Paper Information

Journal:   PERSIAN JOURNAL OF ACAROLOGY   2015 , Volume 4 , Number 3 #S0022; Page(s) 329 To 335.
 
Paper:  OBSERVATIONS ON PREDATION OF RHIZOGLYPHUS ROBINI (ACARI: ACARIDAE) ON THE ALFALFA STEM NEMATODE, DITYLENCHUS DIPSACI (NEMATODA)
 
Author(s):  JOHARCHI OMID*, NAZARI ALI, HALLIDAY BRUCE, OSTOVAN HADI
 
* PLANT PROTECTION DEPARTMENT, ISLAMIC AZAD UNIVERSITY, YAZD BRANCH, YAZD, IRAN
 
Abstract: 

The alfalfa stem nematode, Ditylenchus dipsaci (Kuhn) causes substantial damage to alfalfa crops in Iran every year. Rhizoglyphus robini Claparede is a polyphagous pest of bulbs, corms and tubers, but can be beneficial in some situations. This study examined the effect of R. robini as a predator of D. dipsaci in greenhouse conditions. Pot experiments showed that R. robini caused high mortality of D. dipsaci. The effect of R. robini density on mortality of D. dipsaci was mathematically modeled using the response surface methodology (RSM). These observations suggest that R. robini may contribute to regulate populations of this nematode.

 
Keyword(s): RHIZOGLYPHUS ROBINI, BIOLOGICAL CONTROL, DITYLENCHUS DIPSACI, ALFALFA STEM NEMATODE, PREDATOR
 
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