Journal of Stress Physiology & Biochemistry, Vol. 15 No. 4 2019, pp. 68-75 ISSN 1997-0838
Original Text Copyright (cc) 2019 by  Thounaojam, Meetei, Panda and Upadhyaya

ORIGINAL ARTICLE
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North East India Rice Genotypes: Screening of Arsenic Tolerant and Sensitive Rice at Germinating Stage

Thorny Chanu Thounaojam 1, Thounaojam Thomas Meetei 2, Sanjib Kumar Panda 3, Hrishikesh Upadhyaya 1*

1 Department of Botany, Cotton University, Guwahati-781001, Assam, India.
2 Department of Soil Science and Agricultural Chemistry, Lovely Professional University, Jalandhar, Punjab - 144411
3 Department of Biochemistry, Central University of Rajasthan, Ajmer – 305817, Rajasthan, India.

*E-Mail: drhkubot.cu@gmail.com

Received October 16, 2019

Arsenic (As) accumulation in rice is hazardous to both plant and human because of its toxicity and carcinogenic properties. North-East (NE) rice genotypes (76) were screened at germination stage under As treatments (0, 50 and 100 µM) in order to discover As tolerant and sensitive NE rice genotypes. Results showed a differential response to As with different degree of impact that can be categorized as tolerant, moderately tolerant and sensitive rice genotypes. This study reveals a significant background for the selection of the highest tolerant and sensitive rice genotypes.

Key words:    Arsenic, germination, north east rice, sensitive, tolerant

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