Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2014, Vol. 30 ›› Issue (16): 278-281.doi: 10.11924/j.issn.1000-6850.2013-3214

Special Issue: 油料作物

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Population Occurrence Dynamics of Soybean Aphid and Its Natural Enemies in Sanjiang Plain Area in 2013

  

  • Received:2013-12-09 Revised:2014-01-13 Online:2014-06-05 Published:2014-06-05

Abstract: The occurrence of soybean aphid and its natural enemies were investigated in soybean experimental plot in Sanjiang plain area in 2013. The results showed that the incidence beginning period of soybean aphid was from June 3rd to July 1st, the full incidence period was from July 9th to Aug 12th, the paracmasis was from Aug 19th to Sep 16th. 6 natural enemies of soybean aphid were lacewing, Propylea japonica, Harmonia axyridis, syrphid, Orius, Adelphocoris taeniophorus and spider. The peak time of most of natural enemies occurred later than soybean aphid for 7 to 14 day or simultaneously.