Field efficacy of some chemical and natural compounds for control of the snail Helicella candaharica

Document Type : Research Paper

Authors

Department of Plant Protection, Sari Agricultural Sciences and Natural Resources University, Sari, Iran

Abstract

The snail, Helicella candaharica (Pulmonata: Hygromiidae) is one of the most important terrestrial mollusk pest of field and orchards in Mazandaran province. The aim of this study was investigating the efficacy of different treatments in control of H. candaharica in lettuce and tomato fields. The treatments were copper sulfate (2.1 g/m2), metaldehyde (2.7 g/m2), Ferricol® (4 g/m2), Cuprex® (1 ml/m2) and two sawdust treatments; a 15-cm barrier was created around the half of the plants in first sawdust treatment and around the all of the plants in second sawdust treatment. 840 and 1350 snails were released within the plots in first and second field experiments, respectively. The results indicated more efficacy of Ferricol® in comparison with the other treatments in both lettuce (78.3%) and tomato (80.2%) field experiments at 21 days after treatment. The Cuprex® was ranked as the next treatment where its effectiveness was 48.3% in lettuce and 59.9% in tomato field. The metaldehyde treatments were more effective in tomato (55.7%) than lettuce (33.7% control) field. There was no significant difference between sawdust (average of 36%) and copper sulfate (average of 38% effectiveness) treatments. The results of this study demonstrated the appropriate ability of Ferricol® for replacement of the current chemical molluscicide, metaldehyde.

Keywords

References

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Plant Pest Research
Volume 10, Issue 1
June 2020
Pages 31-40

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History

  • Receive Date: 15 June 2020
  • Accept Date: 15 June 2020

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