| 新疆棉花苗期病害拮抗细菌的筛选和应用 |
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| 引用本文： | 阎小雪,李国英,乔贵宾. 新疆棉花苗期病害拮抗细菌的筛选和应用[J]. 新疆农业科学, 2004, 41(5): 288-292 |
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| 作者姓名： | 阎小雪 李国英 乔贵宾 |
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| 作者单位： | 石河子大学农学院农科系植病教研室,新疆石河子,832003;新疆生产建设兵团农业技术推广总站,新疆乌鲁木齐,830011 |
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| 基金项目： | 新疆生产建设兵团"新疆棉花重大病虫害综合治理研究与示范"项目 |
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| 摘 要： | 1998～1999年从新疆五个主要植棉区健壮棉苗的根际土壤中分离到1 288株细菌.通过LB平板对峙测定,选出对强致病菌R105(R.Solani)和致病菌F106、F122、F108(Fusarium)抑制作用较强的116株拮抗细菌.经温室盆栽试验,10株芽孢杆菌(B.subtilis)对R.Solani表现明显的防效,且优于化学药剂处理(MBC、PCNB).在大田试验中,有三个菌株防效也比较明显.
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| 关 键 词： | 拮抗细菌 棉花苗期病害 防效 |
| 文章编号： | 1001-4330(2004)05-0288-05 |
| 收稿时间： | 2004-05-25 |
| 修稿时间： | 2004-06-15 |
Screening and Utilization of Antibiotic Bacteria for Cotton Seedling Diseases in Xinjiang |
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| Abstract: | 1 288 bacteria were isolated from the healthy cotton rhizospheric soils in the five major cotton production regions of Xinjiang in 1998～1999. Among them, 116 bacteria which have strong antibiotic ability to the high pathogen R105 ( R.Solani AG-4) and pathogens F106,F122,F129 ( Fusarium) on the LB medium plates were screened. In glasshouse experiments, ten B.subtilis were the most effective in protecting cotton seedling diseases against R105( R.Solani ) and showed better effect than chemical treatments(MBC,PCNB). Three B.Subtilis have distinct control effect in the field testing. |
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| Keywords: | antibactia cotton seedling diseases control effect |
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