| 中9A制种罹稻粒黑粉病的原因及防治措施 |
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| 引用本文： | 冯丰膑,陆琦.中9A制种罹稻粒黑粉病的原因及防治措施[J].广西农学报,2009,24(3):25-26,64. |
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| 作者姓名： | 冯丰膑 陆琦 |
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| 作者单位： | 广西壮族自治区种子公司,南宁,530022 |
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| 摘 要： | 稻粒黑粉病在中9A制种中发病较为普遍。经过多年制种生产实践，发现罹病原因主要是亲本种子和土壤带病菌、柱头大和外露率高、母本花期偏早柱头外露时间长、扬花期间遇上阴雨天气、喷施“九二0”和施肥不当等，提出做好亲本种子杀菌处理及制种基地实行轮作、合理安排播期和调节扬花期、科学肥水管理、培育健壮禾苗群体、科学喷施“九二0”改善穗层结构及药物防治等措施。
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| 关 键 词： | 中9A 稻粒黑粉病 发生原因 防治 |
The occurrence reasons and control measures of rice kernel smut(Neovossia horrida)in Zhong 9A seed production |
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| Feng Feng-bin,Lu Qi.The occurrence reasons and control measures of rice kernel smut(Neovossia horrida)in Zhong 9A seed production[J].Journal of Guangxi Agriculture,2009,24(3):25-26,64. |
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| Authors: | Feng Feng-bin Lu Qi |
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| Institution: | Guangxi Seed Corporation;Nanning 530022;China |
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| Abstract: | Rice kernel smut is occurring frequently in Zhong 9A seed production.After long-time practice,it is discovered that there are six occurrence reasons such as parents seed and soil germcarrier etc.This paper has put forward some measures such as parents seed sterilization,crop rotation,rational seeding,flowering stage adjustment,rational fertilization and irrigation,fostering strong seedlings,"920"application and chemical control etc. |
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| Keywords: | Zhong 9A rice kernel smut(Neovossia horrida) occurrence reasons prevent and control |
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