YANG Xiao-he,GU Xin,YU Ming,et al.Resistance of Main Cultivars Against Phytophthora sojae Causing Soybean Root Rot in Sanjiang Plain Area[J].Soybean Science,2016,35(02):291-294.[doi:10.11861/j.issn.1000-9841.2016.02.0291]
三江平原主栽大豆品种对大豆疫霉根腐病的抗性分析
- Title:
- Resistance of Main Cultivars Against Phytophthora sojae Causing Soybean Root Rot in Sanjiang Plain Area
- Keywords:
- Soybean root rot; Phytophthora sojae; Artificial inoculation
- 文献标志码:
- A
- 摘要:
- 为了明确三江平原地区主栽大豆品种对大豆疫霉根腐病的抗性,对合丰56、合丰55、合丰50等13个主栽品种进行了大豆疫霉菌1号小种的盆栽接种和大田接种抗性分析试验。结果表明:合丰55在盆栽接种鉴定中表现为抗病,死亡率为27.41%,与其它品种相比,除了垦丰16和绥农28外,差异极显著。其在大田接种鉴定中表现为抗病,死亡率为3.33%,与其它品种相比,除垦丰16外,差异显著;大田接种减产率为3.84%,与未接种对照相比,差异显著。垦丰16在盆栽接种鉴定中表现为抗病,死亡率为24.81%,与其它品种相比,除了合丰55和绥农28外,差异极显著;在大田接种鉴定中表现为抗病,死亡率为6.67%,与其它品种相比,除合丰55外,差异显著;大田接种减产率为5.19%,与未接种对照相比,差异显著。研究结果表明,合丰55和垦丰16具有良好的抗性,大田接种试验表现减产率低,是适合三江平原地区种植的抗大豆疫霉根腐病的优良品种。
- Abstract:
- In order to confirm the resistance of main cultivars against.Phytophthora sojae causing soybean root rot in Sanjiang plain area, identification of 13 main cultivars in Sanjiang plain to race 1 of Phytophthora sojae with pot and field test by artificial inoculation was done.The results showed that the resistance of Hefeng 55 was resistant in pot test with mortality for 27.41%, and the difference was extremely significant compared to other cultivars except for Kenfeng 16 and Suinong 28.The resistance of Hefeng 55 was resistant in field test with mortality for 3.33%, and the difference was significant compared to other cultivars except for Kenfeng 16. Decreasing rate of Hefeng 55 was 3.84% compared to the control check without inoculation, and the difference was significant. The resistance of Kenfeng 16 was resistant in pot test with mortality for 24.81%, and the difference was extremely significant compared to other cultivars except for Hefeng 55 and Suinong 28. The resistance of Kenfeng 16 was resistant in field with mortality for 6.67%, and the difference was significant compared to other cultivars except for Hefeng 55. Decreasing rate of Kenfeng 16 was 5.19% compared to the control check without inoculation, and the difference was significant. The results showed that Hefeng 55 and Kenfeng 16 were suitable to plant to control the soybean root rot causing by Phytophthora sojae in Sanjiang plain area because of their resistance were better and decreasing rates were lower.
参考文献/References:
[1]Schmitthenner A F. Problems and progress in control of Phytophthora-root rot of soybean[J]. Plant Disease, 1985, 69 (4): 362-368
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备注/Memo
基金项目:公益性行业(农业)专项 (201303018);黑龙江大豆产业振兴院士工作站资助项目 (2013DYGZ203-3);黑龙江省自然科学基金面上项目 (C201449);黑龙江省杰出青年科学基金(JC2015005)。