|Table of Contents|

Effect of P2O5 on Photosynthetic Physiology of Soybean Cultivars with Different Quality Types(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2012年02期
Page:
232-236
Research Field:
Publishing date:

Info

Title:
Effect of P2O5 on Photosynthetic Physiology of Soybean Cultivars with Different Quality Types
Author(s):
XIE Fu-tiSUN Hai-shuZHANG Hui-junWANG Hai-yingAO XueYU Cui-meiCHENG Hai-tao
Agronomy College of Shenyang Agricultural University,Shenyang 110866,Liaoning,China

Keywords:
PhosphorusSoybeanLeaf photosynthetic rateStomatal conductanceLAI
PACS:
S565.1
DOI:
10.3969/j.issn.1000-9841.2012.02.014
Abstract:
Six semi-determinate soybean cultivars of three seed quality types(common,high oil and high protein)were used to study the effect of different P2O5amount(0,82.5,165.0 kg·ha-1)on soybean photosynthetic physiological indexes.The results showed that phosphorus level significantly affected photosynthetic rate(Pn),stomatal conductance(Gs),transpiration rate(Tr),LAI and water use efficiency(WUE)of different quality type soybeans from flowering to grain-filling.And the photosynthetic physiological indicators improved under phosphorus treatment.In addition,in later growth stage the photosynthetic physiology indexes had a slow falling rate under phosphorus treatment,and the high-protein type had the lowest descending rate under high phosphorus(165.0 kg·ha-1)treatment.

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Last Update: 2014-08-15