Ceranock for the control of various fruit flies of economic


Russell IPM has developed innovative attractant and kill systems, Ceranock for the control of various fruit flies of economic importance.


Attract and kill technique uses attractant and insecticides to control fruit fly, by luring and subsequently killing them. The target insect come in contact with the source of attraction and get killed or incapacitated upon contact.

 

Ceranock system consists on a powerful female food attractant mixed with the toxicant alphacypermethrin. It is remain active over a period of four months. The entire fruit season can be covered by one application of Ceranock system. It is recommended to be used 8 weeks before fruit colour change. 

Ceranock system has a range of advantages over other available control systems. In fact, Ceranock is an IPM compatible management tool that ensures zero pesticide application directly onto fruit crops without contaminating the environment. It reduces the amount of pesticide application substantially. It allows fruits free from pesticides residues. Therefore, Ceranock bait station can be a real alternative to organophosphate conventional pesticide application.


FIELD TRIAL

 

Effectiveness of Ceranock system was evaluated in Al Mafariq region, Jordan, against C. capitata on 2 peaches varieties (Fire time and Rayan sun).

 

Averages of 400 Ceranock bait stations were hung/ha at a height of 1.5 - 2 meters above the ground level. Ceranock bait stations were placed in the field 4-6 weeks before the change of fruit color. Ceranock bait stations were placed on shady part of the tree to avoid scorching sunlight.

 

McPhail traps baited with male (Trimedlure) and female (Femilure)  C. capitata lure were also used for monitoring and studying the dynamic of Med-fly population in the treated area (center and border) and the outside of plots A (Fire time variety), B (Rayan sun variety) and the control. The experiments were conducted during the period of 1st of July till 30th of September, 2012.

 

Ceranock system efficacy in the control of C. capitata the population dynamic from the border to center of treated areas: 

Ceranock “attract and kill” system has been placed in peach orchard named plots A and B. To evaluate the efficacy of the system in the control of Med-fly, male and female monitoring traps were placed outside, in the border and center area of each experimental plot. Traps catches data were collected weekly. 

A significant difference has been observed among the number of captures between the outside, the border and the center areas for both plots A and B. It is found that the pressure of Med-fly outside the orchard was higher and this is due to the normal presence of the insect (See Figure 7). However, traps near the border trapped 80% and 90% of the total of trapped insect, respectively for plot A and B.  In the center, the numbers of trap catches were negligible. Ceranock system was effective in the control of Med-fly by reducing the insect pressure from the border to the center area.


Monitoring traps catches data
Trap catches data of traps baited with Trimedlure were collected weekly in Ceranock plot A, B and were compared to the control. It has shown a significant difference in the number of trap catches between treatment and control field. In fact, for the plot A, a maximum of 226 flies/trap/week (FTD= 37.66) and has been recorded, however in control field captures were doubled, 440 flies/trap/week (FTD= 73.33) (See Figure 8). Alike for plot B where we noted a maximum of 110 flies/trap/week, (FTD= 18.33) beside 268 flies/trap/week (FTD= 44.66) in control plot (See Figure 8).

 

 

Fruit damages assessment

 

Fruit damages were assessed in treatment area of plot A, B and for control. The number of dropped fruit was counted, then soften fruits were selected and in the laboratory the number of larvae/infested fruit was recorded. To evaluate the total losses, the number of soften fruits that remained on the tree has been also counted. 

It is found significant difference between Ceranock treated plots and control among the percentage of fruit damages. Ceranock treatment showed effective in the reduction of Med-fly damages in both peach varieties and restricted damage level up to 5-6%. However, in control field total damages were observed up to 56% (See Figure9).

 

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