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通过二室根盒试验研究了根际施锰和土体施锰对3317和川麦22两个基因型小麦锰营养以及根际锰动态的影响。结果表明，缺锰条件下3317的生物量和吸锰量均显著高于川麦22；前者不施锰或土体施锰即可基本满足其正常生长对锰的需求，后者则只有根际施锰条件下才能完全消除其缺锰症状。从根际变化可进一步发现，两基因型小麦根际pH值均低于土体而有效锰含量则相反（土体施锰处理除外），并伴随近根际（离尼龙网0～5mm）有效锰的相对富积。不同基因型比较，3317根际pH低于川麦22；而根际和近根际有效锰含量明显高于川麦22，但这种差异在施锰特别是根际施锰条件下大大缩小。综合以上结果，初步认为根系活化溶解锰氧化物能力强是3317比川麦22耐缺锰的主要原因。
The effects of manganese application in the rhizosphere and manganese fertilization on manganese nutrition and Mn in rhizosphere of two wheat genotypes 3317 and Chuanmai 22 were studied by two-compartment root box experiment. The results showed that the biomass and manganese uptake of 3317 under Mn deficiency were significantly higher than that of Chuanmai 22; the former could not meet the demand of manganese for normal growth without applying Mn or Mn, while the latter only applied Mn Conditions can be completely eliminated its manganese deficiency symptoms. From the rhizosphere changes, we can further find that rhizosphere pH value of both genotypes wheat is lower than that of soil while effective manganese content is the opposite (except for soil manganese treatment), and is near rhizosphere (0 ~ 5mm away from nylon net) The relative accumulation of manganese. The rhizosphere pH of 3317 was lower than that of Chuanmai 22 at different genotypes, while the available Mn in rhizosphere and near-rhizosphere was significantly higher than that in Chuanmai 22, but the difference was greatly reduced under the conditions of applying manganese, especially rhizosphere. Based on the above results, it is preliminarily thought that the ability of root activation to dissolve manganese oxide is the main reason that 3317 is more resistant to Mn deficiency than Chuanmai 22.