ZHAO Xiao-hui,XU Yan-li.Inhibition of Fusarium.spp Fermented Filtrates on Soybean Cyst Nematode[J].Soybean Science,2011,30(03):468-470,474.[doi:10.11861/j.issn.1000-9841.2011.03.0468]
镰刀菌发酵液对大豆胞囊线虫的抑制作用
- Title:
- Inhibition of Fusarium.spp Fermented Filtrates on Soybean Cyst Nematode
- 文章编号:
- 1000-9841(2011)03-0468-03
- Keywords:
- Fusarium oxysporum var.redolens; F.graminearum; Fermented filtrates; Soybean cyst nematode; Bio-control
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 在大豆胞囊线虫(Heterodera glycines)自然衰退土壤中分离得到3株镰刀菌，F-9—禾谷镰孢菌（F. graminearum Schwabel），F-2、F-15—尖孢镰孢芬芳变种（F. oxysporum var.redolens(Wollenw) Gordon）。实验室条件下，研究了这3株镰刀菌发酵液原液对大豆胞囊线虫卵孵化及对二龄幼虫（J2）活性的影响。结果表明：F-2、F-9发酵液原液分别抑制了95.7%和 95.2%的大豆胞囊线虫卵孵化，与对照组无菌水差异极显著；F-9发酵液原液在1 h时抑制J2活性高达90%，F-2发酵液原液在72 h时使全部的J2致死；F-15对J2不具有抑制性。F-2、F-15为同种的不同菌株，但是作用效果存在差异。
- Abstract:
- In soybean cyst nematode suppressive soil, we isolated one F. graminearum (F-9) and two Fusarium oxysporumvar. redolens(F-2, F-15). The objective was to determine the effects of Fusarium. spp fermented filtrates on second-stage juveniles (J2) and eggs of Heterodera glycines. The results showed that F-2、F-9 filtrates inhibited the nematode egg hatching by 95.67% and 95.17% respectively, it was extremely significant difference compared with water. F-9 filtrates were toxic to J2 up to 90% after 1 h. F-2 filtrates were toxic to 100% of J2. F-15 filtrates had no effect on J2. F-2 and F-15 were the same species, but had different effects.
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备注/Memo
基金项目：国家自然科学基金资助项目（30971900）；黑龙江省科技攻关资助项目（GA09B103-10）。?