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拮抗细菌B-77的种类鉴定及对水稻恶苗病的防治效果 预览 被引量:6

Identification of Antagonistic Bacterial Strain B- 77 and Its Control Effect against Rice Bakanae
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摘要 从菜地土壤中分离获得的拮抗细菌B-77经鉴定为枯草芽孢杆菌(Bacillus subtilis),用该菌株发酵液浸种能有效地防治由Fusarium moniliforme引起的水稻恶苗病.在盆栽条件下,B-77发酵液稀释10~100倍的防效达76.76%~78.53%;小区试验中,其10~100倍的防效亦达72.56%~76.18%,均与对照药剂25%先安乳油4500倍的防效无显著差异.B-77对水稻种子发芽及根茎生长无抑制作用. Antagonistic bacterial strain B-77 was isolated from vegetable soil, and was identified as Bacillus subtilis.Soaking rice seeds in the fermented solution of B-77 could effectively control rice bakanae caused by Fusarium moniliforme. Results of pot culture and plot tests showed that the control effect of B-77(10~100 times fermented solution) reached to 72.56%~78.53%, and was not significantly different from that of the check(25% Xian'an 4500 times). In addition, B-77 didn't inhibit seed germination and seedling growth of rice.
作者 华菊玲 李湘民 罗任华 HUA Ju-ling, LI Xiang-min, LUO Ren-hua (Institute of Plant Protection, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China)
出处 《江西农业学报》 2004年第3期 62-64,共3页 Acta Agriculturae Jiangxi
基金 江西省科技厅科技攻关项目
关键词 拮抗细菌 B-77 水稻 恶苗病 防治 枯草芽孢杆菌 Bacillus subtilis Rice bakanae Control effect
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