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Uniyal, P. L.
- Soil Physico-chemical Characteristics of Bryophytic Vegetation Residing Kedarnath Wildlife Sanctuary (KWLS), Garhwal Himalaya, Uttarakhand, India
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PDF Views:162
Authors
Affiliations
1 Department of Botany, HNB Garhwal University, Srinagar Garhwal – 246 174, Uttarakhand, IN
2 Department of Botany, University of Delhi, Delhi – 110 007, IN
3 Plant Exploration and Germplasm Conservation Division, NBPGR, Pusa Campus, New Delhi, IN
1 Department of Botany, HNB Garhwal University, Srinagar Garhwal – 246 174, Uttarakhand, IN
2 Department of Botany, University of Delhi, Delhi – 110 007, IN
3 Plant Exploration and Germplasm Conservation Division, NBPGR, Pusa Campus, New Delhi, IN
Source
Indian Journal of Science and Technology, Vol 5, No 4 (2012), Pagination: 2547-2553Abstract
The present study was undertaken at eight different sites of Kedarnath Wildlife Sanctuary (KWLS) of Garhwal Himalaya, India to understand the physico-chemical properties of soils and influence of bryophytic communities on the status of nutrient availability. In the bryophytes dominated sites the values of organic carbon (0.21%) and nitrogen (0.04%) were found to be low as compared to values for forest soils dominated by higher plants which suggests that bryophytes prefer to occupy the barren sites with low organic matter. Mean available phosphorus content in soil of various sites varied between 13.02 Kgha-1 and 16.28 Kgha-1 with estimated mean exchangeable potassium content ranged between 145.60 Kgha-1 and 216.16 Kgha-1. A significant negative correlation between soil temperature and moisture content was observed, whereas organic carbon and available phosphorus exhibited significantly positive correlation. Besides the characteristics of soil underneath the bryophytic vegetation, the study also highlights the kind of bryophytes communities found along altitudinal variation and soil types.Keywords
Liverworts, Hornworts, Mosses, Potassium, Phosphorus, Nitrogen, Carbon, Nutrient AvailabilityReferences
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- Bahuguna YM, Gairola S, Semwal DP, Uniyal PL and Bhatt AB (2012) Bryophytes and Ecosystem. In: Paliwal GS, Kumar M, Gupta RK (eds.), Biodiversity of Lower Plants, I.K. International Publishing House Pvt. Ltd, New Delhi, India, (In Press).
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- Gairola S, Sharma CM, Rana CS, Ghildiyal SK and Suyal S (2010) Phytodiversity (Angiosperms and Gymnosperms) in Mandal-Chopta forest of Garhwal Himalaya, Uttarakhand, India. Nature & Sci. 8(1), 1-17.
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- Semwal DP, Uniyal PL, Bahuguna YM and Bhatt AB (2009) Soil nutrient storage under different forest types in a part of central Himalayas, India. Ann. For. 17(1), 43-52.
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- Sharma CM, Ghildiyal SK, Gairola S and Suyal S (2009) Vegetation structure, composition and diversity in relation to the soil characteristics of temperate mixed broad-leaved forest along an altitudinal gradient in Garhwal Himalaya. Indian J. Sci. Technol. 2(7): 39-45.
- Sharma CM, Baduni NP, Gairola S, Ghildiyal SK and Suyal S (2010a) The effect of slope aspects on forest compositions, community structures and soil properties in natural temperate forests in Garhwal Himalaya. J. Forestry Res., 21(3), 331–337.
- Sharma CM, Gairola S, Ghildiyal SK and Suyal S (2010b) Physical properties of soils in relation to forest composition in moist temperate valley slopes of the Central Western Himalaya. J. Forest Sci. 26(2), 117-129.
- Sharma CM, Suyal S, Ghildiyal SK and Gairola S (2010c) Role of Physiographic factors in distribution of Abies pindrow (Silver Fir) along an altitudinal gradient in Himalayan temperate Forests. Environmentalist.30(1), 76-84.
- Sharma CM, Gairola S, Baduni NP, Ghildiyal SK and Suyal S (2011) Variation in carbon stocks on different slope aspects in seven major forest types of temperate region of Garhwal Himalaya, India. J. Biosciences. 36(4), 701-708.
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- Taxonomic Implication of Conducting Elements in the Acrocarpous Mosses
Abstract Views :236 |
PDF Views:132
Authors
Affiliations
1 Department of Botany, University of Delhi, Delhi 110 007, IN
1 Department of Botany, University of Delhi, Delhi 110 007, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 51 (2009), Pagination: 183-190Abstract
Present study deals with the structure and development of conducting elements in the nine orders of acrocarpous mosses. The significance of conducting tissues in mosses in relation to their habitat conditions, growth forms and leaf cell patterns has been discussed. Features of cells in different portions of the stem and the laminal cell patterns and costa are taken into consideration. Although water-conducting cells are unspecialized in mosses, yet the study shows that they seem to play a vital role in the conduction and provide additional criteria for the distinction of taxa. Four categories have been determined as (i) Acrocarpous mosses with a distinct thick-walled conducting strand (6-7 layered) as hydrome which is surrounded by patches of leptoids. Cortex consists of thick walled cells (6-10 layered). Costa has stereidal cells and well developed conducting elements in leaf, example Polytrichum (ii) Acrocarps with thick-walled, narrow, elongated conducting strand (4-5 layered), cells angular in the cortex (6-8 layered). Leaf cells are rectangular, irregular and porous with incrassate walls, example Dicranum (iii) Acrocarps with conducting tissue (2-5 layered) stereidal, thick walled or thin walled varying in the course of development. Leaf cells are mutipapillate, rounded-quadrate, costa is present, examples Hyophila, Philonotis and (iv) Epiphytic pleurocarps with conducting cells rudimentary, thickened, scattered (2-4 layers) and parenchymatous, cortical cells (2-3 layered) thick walled. Leaf cells are small, rounded or linear and papillate, costa may be present or absent, example Leucodon. The study would constitute a formidable task, especially if intraspecific structural variability is considered. It serves a model system in the eco-physiological aspects.Keywords
Ectohydric, Endohydric, External Conduction, Leaf Cell Pattern, Stereidal Cells.- Ephedra sumlingensis (Ephedraceae) - A New Species from Himachal Pradesh, India
Abstract Views :159 |
PDF Views:98
Authors
Affiliations
1 Department of Botany, University of Delhi, Delhi - 110 007, IN
1 Department of Botany, University of Delhi, Delhi - 110 007, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 50, No 1-4 (2008), Pagination: 179-182Abstract
No Abstract.- Callus-Mediated Organogenesis in Lilium polyphyllum D. Don ex Royle:A Critically Endangered Astavarga Plant
Abstract Views :260 |
PDF Views:95
Authors
Affiliations
1 Botanical Survey of India, Northern Regional Centre, Dehradun 248 195, IN
2 Department of Botany, Delhi University, New Delhi 110 021, IN
1 Botanical Survey of India, Northern Regional Centre, Dehradun 248 195, IN
2 Department of Botany, Delhi University, New Delhi 110 021, IN
Source
Current Science, Vol 113, No 05 (2017), Pagination: 946-951Abstract
Lilium polyphyllum D. Don ex Royle (Liliaceae) is a critically endangered herbaceous perennial, commonly known as white lily or Ksheer kakoli. Bulbs of the plant are of immense medicinal use and have a stringent and anti-inflammatory properties. Over exploitation of the species from the wild and degradation of habitats are posing threats to its existence. In the present study, a protocol was standardized for micropropagation and mass multiplication of the species from scale leaves. Callusing was induced in basal MS medium containing 2,4-D (6.78 μM) and BAP(4.4 μM), where maximum effect (95.32%) was recorded. Maximum shooting (97.45%) was found in the calluses when shifted to MS medium fortified with BAP (4.4 μM), NAA (0.53 μM) and GA3 (20 ppm) with an average of 19.2 shoots/per culture. The well developed in vitro regenerated shoots were shifted to the ischolar_maining medium and 100% ischolar_maining was achieved in half-strength MS basal medium enriched with IBA(9.8 μM). The in vitro regenerated plant lets were shifted to a glasshouse for acclimatization and finally transferred to the open environment with 85% success.Keywords
Callusing, Lilium polyphyllum, Micro-Propagation, 0rganogenesis.References
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