Air pollution injury in rice plants under kinetin and ascorbic acid spray. | [Pakistan Journal of Scientific and Industrial Research • 1991]

Author(s):

1. M. Anbazhagan: Plant Physiology Laboratoty, Department of Botany, M. S. University Baroda, Baroda, India

2. K. A. Bhagwat: Plant Physiology Laboratoty, Department of Botany, M. S. University Baroda, Baroda, India

Abstract:

Oryza sativa L. cv. GR 3 was grown near to a fertilizer plant which emits SO2. NH3, NO2 and F as major air pollutants. Attempts to obviate air pollution injury by foliar application of kinetin and ascorbic acid at the age of 45-51 days has minimised the foliar injury thereby improving the photosynthetic leaf area. Accumulation of fresh and dry matter of culm was not affected by air pollution under the chemical protectants. However, plant height and panicles length were not improved. All the polluted plants produced an increased number of panicles under the kinetin and ascorbic acid spray with high total dry standing crop. Unfavourable climatic factors during the investigation acted as additional stress to Hamper the productivity.

Page(s): 489-492

DOI: DOI not available

Published: Journal: Pakistan Journal of Scientific and Industrial Research, Volume: 34, Issue: 12, Year: 1991

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