Asian Journal of Plant Sciences1682-39741812-5697Asian Network for Scientific Information10.3923/ajps.2007.585.591Fusarium graminearum
]]>J.W. Muthomi J.K. Ndung`u G.N. Chemining`wa J.M. Wagacha 4200764Eight cultivars of wheat that are commonly grown in Nakuru and Nyandarua districts of Kenya were tested for their susceptibility to Fusarium head blight (scab) under green house conditions. The cultivars were inoculated with mixed inoculum derived from three pathogenic isolates of Fusarium graminearum that had previously been isolated from wheat. Head blight severity was assessed using a 1-9 scale based on proportion of spikelets bleached and the area under disease progress curve was derived from the disease severity data. At harvest, kernel weight reduction as compared to the untreated controls was determined. All the 8 wheat cultivars were found to be susceptible but they differed in the level of susceptibility. Disease severity among the cultivars varied from 5-59% while the area under disease progress curve varied from 93-994. Cultivars mbuni and chiriku were the most susceptible, with a grain weight reduction of up to 74%. The results indicate that most of the varieties grown in Nakuru and Nyandarua districts are susceptible to Fusarium head blight. The study indicated that Njoro Bw1 and Njoro Bw2 are the most promising. The resistance trait in these varieties could be useful in Fusarium head blight management.]]>Bai, G.H. and G. Shanner,1996Fusarium graminearum and cultivar resistance to wheat scab.]]>80975979Nganje, W.E., D.A. Bangsund, F.L. Leistritz, W.W. Wilson and N.M. Tiapo,2004Fusarium head blight in wheat and barley.]]>26332347Bai, G., F.L. Kolb, G. Shaner and L.L. Domer,199989343348Bateman, G.L., G. Murray, R.J. Gutteridge and H. Coslkun,1998Fusarium spp. in soil and on brown foot rot in continuous winter wheat.]]>1323547Bateman, G.L. and G. Murray,2001Fusarium species in wheat-field soil.]]>18117128Bateman, G.L.,2005Fusarium culmorum to ear blight of winter wheat.]]>54299307Brennan, J.M., D. 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