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Indian Journal of Pure & Applied Biosciences (IJPAB)
Year : 2017 , Volume 5, Issue 4
Page No. : 466-475
Article doi: : http://dx.doi.org/10.18782/2320-7051.2624
Agro-Morphological Characterization of Rice (Oryza sativa L.) Landraces Based on DUS Descriptors
E. Umarani1*, K. Radhika1, V. Padma1 and L. V. Subbarao2
1College of Agriculture, PJTSAU, Rajendranagar, Hyderabad - 500030
2Crop Improvement Section, Indian Institute of Rice Research, Rajendranagar, Hyderabad-500030
*Corresponding Author E-mail: umaranierrabelli@gmail.com
Received: 22.02.2017 | Revised: 4.03.2017 | Accepted: 6.03.2017
ABSTRACT
In the present investigation, characterization of seventy landraces of rice was carried out based on fourteen DUS characters. Out of fourteen characters under study, stem anthocyanin colouration of node was dimorphic. Three traits viz., spikelet colour of stigma, stem length and panicle exsertion were trimorphic. Basal leaf sheath colour, time of heading (50 % plants with panicles), flag leaf attitude (late observation), panicle length, decorticated grain length and shape were tetramorphic and lemma anthocyanin colouration of apex and amylose content showed five states of expression and based on decorticated grain colour six groups were made.
Keywords: Agro-morphological, Characterization, DUS descriptors, Rice, Landraces.
Full Text : PDF; Journal doi : http://dx.doi.org/10.18782/2320-7051.2624
Cite this article:
Umarani, E., Radhika, K., Padma, V. and Subbarao, L.V., Agro-Morphological Characterization of Rice (Oryza sativa L.) Landraces Based on DUS Descriptors, Int. J. Pure App. Biosci. 5(4): 466-475 (2017). doi: http://dx.doi.org/10.18782/2320-7051.2624
