品种与技术

江西一季籼粳杂交稻稻曲病防治药剂及次数研究

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  • 1 江西省红壤研究所,南昌 331717;2 江西省农业技术推广总站,南昌 330045;3 江西省宜丰县农业技术推广中心,江西 宜丰 336303

网络出版日期: 2017-07-20

基金资助

江西粳稻稻曲病绿色防控技术研究与集成示范(20161BBF60108)

Study on Medicine and Times of Rice False Smut in Seasonal Indica / Japonica Hybrid Rice in Jiangxi Province

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Online published: 2017-07-20

摘要

选择合适的防治药剂和防治次数是减轻稻曲病危害的关键。本研究以籼粳杂交稻甬优12为材料,比较了6种药剂和3种喷施次数对稻曲病的防控效果和产量性状差异。结果表明,在6种药剂中,阿米妙收处理的病穗率防效和病指防效最好,分别达到91.53%和96.63%,但与其他药剂无显著性差异。在防治次数上,爱苗和拿敌稳均为防治3次的处理病指防效最好,分别为81.73%和80.15%,显著高于防治次数3次以下的处理。阿米妙收处理的产量最高,达11 719.52 kg/hm2,显著高于其他处理。

本文引用格式

张昆1,陈忠平2,武琳1,李小飞1,黄尚书1, 成艳红1,梅胜芳3 . 江西一季籼粳杂交稻稻曲病防治药剂及次数研究[J]. 中国稻米, 2017 , 23(4) : 183 -186 . DOI: 10.3969/j.issn.1006-8082.2017.04.039

Abstract

Choosing the right medicine and control frequency is the key to reducing the risk of rice false smut. In this study, six medicines and three kinds of control times were designed to explore the control effects of rice false smut and yield of rice. The results showed that the control effects of disease panicle rate and disease index in Amistar were 91.53% and 96.63%, but there was no significant difference among different medicine treatments. Three times of Armure and Navito was the best control frequency, the control effects of disease index were 81.73% and 80.15% respectively. The yield of Amistar treatment was the highest. It could increase the yield significantly higher by three times control than other less 3 times treatments.

参考文献

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