[1]郭保卫,许轲,魏海燕,等.钵苗机插水稻茎秆的抗倒伏能力[J].江苏农业学报,2016,(06):1280-1287.[doi:doi:10.3969/j.issn.1000-4440.2016.06.014]
　GUO Bao-wei,XU Ke,WEI Hai-yan,et al.Culm lodging resistance characteristics of bowl seedling mechanical-transplanting rice[J].,2016,(06):1280-1287.[doi:doi:10.3969/j.issn.1000-4440.2016.06.014]
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钵苗机插水稻茎秆的抗倒伏能力()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2016年06期
页码:
1280-1287
栏目:
耕作栽培·资源环境
出版日期:
2017-02-07

文章信息/Info

Title:
Culm lodging resistance characteristics of bowl seedling mechanical-transplanting rice
作者:
郭保卫; 许轲; 魏海燕; 张洪程; 戴其根; 霍中洋; 张玉雪; 石晓旭
（扬州大学农业部长江流域稻作技术创新中心/扬州大学江苏省作物遗传生理重点实验室,江苏扬州225009）
Author(s):
GUO Bao-wei; XU Ke; WEI Hai-yan; ZHANG Hong-cheng; DAI Qi-gen; HUO Zhong-yang; ZHANG Yu-xue; SHI Xiao-xu
(Innovation Center of Rice Cultivation Technology in Yangtze Valley，Ministry of Agriculture /Key Laboratory of Crop Genetic and Physiology of Jiangsu Province，Yangzhou University，Yangzhou 225009, China)
关键词:
水稻; 钵苗机插; 茎秆; 抗倒伏能力
Keywords:
rice; bowl seedling mechanical-transplanting; culm; lodging resistance
分类号:
S511.01
DOI:
doi:10.3969/j.issn.1000-4440.2016.06.014
文献标志码:
A
摘要:
水稻钵苗机插较毯苗机插增产优势明显，研究其抗倒伏特性可为水稻钵苗机插高产栽培提供理论指导。试验以籼粳杂交稻、杂交粳稻、籼型杂交稻及常规粳稻为材料，通过与毯苗机插水稻对比，研究钵苗机插水稻茎秆的抗倒伏特征。结果表明，不同机插方式水稻间抗倒伏能力差异显著，茎秆倒伏指数表现为钵苗机插<毯苗机插，基部节间抗折力、弯曲力矩和抗倒伏能力均表现为钵苗机插>毯苗机插。钵苗机插水稻相对重心高度稍低，抽穗期、成熟期单茎干物质和单穗质量大。钵苗机插水稻基部1～3节间长度短，粗度、节间干质量和单位干质量大。相关分析结果表明，抗折力、弯曲力矩与倒伏指数呈极显著负相关，基部1～4节间的抗折力与株高、重心高度、节间粗度、节间干质量、单位节间干质量、单茎干质量、单茎叶鞘干质量及弯曲力矩呈显著或极显著正相关，与相对重心高度呈极显著负相关。钵苗机插水稻茎秆粗壮，基部节间抗折力大，抗倒伏能力强。
Abstract:
The bowl seedling mechanical-transplanting rice had higher yield than the blanket seedling mechanical transplanting rice, so it’s important to study the lodging resistance characteristics of the bowl seedling mechanical-transplanting rice for providing the theoretical guidance for high yield cultivation. The experiments used indica/japonica hybrid rice, japonica hybrid rice, indica hybrid rice and conventional japonica rice as materials. By comparing with the blanket seedling mechanical-transplanting rice, the lodging resistance of the bowl seedling mechanical-transplanting rice was studied. The results showed that the differences of culm lodging resistance between two transplanting treatments were very significant. The lodging index of the bowl seedling mechanical-transplanting rice was inferior to blanket seedling mechanical-transplanting rice, however, the breaking force(BF) of the basal four internodes, bending moment (BM) and the lodging resistance were higher than blanket seedling mechanical transplanting rice. And the bowl seedling mechanical transplanting rice had slightly lower ratio of gravity center height to plant height, heavier dry weight of stem and single panicle weight at the heading stage and the maturation stage. Compared with blanket seedling mechanical-transplanting rice, the length of the 1st-3rd basal internodes of bowl seedling mechanical-transplanting rice was shorter, and culm diameter, dry weight of the internodes and dry weight per unit internode were higher. The results of correlation analysis showed that the breaking resistance had very significantly negative correlation with lodging index. The breaking resistance of the 1st, 2nd, 3rd, 4th internode had very significantly or significantly positive correlation with plant height, gravity center height, wall thickness, dry weight of culm, dry weight of leaf sheath, dry weight of unit internode and bending moment, and had very significantly negative correlation with the ratio of gravity center height to plant height. The bowl seedling mechanical-transplanting rice had stronger culm, so it had stronger stem lodging resistance.

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备注/Memo

备注/Memo:
收稿日期：2016-04-30 基金项目：江苏省农业自主创新基金重点项目[CX(15)1002]；公益性行业(农业)科研专项(201303102)；扬州大学科技创新培育基金项目（2015CXJ042）；江苏省农业三新工程项目[SXGC(2015)325] 作者简介：郭保卫(1984-)，男，江苏新沂人，博士，讲师，主要从事作物高产优质栽培研究与教学。（E-mail）gbwyx@126.com
更新日期/Last Update: 2017-02-07