| 郭 成1,2, 王春明1,2, 周天旺1,2, 张小杰3, 葛玉彬4, 张国琴4.28份高粱品种对丝黑穗病的抗性评价及发病条件研究[J].植物保护,2021,47(5):282-285. |
| 28份高粱品种对丝黑穗病的抗性评价及发病条件研究 |
| Resistance analysis of 28 sorghum varieties and research on incidence conditions to head smut |
| 投稿时间：2020-06-24 修订日期：2020-07-12 |
| DOI：10.16688/j.zwbh.2020331 |
| 中文关键词: 高粱 丝黑穗病 抗性 发病条件 |
| 英文关键词:sorghum head smut resistance incidence condition |
| 基金项目:甘肃省农业科学院博士基金（2020GAAS33）; 甘肃省农业科学院科技支撑计划（2017GAAS44）; 甘肃省农业科学院院地科技合作项目（2017GAAS59） |
| 作者 | 单位 | E-mail | | 郭 成1,2, 王春明1,2, 周天旺1,2, 张小杰3, 葛玉彬4, 张国琴4 | 1. 甘肃省农业科学院植物保护研究所, 兰州 730070
2. 农业农村部天水作物有害生物科学观测实验站, 甘谷 741299
3. 甘肃农业大学植物保护学院, 兰州 730070
4. 甘肃省农业科学院作物研究所, 兰州 730070 | gsguoch@126.com |
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| 中文摘要: |
| 为明确不同高粱品种抗丝黑穗病类型和差异,本研究于 2019 年采用田间人工接种法在甘肃省榆中县对28份高粱品种进行了田间抗病性鉴定,结果表明,‘吉杂122’和‘瑞杂8号’2份材料表现免疫,占比7.14%;‘龙杂5号’ ‘吉杂227’和‘新粱N6VA’等3份材料表现高抗,占比10.71%;‘晋杂22号’‘吉杂127’‘吉杂124’‘吉杂137’和‘新粱SN2’等5份材料表现抗病,占比17.86%;‘晋糯3号’‘吉杂140’和‘吉杂138’等3份材料表现中抗,占比10.71%;9份材料表现感病，6份材料表现高感,占比分别为32.14%和21.43%。不同播种时期和接菌量研究结果表明,前者与平均病株率呈显著负相关,而后者与平均病株率呈显著正相关。 |
| 英文摘要: |
| The study aimed to confirm the head smut-resistance types and differences among sorghum varieties. Using the artificial inoculation method under field conditions, 28 sorghum varieties were assessed and evaluated at Yuzhong county, Lanzhou city, Gansu province in 2019. The results showed that two accessions were immune, such as ‘Jiza122’ and ‘Ruiza8’, accounting for 7.14% of the total accessions. Three accessions were highly resistant, including ‘Longza5’ ‘Jiza227’, and ‘Xinliang N6VA’, accounting for 10.71%. Five accessions were resistant, such as ‘Jinza22’ ‘Jiza127’‘Jiza124’ ‘Jiza137’, and ‘Xinliang SN2’, accounting for 17.86% of the total accessions. Three accessions were moderately resistant, for example ‘Jinnuo3’‘Jiza140’ and ‘Jiza138’, accounting for 10.71% of the total accessions. The other nine and six accessions were susceptible and highly susceptible, accounting for 32.14% and 21.43%, respectively. The results showed that the severity of the sorghum head smut was negative with the sowing date, but positively correlated with the inoculation amount. |
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