Accumulation of Arsenic in Different Parts of Rice Genotypes from Contaminated Field ConditionJournal: International Journal of Advances in Agricultural Science and Technology (IJAAST) (Vol.5, No. 12)
Publication Date: 2018-12-30
Authors : Minsura Begum; S. Mondal;
Page : 42-47
Keywords : Arsenic; Rice (oryza sativa L.); phosphorus; West Bengal;
According to recent reports, millions of people across the globe are suffering from arsenic (As) toxicity. Arsenic is present in different oxidative states in the environment and enters in the food chain through soil and water. In the agricultural field, irrigation with arsenic contaminated water, that is, having a higher level of arsenic contamination on the top soil, which may affects the quality of crop production. The major crop like rice (Oryza sativa L.) requires a considerable amount of water to complete its lifecycle. Rice plants potentially accumulate arsenic, particularly inorganic arsenic (iAs) from the field, in different body parts including grains. A study was conducted to evaluate rice germplasm for their arsenic content in different plant parts and phosphorus content in grains. Results showed that in the rice plant highest arsenic was accumulated in the roots and the lowest in the grain. The arsenic accumulation follows the order of root>shoot> leaf> grain. The results also revealed that IRRI dhan was quite tolerant to arsenic and Satabdi 1 was susceptible to arsenic accumulation. Results also showed that rice genotypes bore strong positive association between total phosphorus percent with arsenic content in grain.
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