บทคัดย่องานวิจัย

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Quality parameters in small grains from Minnesota affected by Fusarium head blight.

JONES, R.K. and MIROCHA, C.J.

Plant Disease 83 : 506-511.

1999

บทคัดย่อ

Quality parameters in small grains from Minnesota affected by Fusarium head blight.

Recent epidemics of Fusarium head blight (FHB) severely damaged the hard red spring wheat and barley crops in Minnesota.  Samples of commercial grain were analysed in 1993 and 1994 to determine the effects of FHB on several quality parameters.  DON was detected in 493/500 samples with concentrations in the range 0.0 to 44.7 mg/kg.  Scab in wheat could rapidly be estimated using easy-to-prepare visual comparison standards and scores of percent ‘visual scabby kernels’ were correlated with DON concentration at r = 0.897 and 0.908 in 1993 and 1994, respectively.  ‘Wheat test weight’ and ‘thousand kernel weight’ were less effective estimators of DON.