, Vol 115, No 7 (2018), Pagination: 1379-1386Abstract
The Mangifera genus has more than 60 species, mostly distributed in tropical Asia. The wild relatives of Mangifera are considered reservoirs of potential genes that can confer tolerance/resistance to biotic and abiotic stresses. The morphological, cytological and molecular characterization of eight species was done to study the diversity and phylogenetic relationship among different Mangifera species. In order to study the evolutionary relationship and polymorphism among the mango species, the ITS1/ITS4 gene and partial chloroplast psbH-trnH genes were sequenced. Phylogenetic analysis of the nuclear and chloroplast marker revealed that the M. indica L. is closely related to M. griffithii and M. camptosperma, which belong to subgenus Mangifera. Results indicate that the taxonomic position of M. andamanica should be reconsidered as this species is very close to Bouea oppositifolia which is evident from both ITS and psbAtrnH rDNA analysis. The morphological traits such as tree, leaf, flowers and fruits and palynological and cytology of the genus mango were used to distinguish the species and its phylogentic status. The morphological traits among various species indicate the high level of variability which were further confirmed with ITS sequences and cpDNA. Phylogenetic analysis illustrates that partial chloroplast psbH-trnH gene gave better polymorphism in mango species than nuclear ITS. The pollen morphology and chromosomal counts were also done in certain Mangifera species to study the phylogenetic relationship.Keywords
Chromosome, ITS, Mango, Pollen Grains, psbA-trnH and Phylogenetic Analysis.Full Text
References
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- Varate Giduga (Acc. No. 21067; IC No. 418238) : A unique mango (Mangifera indica L.) variety
Abstract Views :173 |
PDF Views:96
Authors
Affiliations
1 ICAR-Indian Institute of Horticultural Research, Bengaluru - 560 089, IN
1 ICAR-Indian Institute of Horticultural Research, Bengaluru - 560 089, IN
Source
Journal of Horticultural Sciences, Vol 14, No 2 (2019), Pagination: 161-161Abstract
No Abstract.Full Text
- Mangifera camptosperma Pierre, A Wild Relative of Mango Exhibits Ovipositional Antixenosis to Oriental Fruit Fly, Bactrocera dorsalis (Hendel)
Abstract Views :266 |
PDF Views:86
Authors
P. D. Kamala Jayanthi
1,
M. R. Dinesh
2,
M. Sankaran
2,
P. Saravan Kumar
1,
Vivek Kempraj
1,
M. A. Ravindra
1,
D. V. Sudhakar Rao
3
Affiliations
1 Division of Entomology and Nematology, ICAR-Indian Institute of Horticultural Research, Hessaraghatta Lake PO, Bengaluru 560 089, IN
2 Division of Fruit Crops, ICAR-Indian Institute of Horticultural Research, Hessaraghatta Lake PO, Bengaluru 560 089, IN
3 Division of Post-Harvest Technology, ICAR-Indian Institute of Horticultural Research, Hessaraghatta Lake PO, Bengaluru 560 089, IN
1 Division of Entomology and Nematology, ICAR-Indian Institute of Horticultural Research, Hessaraghatta Lake PO, Bengaluru 560 089, IN
2 Division of Fruit Crops, ICAR-Indian Institute of Horticultural Research, Hessaraghatta Lake PO, Bengaluru 560 089, IN
3 Division of Post-Harvest Technology, ICAR-Indian Institute of Horticultural Research, Hessaraghatta Lake PO, Bengaluru 560 089, IN
Source
Current Science, Vol 119, No 3 (2020), Pagination: 433-435Abstract
No Abstract.Keywords
No Keywords.Full Text