Study on effect of two calypso formulation on codling moth in Azarbayejan-e-Sharqi province, Iran

Subject Areas : Agroecology Journal

Ali Reza Pourhaji ¹ (Scientific Board of Agricultural and Natural Resource Research Center of Azarbayejan-e-Sharqi)

Received: 2007-05-18 Accepted : 2007-08-17 Published : 2007-08-23

Keywords: Codling moth, Azinphos methyl, Calypso, Azarbayejan-e-Sharqi,

Abstract :

Codling moth is one of the most important pests of apple trees and this crop is treated by different pesticides several times each year. In this research, effect of different doses of Calypso (240 0D) () and calypso (480 SC) with 300 ppm dose on codling moth was studied in comparison to Azinphos methyl () and untreated trees. Trial was carried out on one of the apple orchards in Azarbayejan-e-sharqi province in completely randomized block design (CRBD) with 6 treatments and 4 replicates. Falled fruits were sampled one day before and 3, 7, 14 and 25 days after spraying in plots. After 25th day of late spraying, number of infested and uninfested fruits on trees and falled fruits were counted in plots. Effect percent of different treatments was calculated by Schneided-Orelli formulae. In the basis of percent of uninfested fruits and effect percent aspects, there were significant difference between treatments (p<0.01) and in comparison of means, all calypso OD and SC doses settled in level A and AB groups, Azinphos methyl in level B and control in level C groups. Results showed that all doses of two formulations of calypso in comparison to Azinphos methiyl had good effect in declining of codling moth population and application of this new insecticide could be recommended instead of Azinphos methyl and other common insecticides used to control of codling moth. 

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