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Effects of Nitrogen Limitation on Antioxidant Enzymes, Chlorophyll Content and Grain Yield of Rice Genotypes

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Title Effects of Nitrogen Limitation on Antioxidant Enzymes, Chlorophyll Content and Grain Yield of Rice Genotypes
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Creator T. V. Kiran , P. Vijayalakshmi , Y. V. Rao , K. N. Swamy , R. Kondamudi , B. Srikanth, I. Subhakar Rao D. Prema Latha , M. Suchandranath Babu , C. N. Neeraja, K. Surekha, V. Jaldhani , P. R. Rao , D. Subrahmanyam , L. V. Subbarao and S. R. Voleti
 
Subject Rice; nitrogen; antioxidant enzymes; grain yield.
 
Description Not Available
Nitrogen is one of the important elements for rice production. Nitrogen utilization was rapidly increased from the time of green revolution, which resulted in environmental hazards. Increasing rice yield with optimized usage of fertilizers has become important for sustainable agriculture. A field study was conducted to study the effects of nitrogen limitation on antioxidant enzymes, chlorophyll content and yield of four rice genotypes. Nitrogen limitation has increased the antioxidant activity and membrane lipid peroxidation of the studied genotypes and reduced leaf chlorophyll, yield components and nitrogen uptake. Grain yield and total dry matter were positively associated with plant nitrogen uptake under both the nitrogen levels. Among the studied genotypes, narendradhan 359 showed relatively higher antioxidant activities, leaf thickness, higher grain yield, while pooja
showed low yields under due to limited N conditions with lower grain yields efficiency. Among the studied genotypes narendradhan 359 could be chosen for further yield increment under limited nitrogen conditions.
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Date 2018-12-13T06:33:16Z
2018-12-13T06:33:16Z
2016-09-01
 
Type Journal
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/15906
 
Language English
 
Relation Not Available;
 
Publisher sci