ACTA AGRICULTURAE BOREALI-SINICA ›› 2004, Vol. 19 ›› Issue (4): 96-99. doi: 10.3321/j.issn:1000-7091.2004.04.026

Special Issue: Cotton

Previous Articles     Next Articles

Effects of Liquid Film on Transpiration Characteristics and Water Use Efficiency of Cotton Leaves

YANG Qing-hua, HAN Jin-feng, LIU Hua-shan, WANG Qun   

  1. College of Agronomy, Henan Agricultural University, Zhengzhou450002, China
  • Received:2004-03-12 Published:2004-12-28

Abstract: Effects of liquid film of different concentrations on net photosynthetic rate ( Pn), transpiration rate ( E), stomatal conductance ( Gs), chlorophyll a fluorescence induction kinetics parameters and water use ef- ficiency of cotton leaves were analyzed. The results showed that transpiration rate and stomatic conductance of cotton leaves decreased when liquid film was used in different concentrations. High-concentration liquid film in- creased non-photochemical quenching ( qN)but reduced net photosynthesis rate of cotton leaves. However, rea- sonable-concentration liquid film ( with dilute rate of 40-50)increased water use efficiency by 20. 0%-37. 1% and had no noticeable influence to leaf net photosynthesis rate

Key words: Liquid film, Cotton, Leaf, Transpiration characteristics, Photosynthetic property, Water use efficiency

CLC Number: 

Cite this article

YANG Qing-hua, HAN Jin-feng, LIU Hua-shan, WANG Qun. Effects of Liquid Film on Transpiration Characteristics and Water Use Efficiency of Cotton Leaves[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2004, 19(4): 96-99. doi: 10.3321/j.issn:1000-7091.2004.04.026.

share this article