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Influence of water stress on antioxidative enzymes and yield of banana cultivars and hybrids.

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Title Influence of water stress on antioxidative enzymes and yield of banana cultivars and hybrids.
 
Creator Krishna Surendar, K., Durga Devi, D., Ravi, I., Jeyakumar, P., Velayudham, K
 
Subject Water deficit, Banana, CAT, APX, SOD, Yield
 
Description The main aim of this field experimental study is to a screening of various banana cultivars and hybrids for water deficit tolerance through antioxidative enzymes and yield. The field experiment was conducted at National Research Centre for Banana to screen the banana cultivars and hybrids for water deficit tolerance and to elucidate information on antioxidative enzymes mechanism correlated with the yield of banana cultivars and hybrids. The methodology of this experiment was analyzed by split-plot design and has two treatments considered as main plot (M) viz., control plot taken as M1 and water deficit plot taken as M2, and also the cultivars and hybrids were considered as sup plots (S). The stress was imposed according to the Available Soil Moisture (ASM) and this ASM was measured by using pressure plate membrane apparatus. The experimental data were significantly varied between the treatments and also cultivars and hybrids. The antioxidative enzymes of catalase, superoxide dismutase, and ascorbate peroxidase were significantly enhanced during water deficit conditions. Among the twelve cultivars and hybrids, Karpuravalli, Karpuravalli x Pisang Jajee, Saba, and Sannachenkathali was identified as tolerant to water stress with highly accelerated by water stress treatment in the range of 23 to 32% over Control in Catalase (CAT), Super Oxide Dismutase (SOD) and Ascorbate Peroxidase (APX) leads to reduced the cellular membrane damaged by reactive oxygen species and get higher yield; whereas, Matti, Pisang Jajee x Matti, Matti x Anaikomban and Anaikomban x Pisang Jajee were notified as sensitive cultivars and hybrids with a lesser increase in antioxidative enzyme activity of 15% than control which leads to getting very low yield.
ICAR, FAO
 
Date 2022-11-14T11:24:40Z
2022-11-14T11:24:40Z
2013-03-01
 
Type Article
 
Identifier K. Krishna Surendar, D. Durga Devi, I. Ravi, P. Jeyakumar and K. Velayudham, 2013. Influence of Water Stress on Antioxidative Enzymes and Yield of Banana Cultivars and Hybrids. Pakistan Journal of Biological Sciences, 16: 1997-2002.
ISSN: 1028-8880
http://krishi.icar.gov.in/jspui/handle/123456789/75107
 
Language English
 
Relation Not Available;
 
Publisher Science Alert (Scialert)