Effects of Foliar Application of Se on Cd and Pb Accumulation in the Leaves and Fruits of Watermelon ZHANG Cui-cui1,CHANG Jie-tian1,ZHAO Peng2

  • Zhang Cuicui ,
  • Chang Jietian ,
  • Zhao Peng
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  • 1. Key Laboratory of National Vocational Backbone College,Henan Vocational College of Agriculture, Zhengzhou 451450,China;
    2. College of Resources and Environmental Science,Henan Agricultural University, Zhengzhou 450002,China

Received date: 2013-06-20

  Revised date: 2013-06-20

  Online published: 2014-10-14

Abstract

Taking watermelon variety Jingxin NO. 1 as the test material and spraying water as the control,0.5,1.0,2.0,4.0,8.0 mg/L Na2SeO3were sprayed on the watermelon leaves respectively,and Se,Cd and Pb content in leaves and fruits of watermelon were dynamically monitored so as to study the effect of foliar application of Se on Cd and Pb accumulation and theirs' metabolism in plants,as well Se's role in alleviating Cd and Pb toxcity. The results showed that: foliar application of Na2SeO3 could mostly promote watermelon's Se absorption at fruit-set period,and 4.0 mg/L and 2.0 mg/L Na2SeO3could obviously inhibit Cd's and Pb's accumulation in watermelon respectively;2.0 - 4.0 mg /L Na2SeO3 could effectively inhibit MDA's accumulation and 1.0 - 8.0 mg /L could promote Se's accumulation( P < 0.01) ; the concentration order of Na2SeO3's effect on inhibiting Cd's accumulation in watermelon was: 4.0 mg/L >2.0 mg/L >1.0 mg/L >0.5 mg/L > 8.0 mg/L > the control, and Pb's accumulation: 2.0 mg /L >1.0 mg/L >0.5 m /L >4.0 mg/L >8.0 mg/L > the control. Therefore, foliar application of Se was an effective way to supplement watermelon's Se content,and 2.0 - 4.0 mg/L Na2SeO3 could increase watermelon's Se content and inhibit the accumulation of Cd and Pb as well.

Cite this article

Zhang Cuicui , Chang Jietian , Zhao Peng . Effects of Foliar Application of Se on Cd and Pb Accumulation in the Leaves and Fruits of Watermelon ZHANG Cui-cui1,CHANG Jie-tian1,ZHAO Peng2[J]. Acta Agriculturae Boreali-Sinica, 2013 , 28(3) : 159 -163 . DOI: 10.3969/j.issn.1000-7091.2013.03.028

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