Interspecific competition between granary weevil (Sitophilus granarius (L.)) and rice weevil (Sitophilus oryzae (L.)) in four different cereals

Buğday biti, Sitophilus granarius, ile pirinç biti, S.oryzae, arasındaki türler arası rekabet buğday, arpa, yulaf ve pirinç tanelerinde 27°C sıcaklık ve %70 nemde laboratuar koşullarmda araştırılmıştır. Bu çalışmada replacement metodu olarak adlandırılan rekabet yöntemi kullanılmıştır. Pirinç biti rekabet edilen tüm tahıl tanelerinde buğday bitine göre daha başarılı tür olarak ortaya çıkmıştır. Fakat besin kaynağına bağlı olarak türlerin rekabet etme yeteneğinde değişiklikler olduğu da saptanmıştır. Her iki türün de üreme kapasitelerinin bu rekabetten olumsuz etkilendiği, rekabettin üreme kapasitelerini düşürdüğü tespit edilmiştir.

Dört farklı tahılda beslenen buğdat biti (Sitophilus granaries (L.)) ile pirinç biti (Sitophilus oryzae (L.)) arasında meydana gelen türler arası rekabet

The effect of food source on the outcome of interspecific competition between rice weevil, Sitophilus oiyzae, and granary weevil, Sitophilus granarius and the food source effect on the competitive ability of both species and the effect of interspecific competition on the growth rates of both species were studied in barley, oats, rice and wheat at 27 °C and 70% R.H. by using the replacement series approach. This study predicts that the successful species in interspecific competition in all cereals was the rice weevil regardless of food source while the competitive ability of both species changed according to food source and the growth rates of both species were reduced by competitive interactions.

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Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi-Cover
  • ISSN: 1300-2910
  • Yayın Aralığı: Yılda 3 Sayı
  • Başlangıç: 1985
  • Yayıncı: Tokat Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi Yayın Ofisi