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Shankhdhar, S. C.
- Enrichment of 65Zn in Two Contrasting Rice Genotypes Under Varying Methods of Zinc Application
Abstract Views :83 |
PDF Views:73
Authors
Affiliations
1 Department of Plant Physiology, College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, IN
2 Department of Soil Science, College of Agriculture, G.B. Pant University of Agriculture and Technology, Pantnagar, IN
3 Indian Institute of Soil Science, Nabibagh, Bhopal, IN
4 Department of Plant Physiology, College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, 263145 Pantnagar, IN
1 Department of Plant Physiology, College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, IN
2 Department of Soil Science, College of Agriculture, G.B. Pant University of Agriculture and Technology, Pantnagar, IN
3 Indian Institute of Soil Science, Nabibagh, Bhopal, IN
4 Department of Plant Physiology, College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, 263145 Pantnagar, IN
Source
Plant, Soil and Environment, Vol 60, No 3 (2014), Pagination: 111–116Abstract
Zinc (Zn) is an essential micronutrient for growth and development of almost all organisms and its deficiency severely affects the health of plants, animals and humans. In order to investigate the enrichment of Zn in cereals a pot experiment was performed in two contrasting rice varieties viz., PD16 (zinc efficient) and NDR359 (zinc inefficient) under different levels of zinc regimes such as control (0 Zn), soil application (5 mg Zn/kg soil tagged with 3.7 MBq of 65Zn/pot), foliar spray of 0.5% ZnSO4 at 30, 60 and 90 days (925 KBq of 65Zn/pot), soil application (5 mg Zn/kg soil tagged with 3.7 MBq of 65Zn/pot) + foliar spray of 0.5% ZnSO4 at 30, 60 and 90 days (925 KBq of 65Zn/pot). Both varieties markedly differ in 65Zn accumulation and grain Zn content. NDR359 showed poor translocation efficiency and accumulated relatively less 65Zn in all the plant parts. In both rice varieties, highest concentration of Zn in dehusked grains could be obtained with soil application of Zn + foliar spray of zinc sulphate. Though NDR359, a zinc inefficient variety exhibited poor zinc translocation efficiency yet, it contained more Zn content in grains with husk and dehusked grains than PD16.Keywords
Zinc Uptake, Translocation, Accumulation, Rice Grains.Full Text
References
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- Zinc Enrichment in Wheat Genotypes under Various Methods of Zinc Application
Abstract Views :338 |
PDF Views:85
Authors
Affiliations
1 Department of Plant Physiology, College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, IN
2 Department of Soil Science, College of Agriculture, G.B. Pant University of Agriculture and Technology, Pantnagar, IN
1 Department of Plant Physiology, College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, IN
2 Department of Soil Science, College of Agriculture, G.B. Pant University of Agriculture and Technology, Pantnagar, IN
Source
Plant, Soil and Environment, Vol 61, No 4 (2015), Pagination: 171-175Abstract
Around half of the cereal growing soil in the world are zinc (Zn)-deficient and it severally affects the health of plants, animals and humans. In order to investigate the enrichment of Zn in cereals a pot experiment was conducted in two contrasting wheat genotypes viz., UP2628 (Zn efficient) and UP262 (Zn inefficient) under different methods of Zn application such as control (0 Zn), soil application (5 mg Zn/kg soil tagged with 3.7 MBq of 65Zn/pot), foliar spray of 0.5% ZnSO4 at 30, 60 and 90 days (tagged with 925 KBq of 65Zn/pot), soil application (5 mg Zn/kg soil tagged with 3.7 MBq of 65Zn/pot) + foliar spray of 0.5% ZnSO4 at 30, 60 and 90 days (tagged with 925 KBq of 65Zn/pot). Cultivars showed marked difference in 65Zn accumulation and grain Zn content. In both contrasting genotypes the highest Zn content in grains was recorded under soil application + foliar spray of Zn fertilizers. Both UP262 and UP2628 showed similar accumulation of 65Zn in leaves however, UP2628 exhibited better translocation efficiency and accumulated higher 65Zn in stem and grains than UP262.Keywords
Triticum aestivum L., Zinc Deficiency, Zinc Availability, Micronutrient, Nutritional Quality.Full Text