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The Sunn pest Eurygaster integriceps Puton is the most harmful pest of cereals in Turkey and the surrounding countries. Chemical control has been employed against the nymph stages of the pest. The efficacy of six products [acetamiprid (SL, soluble concentrate), chlorpyrifosethyl (EC, emulsifiable concentrate), lambda-cyhalothrin (CS, capsule suspension), monocrotophos (SC, suspension concentrate), thiacloprid (SC) and zeta-cypermethrin (EC)] was tested on overwintered adults of E. integriceps, with applications to wheat at the shooting stage. In a study conducted at Siverek, Sanhurfa in the southeastern Anatolia Region, the most effective insecticide was found to be lambda-cyhalothrin. It gave very promising results in controlling the pest and reduced subsequent egg laying and the appearance of nymphs in the trial area. The results showed that chemical control of overwintered adults of the Sunn pest in early spring is possible with lambda-cyhalothrin. |
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