Screening of Different Wheat CuRivers (Flour) Against the Attack of Tribolium castaneum Herbst (Coleoptera: Tenebrionidae) Under Laboratory Conditions
Nine wheat cultivars (Rawal 87, Inqilab 91, Khyber 87, Sariab 92, Bakhtawar, Chakwal 86, Faislabad 85, C591 and Pak 81) were screened against Tribolium castaneum using 3 tests (free choice, confinement and antixenosis) in the Department of Entomology, University of Arid Agriculture, Rawalpindi during 1999-2000. It was concluded that keeping Chakwal 86 as (susceptible/ check), Sariab 92 and Bakhtawar were found to be highly susceptible. Inqilab 91, Khyber 87, Faisalabad 85 were not significantly different from the standard Chakwal 86. Rawal 87 and Pak 81 turned out to be partially resistant. C591 turned out to be susceptible to partially resistant against Red FlourBeetle (RFB). The results showed that there was variability in different wheat cultivars and none of them found to be completely resistant. Although complete immunity was not possible, yet some of the genetic traits could be incorporated for evolving varieties which possess resistant characters. The present results also show that as susceptible variety is highly preferable, so it can be used as a quick and mass laboratory culture of RFB, which may be needed in other scientific experiments.
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