Paper Information

Journal:   JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE)   SPRING 2009 , Volume 3 , Number 9; Page(s) 89 To 102.
 
Paper: 

CONCOMITANT USE OF CARBON DIOXIDE AND PHOSPHINE TO CONTROL THE INDIAN MEAL MOTH (PLODIA INTERPUNCTELLA HUBNER.) AT DIFFERENT LIFE STAGES

 
 
Author(s):  BEIKPOUR A.*, SHAYESTEH N., KAZEMI M.H., SADEGHI R.
 
* URMIA UNIVERSITY
 
Abstract: 

New methods, like simultaneous use of carbon dioxide and phosphine, are used in integrated pest management programs. These procedures will reduce adverse effects of phosphine and improve rapidity of stored product pest control. The efficiency, penetrating ability of these two fumigants and different concentrations of phosphine in 50% carbon dioxide of atmosphere on developmental stages of the Indian meal moth, Plodia interpunctella Hbner. were studied. This species was reared at 27±1oC temperature, 70±5% relative humidity and 12:8 h (D:L) photoperiod. Then they were put three depths in to galvanized reservoirs of wheat with 30 cm distances, then filled with wheat and added different amounts of phosphine in the form of ammonium phosphide to reservoirs. 50% of reservoir volume was injected by Carbon dioxide. Based on data recording after three days LC50s for adults, eggs, larvae and pupae of P. interpunctella were calculated to be 85.14, 171.75, 160.1 and 123.99 ppm, respectively, and in empty reservoirs were 69.74, 151.90, 123.30 and 106.02 ppm, respectively. Differences of mortalities in bottom, middle and top of reservoirs were not significant (P<0.01). In other words, phosphines associated with 50% of carbon dioxide have appropriate distribution and penetration ability in reservoirs.

 
Keyword(s): CARBON DIOXIDE, CONCOMITANT USE, CONTROL, INDIAN MEAL MOTH, PHOSPHINE
 
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