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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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Int.J.Curr.Microbiol.App.Sci.2019.8(6): 1944-1964
DOI: https://doi.org/10.20546/ijcmas.2019.806.232


Morphological Characterization of Some Upland Taro (Colocasia esculenta L. Schott) Cultivars of North-East India
Khatemenla1*, S. Alam1, Deepa B. Phookan1, Prakash Kalita2, Madhumita Barooah3 and Madhumita C. Talukdar1
1Department of Horticulture, Assam Agricultural University, Jorhat-785013, India
2Department of Crop Physiology, Assam Agricultural University, Jorhat-785013, India
3Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat-785013, India
*Corresponding author
Abstract:

Morphological markers were used to characterize 22 taro cultivars collected from four North Eastern states of India. The experiment was laid out in Randomized Block Design with three replications during 2016 and 2017. Results of principal component analysis interpreted that morphological characters like plant height, plant span, leaf area index, number of suckers, number of inflorescence/leaf axis, corm length, corm diameter, corm weight, number of cormels, cormel diameter and yield/plant contributed maximum to the variation among the cultivars and can be used as minimum descriptors for characterizing taro cultivars. The dendrogram summarizing the existence of diversity and similarities among the cultivars revealed that the cultivars were clustered mainly by plant height, petiole colour and corm weight. The cultivars were grouped into two main clusters i.e. ‘CL-I’ and ‘CL-II’. The CL-I consisted of cultivars collected from Assam, Nagaland and Kerela viz. Takali, Muktakesh, Sree Kiran, AAU-Col-32, JCC-31, Damor Dema, Boga Ahina, Kaka, Panch Mukhi, Red Garo, Naga, AAU-Col-39, Ghoti and AAU-Col-5. The CL-II consisted of cultivars collected from Meghalaya, Arunachal and Assam like Garo, Makhuti, AAU-Col-46, Arunachal-2, Koni, Ahina, Karbi Anglong and Bor-Kochu. It was found that geographical origin of the cultivars did not bear any relationship with the cultivar classification. In addition to supporting breeding and germplasm conservation, the data can serve as a baseline for correlation with other types of markers.


Keywords: Taro, Morphological, Markers, Cultivar and diversity
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How to cite this article:

Khatemenla, S. Alam, Deepa B. Phookan, Prakash Kalita, Madhumita Barooah and Madhumita C. Talukdar. 2019. Morphological Characterization of Some Upland Taro (Colocasia esculenta L. Schott) Cultivars of North-East India.Int.J.Curr.Microbiol.App.Sci. 8(6): 1944-1964. doi: https://doi.org/10.20546/ijcmas.2019.806.232