2002, Vol. 28

Issue (6): 625-628 DOI:

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Published: 11 November 2002

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. . , 2002, 28(6): 625-628.

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https://www.zjujournals.com/agr/ OR https://www.zjujournals.com/agr/Y2002/V28/I6/625

白蚁及其肠道细菌的固氮作用研究

台湾家白蚁(Coptotermes formosanus Shiraki)工蚁具有较高的固氮活性,刚收集的工蚁其固氮活性达0.094 4 μg/g*h-1.固氮活性的高低受白蚁食物含氮量、白蚁生理状态的影响,某些杀菌剂能使白蚁固氮活性丧失.从台湾家白蚁肠道中分离到2株兼性厌氧固氮菌HN1和YN菌株,经鉴定皆为柠檬酸菌属的菌株(Citrobacter sp.),均在厌氧条件下表现固氮活性.最大或然数法计数表明,每只白蚁肠道固氮菌数量约为7 500个.

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