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Coliforms Associated With Sugarcane Plants and Juices

机译：与甘蔗植物和果汁相关的大肠菌

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A study of the coliforms found on sugarcane plants throughout the growing season indicated that members of the genus Aerobacter comprise a part of the epiphytic microflora. When quantitative determinations were made of the coliforms by means of the most probable number technique, no completed tests were obtained on young sugarcane plants during the test period of February through May; however, Paracolobactrum aerogenoides was isolated frequently. Nine different IMViC types of coliforms were identified among the 198 isolates chosen for study. The predominating coliform found at the top, middle, and bottom portions of the sugarcane plants was A. cloacae, but the type predominating in leaf-sheath water was A. aerogenes. Only once was Escherichia coli found associated with the plants at the high dilutions necessary for determining most probable numbers. The numbers of different coliforms occurring in sugarcane juice were generally divided equally among A. aerogenes, A. cloacae, and E. coli. More variety among the IMViC types seemed to occur on the cane plants than in the leaf-sheath water or the cane juice in the mill.
机译：对整个生长季节在甘蔗植物上发现的大肠菌的研究表明，Aerobacter属的成员构成了附生微生物群的一部分。当采用最可能的数量技术对大肠菌群进行定量测定时，在2月至5月的测试期间，未对年轻的甘蔗植物进行完整的测试。然而，经常分离副产高产副球菌。在选择进行研究的198种分离物中鉴定出9种不同的IMViC大肠菌类型。在甘蔗植物的顶部，中部和底部发现的主要大肠菌群是阴沟曲霉，但是在叶鞘水中的主要大肠菌群是产气链球菌。仅一次发现了与植物相关的大肠杆菌，这些大肠杆菌在确定最可能数量的必要的高稀释度下。甘蔗汁中出现的不同大肠菌群的数量通常在产气农杆菌，阴沟肠杆菌和大肠杆菌中平均分配。与在工厂中的叶鞘水或甘蔗汁中相比，甘蔗植物中IMViC类型的多样性似乎更多。

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