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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(12): 1385-1397
DOI: https://doi.org/10.20546/ijcmas.2018.712.166


Morphological Studies on the Suitability of Clerodendrum inermi, Leucophyllum frutescens and Acalypha hispida Shrubs for use in Landscaping under Salinity Conditions
Kathari Lakshmaiah1*, P. Aruna1, M. Ganga1 and K. Arulmozhiselvan2
1Department of Floriculture and Landscape Gardening, Tamil Nadu Agricultural University, Coimbatore, India
2Department of Soil Science, Tamil Nadu Agricultural University, Coimbatore, India
*Corresponding author
Abstract:

An experiment was conducted at the Botanic Gardens, Department of Floriculture and Landscaping, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore during 2015-2016. The present study pertains to the effect of salt stress on three ornamental shrubs of Clerodendrum inerme, Leucophyllum frutescens and Acalypha hispida and their suitability for salinity condition. Ten saline treatments were taken viz., 6, 12, 18, 24, 30, 36, 42, 48, 54dS/m and0.04 dS/m (Control). The treatments were imposed by irrigating the plants with desired amount of NaCl dissolved in irrigation water. Plants were watered on alternate days (1 litre plant-1) to simulated salinity conditions as seen near coastal belt. The observations were recorded on morphological characters, Clerodendrum and Leucophyllum were tolerant to salinity. Leucophyllum and Clerodendrum experienced a strong reduction in growth and a delay in flowering but no toxicity symptoms or mortality was recorded. These species were found to be moderate NaCl accumulators. Acalypha was sensitive to salinity, as 50% of the plants exhibited mortality and the surviving ones experienced a heavy reduction of growth and increased accumulation of NaCl in the leaves. At higher salt levels, morphological parameters including plant height, root length, number of leaves, leaf thickness, and plant spread were significantly reduced for all the plant species. However, in Leucophyllum and Clerodendrum, NaCl caused slight decrease only in the morphological parameters as compared with Acalypha.


Keywords: Salinity, Morphological parameters, Salt concentrations, NaCl
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How to cite this article:

Kathari Lakshmaiah, P. Aruna, M. Ganga and Arulmozhiselvan, K. 2018. Morphological Studies on the Suitability of Clerodendrum inermi, Leucophyllum frutescens and Acalypha hispida Shrubs for use in Landscaping under Salinity Conditions.Int.J.Curr.Microbiol.App.Sci. 7(12): 1385-1397. doi: https://doi.org/10.20546/ijcmas.2018.712.166