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Effect of moisture regimes and genotypes on biomass accumulation, radiation interception and its use in wheat (Triticum aestivum)

Indian Agricultural Research Journals

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Title Effect of moisture regimes and genotypes on biomass accumulation, radiation interception and its use in wheat (Triticum aestivum)
 
Creator TRIPATHI, P
TOMAR, S K
ADHAR, SHABD
 
Subject moisture regime, genotype, radiation-use efficiency, biomass, leaf area index, wheat
 
Description A field experiment was carried out during 1994-95 and 1995-96 to study the effect of moisture regimes andgenotypes on biomass accumulation, radiation interception and radiation-use efficiency in wheat (Triticum aestlvum L.emend Fiori & Paol.) at Faizabad. Moisture regime 14 (CRI + late tillering+fowering + milking) being at par with I3 (CRI + latejointing + milking) recorded significantly higher leaf area index at 75-105 day after sowing over I1 (CRI) and I2 (CRI + flowering). Significantly higher biomass, absorbed photosynthetically active radiation and radiation-use efficiencywere recorded with 14 moisture regime over those of l3 12 and I1. However, difference between I2 and I3 moisture regimes was not perceptible in respect of biomass accumulation. Among the genotypes tested, 'HD 2285' wheat being at par with 'HP 1633' recorded significantly higher leaf area index than 'HUW 234' from 75-90 days after sowing during both the years. 'HP 1633' and 'HUW 234' were found identical in respect of leaf area index at most oftne crop stages. 'HD 2285' recorded significantly higher biomass (831.1 and 949.5 g/m2), absorbed photosynthetical active radiation (412.1 and 522.9 MJ) and radiation-use efficiency (1.69 and 1.48 g/MJ) over 'HP 1633' during both the years.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-03-04
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/28009
 
Source The Indian Journal of Agricultural Sciences; Vol 70, No 2 (2000)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/28009/12705
 
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