ATTRACTANT AND REPELLENT EFFECT OF EXTRACTS OF WATER AND HEXAN OF CUMIN AND FENNEL SEEDS ON KHABRA BEETLE TROGODERMA GRANARIUM (EVERT)
2012
Wafa abid yehya
Result of attractant and repellent effect at three concentration 1 ,3 and 5 % of water and hexen cumin and Fennel seeds extracts on Khabra larvae feeding on wheat seeds, showed that both extract types had repellent effect at all concentrations in use ,the higher repellent effect was 90 % and balanced power ratio was -251 , when cumin Fennel water extracts were used at 5% ,While the lower repellent effect was 30% and balanced power ratio was –58.33.when Fennel water extract was used at 3%. The general effect of cumin in repellent power effect was higher than Fennel repellent power effect with an average -142.45 , -112.67 respectively , the result also showed that cumin hexan extract caused the higher repellent power effect -146 while Fennel hexan extract scored the lower repellent power effect -111.23 .
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