[1]陈源,衡丽,胡大鹏,等.麦茬直播棉适于机采的密度、化控技术[J].江苏农业学报,2015,(06):1304-1311.[doi:doi:10.3969/j.issn.1000-4440.2015.06.017]
　CHEN Yuan,HENG Li,HU Da-peng,et al.Density and chemical control technique for direct-seeded cotton after wheat harvested by mechanical plucking[J].,2015,(06):1304-1311.[doi:doi:10.3969/j.issn.1000-4440.2015.06.017]
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麦茬直播棉适于机采的密度、化控技术()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年06期
页码:
1304-1311
栏目:
耕作栽培·资源环境
出版日期:
2015-12-31

文章信息/Info

Title:
Density and chemical control technique for direct-seeded cotton after wheat harvested by mechanical plucking
作者:
陈源1; 衡丽1; 胡大鹏1; 张雷2; 花明明1; 陈德华1; 张祥1
（1.扬州大学江苏省作物遗传生理国家重点实验室培育点，江苏扬州225009；2.中国农业科学院棉花研究所，河南安阳455000）
Author(s):
CHEN Yuan1; HENG Li1; HU Da-peng1; ZHANG Lei2; HUA Ming-ming1; CHEN De-hua1; ZHANG Xiang1
(1.Jiangsu Key Laboratory of Crop Genetics and Physiology of Jiangsu Province,Yangzhou University,Yangzhou 225009,China;2.Institute of Cotton Research,Chinese Academy of Agricultural Sciences,Anyang 455000,China)
关键词:
麦茬直播棉; 密度; 化控; 产量; 株型
Keywords:
direct-seeded cotton planted after wheat; density; chemical control; yield; plant type
DOI:
doi:10.3969/j.issn.1000-4440.2015.06.017
文献标志码:
A
摘要:
为构建适合于长江流域机械化采收的麦茬直播棉群体，以特早熟品种国欣早11-1为材料，于2011—2012年进行密度与化控（喷施生长调节剂棉太金）试验，结果表明：在1 hm290 000～105 000株，苗期、盛蕾期、盛花期、盛铃期分别使用生长调节剂棉太金90 ml/hm2 、180 ml/hm2、360 ml/hm2、540 ml/hm2条件下，籽棉产量高达3 551.3 kg/hm2以上。且在1 hm290 000株密度下，苗期使用生长调节剂棉太金90 ml/hm2，盛蕾期使用棉太金180 ml/hm2，盛花期使用棉太金360 ml/hm2，盛铃期使用棉太金540 ml/hm2，株高（105.4cm）、果枝始节位高度（26.1 cm）、果枝长度（17.4 cm）和单株果枝数（10.5台）等符合机械化采收对棉花株型要求。且在此处理下，棉株功能叶叶绿素含量较高，能实现于8月16日—9月20日集中成铃。
Abstract:
To develop a direct seeded cotton population after wheat harvested by mechanical plucking in the Yangtze River basin,cultivar Guoxinzao11-1 was studied for optimum planting density and growth regulator (Miantaijin) application scheme in 2011—2012 cotton seasons.The results showed that the seed cotton yield was more than 3 551.3 kg/hm2 when planting density was 90 000—105 000 plants per hectare and Miantaijin rates were 90 ml/hm2,180 ml/hm2,360 ml/hm2,540 ml/hm2 at seedling stage,bud peaking stage,full-blossom stage and boll peaking stage,respectively. Under the planting density of 90 000 plants per hectare, Miantajin applied at 90 ml/hm2 at seedling stage, 180 ml/hm2 at bud peaking stage, 360 ml/hm2 at full-blossom stage, and 540 ml/hm2 at boll peaking stage drove the plant height, the height of first fruiting branch, the length of fruiting branch and the number of fruiting branch per plant fit the plant shape requiried by mechanical plucking. Besides, the chlorophyll contents was high, and cotton fruiting could be achieved in a short period of time from Aug. 16 to Sep. 20.

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备注/Memo

备注/Memo:
收稿日期：2015-09-07 基金项目：江苏省普通高校研究生科研实践计划项目（SJLX_0613）；江苏省农业三新工程项目[SXGC（2014）317]；江苏省高校优势学科建设工程资助项目；国家自然科学基金项目（31171479、31301263、31471435）；现代棉花产业技术体系（CARS-18-18） 作者简介：陈源（1973-），男，江苏东台人，博士，主要研究方向是作物生理。（Tel）0514-8979243；（E-mail）yuanchen@yzu.edu.cn 通讯作者：张祥，yzzhangxiang@163.com；13665280661
更新日期/Last Update: 2015-12-31