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Phosphorus and zinc uptake efficiency of potato (Solanum tuberosum) in comparison to wheat (Triticum aestivum), maize (Zea mays) and sunflower (Helianthus annuus)

Indian Agricultural Research Journals

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Title Phosphorus and zinc uptake efficiency of potato (Solanum tuberosum) in comparison to wheat (Triticum aestivum), maize (Zea mays) and sunflower (Helianthus annuus)
 
Creator TREHAN, S P
SHARMA, R C
 
Subject phosphorus and zinc uptake efficiency, nutrient influx, root/shoot ratio, plant species
 
Description An experiment was conducted during 1997 and 1998 to find out the plant parameters responsible for differentialphosphorus and zinc uptake efficiency in potato{Solanum tuberosum L.), wheat (Triticum aestivum L. emend. Fiori &Paol.). maize (Zea mays L.) and sunflower (Helianthus annuus L.). Relative shoot dry weight without phosphorusexpressed as per cent of shoot dry weight with phosphorus application was 38, 16 and 19% for potato, wheat andsunflower respectively. This showed that potato was more phosphorus efficient than wheat and sunflower. In theabsence of phosphorus, the influx of phosphorus in potato was 13.5 (10-15 mol/s/cm) which was three times more thanwheat and about two times more than sunflower. Relative shoot dry-matter yield without zinc expressed as per cent ofyield with adequate zinc was 64, 57 and 130% for potato, maize and sunflower respectively indicating that sunflowerwas most zinc efficient plant. The phosphorus and zinc uptake efficiency of plants were positively related to theirnutrient influxes but not with root/shoot ratio of the plant species.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-04-02
 
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/28754
 
Source The Indian Journal of Agricultural Sciences; Vol 70, No 12 (2000)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/28754/13015
 
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