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Singh, K. P.
- Role of Provenance Trials in the Study of Population Differentiation
Abstract Views :169 |
PDF Views:99
Authors
Affiliations
1 Banaras Hindu University, Varanasi, IN
2 Kurukshetra University, Kurukshetra, IN
1 Banaras Hindu University, Varanasi, IN
2 Kurukshetra University, Kurukshetra, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 10, No 3-4 (1968), Pagination: 312-318Abstract
Wide distribution of many Linnean species across climatic, edaphic and biotic barriers may be either due to a wide ecological amplitude of the species as such, or to the presence of a number of distinct local populations, well adapted to the respective ecoclimates. These populations may show continuous variation along an envirormental gradient (ecocline) or discontinuous variation (ecotypes). The morphological or physiological adaptive characters are genetically fixed. Although a number of genecological techniques have been developed in the recent past, to differentiate such ecologic populations, the provenance trial technique has gained much importance. In the present communication the technique as well as some important results obtained through its use, both within and outside India, have been briefly discussed.Full Text
- On the Species of Buellia and Diplotomma from Manipur, India
Abstract Views :183 |
PDF Views:125
Authors
K. P. Singh
1,
S. P. Singh
2
Affiliations
1 Botanical Survey of India, Shillong, IN
2 Department of Botany, Jai Narain Degree College, Lucknow, IN
1 Botanical Survey of India, Shillong, IN
2 Department of Botany, Jai Narain Degree College, Lucknow, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 26, No 1-2 (1984), Pagination: 62-64Abstract
The paper reports the occurrence of 15 species of Buellia and 5 species of Diplotomma from Manipur, India. Out of these, 2 species viz.-Buellia conspirans and Diplotomma chlorophaea are new records for India and therefore, are described in detail. Diplotomma chlorophaea is made a new combination. A key to the all species is also provided to facilitate their identification in the area.Full Text
- Lichen Genus Phaeographis from India and Sri Lanka
Abstract Views :204 |
PDF Views:127
Authors
K. P. Singh
1,
D. D. Awasthi
1
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 21, No 1-4 (1979), Pagination: 97-120Abstract
The paper deals with 28 species of the genus Phaeographis occurring in India and Sri Lanka (Ceylon). Two new species-P. nilgiriensis, P. hypoglaucoides-and two new varieties-P. platycarpa var. indica and P. marcescens var. megaspora-have been described. Graphis extrusula Stirt. has been reduced to a variety of Phaeographis extrusa (Stirt.) Zahlbr. and P. megistocarpa f. rotundata Leight. has been considered conspecific to P. megistocarpa (Leight) Mull.-Arg.Full Text
- Two Parmeliae (Lichens) New to India
Abstract Views :149 |
PDF Views:108
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 20, No 1-4 (1978), Pagination: 173-173Abstract
No Abstract.Full Text
- Studies on Lichens in Botanical Survey of India
Abstract Views :181 |
PDF Views:113
Authors
Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 19, No 1-4 (1977), Pagination: 307-308Abstract
No Abstract.Full Text