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| 杂交水稻高产节氮栽培对二化螟发生危害的影响 | |
| 引用本文： | 黄志农,马国辉,徐志德,文吉辉,龙吉锐,陈敏,周静.杂交水稻高产节氮栽培对二化螟发生危害的影响[J].现代农业科技,2010(8):159-161. |
| 作者姓名： | 黄志农 马国辉 徐志德 文吉辉 龙吉锐 陈敏 周静 |
| 作者单位： | 1. 湖南省植物保护研究所,湖南长沙,410125 2. 国家杂交水稻工程技术研究中心 3. 浏阳市永安镇农技站 |
| 基金项目： | 国家公益性行业(农业)科研专项，国家"十一五"科技支撑计划，湖南省"十一五"重点项目 |
| 摘 要： | 对杂交水稻高产节氮栽培试验中的不同栽培模式,缓释尿素(SCU)及不同类型肥料,普通尿素不同施氮水平及施肥方式等,对二化螟的发生危害的影响进行比较研究。结果表明:优化栽培和轻简栽培,缓释尿素(SCU)和其他几种新型肥及配方肥都能减轻二化螟的发生危害,普通氮肥施氮过多则加重危害。杂交水稻高产节氮栽培,一般施纯N杂交稻150~180 kg/hm2,超级杂交稻195~225 kg/hm2较为适宜。坚持科学施用氮肥,推广应用控缓释肥和适氮适磷钾复合肥,不仅使水稻获得高产,而且可减轻病虫危害,减少因氮肥流失而造成的浪费和污染。 |
| 关 键 词： | 杂交水稻 高产节氮 栽培技术 二化螟 发生危害 |
Effects of Hybrid Rice Nitrogen-saving and High-yield Cultivation on Occurrence of Chilo suppressalis Walker |
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| Authors: | HUANG Zhi-nong MA Guo-hui XU Zhi-de WEN Ji-hui LONG Ji-rui CHEN Min ZHOU Jing |
| Institution: | HUANG Zhi-nong1 MA Guo-hui2 XU Zhi-de1 WEN Ji-hui1 LONG Ji-rui2 CHEN Min3 ZHOU Jing2(1Hunan Plant Protection Institute,Changsha Hunan 410125;2China National Hybrid Rice Research and Development Center;3 Yong’an Agricultural Technology Station in Liuyang City) |
| Abstract: | The occurrence of Chilo suppressalis Walker under a series of conditions was studied,which included different cultivation modes of nitrogen-saving and high-yield,slow release nitrogen(SCU)and different types of fertilizers,different nitrogen levels and fertilization methods of common urea.The results indicated that the following factors could reduce the incidence of Chilo Supressalis walker,which were optimized and simplified cultivation models,slow release nitrogen(SCU),other new types of fertilizer and co... |
| Keywords: | hybrid rice nitrogen-saving and high-yield cultivation technique Chilo suppressalis Walker occurrence and damage |
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