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ACC脱氨酶活性细菌筛选及其对番茄初生苗生长的影响 被引量:29

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摘要 采用富集筛选法,以1-氨基环丙烷-1-羧酸(1-a m inocyc lopropane-1-carboxylate,ACC)为唯一氮源,从不同蔬菜植株根围快速筛选出46株ACC脱氨酶活性细菌。其中菌株LA1、XG32、YC1的ACC脱氨酶酶活性较高,并可促进番茄初生苗生长,且浇菌液接菌促生效果好于浸种接菌。同时试验表明3株酶活细菌可以缓解0.5%NaC l和间隔5℃低温胁迫对番茄初生苗伤害的影响。B iolog系统鉴定LA1为恶臭假单胞菌B型(Pseudo-m onas putidab iotype B),菌株XG32为波纹假单胞菌(P.corrugata),菌株YC1为假单胞菌(Pseudom onassp.)。
出处 《江苏农业科学》 CSCD 北大核心 2006年第2期80-84,共5页 Jiangsu Agricultural Sciences
基金 江苏省教育厅自然科学基金(编号:03KJB180063)
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