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Rhizoctonia solani 11个融合群及亚群共17个菌株对Cu、Fe、Zn、B四种微量元素敏感性的试验表明:当处理浓度为5mM时(此浓度下各微量元素间对立枯丝核菌抑制作用差异显著),不同融合群对4种微量元素的相对敏感性不同,而同一融合群不同菌株问敏感性的趋向一致.从对同一种量微元素不同浓度的敏感性趋势看,在不同菌株间有的相似,有的差异较大,但与融合群类群无相关性.如从微量元素对菌的抑制效果看,则以Cu最强,Zn稍次,Fe再次.B的抑制作用最弱,即使在5mM浓度下也只对AG—1、AG—7和AG—BI有一定抑制作用.
The sensitivity of Cu, Fe, Zn and B to trace elements in 11 strains of Rhizoctonia solani and 17 strains of subgroups showed that when the concentration was 5mM, The difference of the inhibitory effect was significant), the relative sensitivity of different fusion groups to the four trace elements was different, but the sensitivity of different strains of the same fusion group tended to be the same.As for the sensitivity to different concentrations of the same amount of microelements, There were some similarities and some differences among the isolates, but there was no correlation with the fusiform population. For example, the inhibitory effect of trace elements on bacteria was the strongest with Cu, Zn slightly, and Fe again. Weakly inhibited AG-1, AG-7 and AG-BI even at 5 mM.