Responses of soybean cyst nematode Heterodera glycines to macroelement and microelement compounds

Y. Zheng, Y. Duan, Senyu Chen, J. Sun, L. Chen

Research output: Contribution to journalReview articlepeer-review

Abstract

A variety of macroelement and microelement compounds were tested against the soybean cyst nematode (SCN), Heterodera glicines, in vitro and in vivo on soybean. In vitro, KH2PO4 was the best compound to reduce the number of surviving J2 and achieve the lowest value of LC50 (0.01M) and LC90 (0.03M) among the macroelement treatments. Almost all the tested compounds significantly inhibited the hatching of SCN, except for ZnSO4· 7H2O. Among the microelement treatments, FeCl3· 6H2O was the best one to inhibit J2 survival with the lowest value of LC50 (0.0004M) and LC90 (0.001M). All the tested compounds significantly inhibited the hatching of SCN and all inhibitions were over 90%. All treatments improved the growth of root and the application of (NH4) 2HPO4 gave the best root growth (dry and fresh weighs). In glasshouse, all treatments were significantly effective in reducing the reproduction of SCN. FeCl3·6H2O was the best treatment for suppressing cyst production and achieving the highest percentage of nematode inhibition (72.54%).

Original languageEnglish (US)
Pages (from-to)172-180
Number of pages9
JournalBulgarian Journal of Agricultural Science
Volume16
Issue number2
StatePublished - Apr 1 2010

Keywords

  • Compound
  • Inhibition
  • Macroelement
  • Microelement
  • Soybean cyst nematode (SCN)

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