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. (1379). CHANGES IN GLUTATHIONE S-TRANSFERASE ACTIVITY AND ZEARALENONE CONTENT IN SUSCEPTIBLE AND TOLERANT WHEAT HEADS INOCULATED WITH FUSARIUM GRAMINEARUM, THE CAUSAL AGENT OF FUSARIUM HEAD SCAB. , 11(3), -.
. "CHANGES IN GLUTATHIONE S-TRANSFERASE ACTIVITY AND ZEARALENONE CONTENT IN SUSCEPTIBLE AND TOLERANT WHEAT HEADS INOCULATED WITH FUSARIUM GRAMINEARUM, THE CAUSAL AGENT OF FUSARIUM HEAD SCAB". , 11, 3, 1379, -.
. (1379). 'CHANGES IN GLUTATHIONE S-TRANSFERASE ACTIVITY AND ZEARALENONE CONTENT IN SUSCEPTIBLE AND TOLERANT WHEAT HEADS INOCULATED WITH FUSARIUM GRAMINEARUM, THE CAUSAL AGENT OF FUSARIUM HEAD SCAB', , 11(3), pp. -.
. CHANGES IN GLUTATHIONE S-TRANSFERASE ACTIVITY AND ZEARALENONE CONTENT IN SUSCEPTIBLE AND TOLERANT WHEAT HEADS INOCULATED WITH FUSARIUM GRAMINEARUM, THE CAUSAL AGENT OF FUSARIUM HEAD SCAB. , 1379; 11(3): -.

CHANGES IN GLUTATHIONE S-TRANSFERASE ACTIVITY AND ZEARALENONE CONTENT IN SUSCEPTIBLE AND TOLERANT WHEAT HEADS INOCULATED WITH FUSARIUM GRAMINEARUM, THE CAUSAL AGENT OF FUSARIUM HEAD SCAB

Journal of Sciences, Islamic Republic of Iran
مقاله 2، دوره 11، شماره 3، آذر 2000    اصل مقاله (198.05 K)
چکیده
Glutathione S-transferase (GST) activity pattern was determined in tolerant (cv. Sumai#3) and susceptible (cv. Falat) wheat heads inoculated with Fusarium graminearum, the causal agent of head scab disease (FHB), during various developmental stages. GST specific activity exhibited a transient pattern in Sumai#3 reaching a maximum level at the milk stage and declining thereafter. GST level in Sumai#3 was three times greater than that in the susceptible cultivar. Thin layer chromatography and densitometry were used to measure zearalenone (ZEN) content in FHB-inoculated wheat heads. Zearalenone concentration reached a maximum level in Sumai#3 at the milk stage and thereafter it declined. ZEN content in the susceptible wheat heads continued to increase and reached a maximum level at the ripening stage. There seems to be a correlation between the increased GST activity and significantly lower ZEN production in the tolerant wheat heads.
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