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Sekhar, Nagothu Udaya
- Assessment of Climate Change Impact on Rice Using Controlled Environment Chamber in Tamil Nadu, India
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Authors
Affiliations
1 Tamil Nadu Agriculture University, Coimbatore 641 003, IN
2 Bioforsk, Norwegian Institute for Agricultural and Environmental Research, Fr. A. Dahlsvei 20, NO-1430 Ås, NO
1 Tamil Nadu Agriculture University, Coimbatore 641 003, IN
2 Bioforsk, Norwegian Institute for Agricultural and Environmental Research, Fr. A. Dahlsvei 20, NO-1430 Ås, NO
Source
Current Science, Vol 112, No 10 (2017), Pagination: 2066-2072Abstract
Impacts of elevated temperature and carbon dioxide (CO2) enrichment on rice were assessed by carrying out an experiment with four dates of planting (1 June and 15 June, 1 and 15 July) during 2014 under two different environmental conditions, viz. ambient and modified (climate control chamber) with +4°C compared to the ambient temperature and CO2 enrichment of 650 ppm. Crops grown under modified environment recorded reduced growth characters (leaf area index, dry matter production, number of tillers m-2), lesser dry matter partitioning towards grain, yield attributes (number of productive tillers m-2, number of filled grains panicle-1) and lower grain yields compared to those grown under ambient condition. Crops subjected to elevated temperature and enriched CO2 attained panicle initiation, flowering and maturity earlier than those under open ambient condition.Keywords
Ambient and Modified Environment, Climate Change Impact, Elevated Temperature, Enriched Carbon Dioxide, Rice.Full Text
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