[1]万倩,曹宏鑫,葛道阔,等.不同施肥量下花期渍水胁迫对油菜籽粒充实过程的定量影响[J].江苏农业学报,2020,(05):1144-1153.[doi:doi:10.3969/j.issn.1000-4440.2020.05.011]
　WAN Qian,CAO Hong-xin,GE Dao-kuo,et al.Quantitative effects of waterlogging stress at florescence stage on the grain filling process of rape under different fertilization amounts[J].,2020,(05):1144-1153.[doi:doi:10.3969/j.issn.1000-4440.2020.05.011]
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不同施肥量下花期渍水胁迫对油菜籽粒充实过程的定量影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年05期
页码:
1144-1153
栏目:
耕作栽培·资源环境
出版日期:
2020-10-31

文章信息/Info

Title:
Quantitative effects of waterlogging stress at florescence stage on the grain filling process of rape under different fertilization amounts
作者:
万倩1; 2; 曹宏鑫1; 葛道阔1; 张文宇1; 张伟欣1; 葛思俊1; 张迁1; 江留昊1
（1.江苏省农业科学院农业信息研究所，江苏南京210014;2.南京农业大学农学院,江苏南京210095）
Author(s):
WAN Qian1; 2; CAO Hong-xin1; GE Dao-kuo1; ZHANG Wen-yu1; ZHANG Wei-xin1; GE Si-jun1; ZHANG Qian1; JIANG Liu-hao1
(1.Institute of Agricultural Information, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;2.College of Agriculture, Nanjing Agricultural University, Nanjing 210095, China)
关键词:
油菜; 施肥量; 渍水持续时间; 籽粒充实过程; 渍害影响因子
Keywords:
rape; fertilization amount; waterlogging duration; grain filling process; waterlogging impact factor (WIF)
分类号:
S565.4
DOI:
doi:10.3969/j.issn.1000-4440.2020.05.011
文献标志码:
A
摘要:
为更好地研究油菜生长发育及产量受渍害影响的程度，以宁油22（常规品种，C1）和宁杂1818（杂交品种，C2）为试验材料，以2017-2019年两季油菜不同施肥量（N0和N1）以及花期渍水持续时间（0 d、3 d、6 d和9 d）桶栽与池栽试验为基础，以油菜生长发育及产量形成为主要研究对象，系统研究了不同施肥条件下花期不同渍水持续时间胁迫对油菜籽粒充实过程的定量影响。结果表明，桶栽和池栽条件下，不同施肥、渍水持续时间处理对油菜籽粒充实的影响具有共同趋势,籽粒快速增长期一般在开花后10～25 d，但不同品种、施肥、渍水持续时间处理间存在差异；用渍害影响因子（WIF）和Logistic方程参数a定量了不同品种、施肥与渍水持续时间对油菜籽粒充实过程的影响，两者均能识别不同条件下的影响程度大小，渍水持续6 d和9 d的WIF最大，Logistic方程可较好地模拟不同品种、施肥、渍水持续时间处理下油菜单角果增质量随花后天数的变化过程。同时，建立了不同施肥条件下花后渍水时油菜籽粒充实速率统一模型，检验结果表明，两个品种单角果质量实测值与模拟值的平均绝对误差为0.021 4～0.019 0 g, RMSE均为0.026 g, 相关系数为0.970～0.976 (P<0.001)，表明效果较好。
Abstract:
To better study the influence degree of waterlogging damage on the growth and yield of rape, the quantitative effects of different waterlogging duration stress at florescence on grain filling process of rape under different fertilization conditions were systematically researched, Ningyou 22 (conventional variety, C1) and Ningza 1818 (hybrid variety, C2) were used as the test materials, the bucket cultivation and pond cultivation tests with different fertilization amounts (N0 and N1) and waterlogging duration of the flowering stage (0 d, 3 d, 6 d and 9 d) during the two seasons of rape in 2017-2019 were used as the experimental basis, the growth and yield formation of rape were taken as the main research objects. The results showed that, under the conditions of bucket cultivation and pond cultivation, the effects of different fertilization and waterlogging duration treatments on the grain filling process of rape showed the same trends, the rapid growth period of grains (SPW) was in 10-25 d of flowering, but there were differences between different treatments of cultivars, fertilization and waterlogging duration. Waterlogging impact factor (WIF) and parameter a of the Logistic equations were used to quantify the effects of different cultivars, fertilization and waterlogging duration on the grain filling process of rape, it was found that they could all recognize the effect degree under different conditions, and the max WIF appeared when the waterlogging duration was 6 d or 9 d. Logistic equations could well simulate the changes of the SPW increase with the days after flowering of rape under different cultivars, fertilization and waterlogging duration treatments. In the same time, a general model for the grain filling rate of rape during the waterlogging period after flowering under different fertilization conditions was developed. The verification results showed that the average absolute errors between the observed values and the simulated values of SPW in two varieties were 0.021 4-0.019 0 g, the root mean square error (RMSE) was 0.026 g, the correlation coefficient was 0.970-0.976 (P<0.001), which showed good effects.

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备注/Memo

备注/Memo:
收稿日期：2019-12-10基金项目：国家自然科学基金项目（31201127、31471415、31601223、31871522）；江苏省农业科技自主创新基金项目 [CX(19)2040]；江苏省农业科学院基金项目 (6111648、6111645)作者简介：万倩（1995-），女，河南驻马店人，硕士研究生，研究方向为作物系统模拟。（Tel）13611507966；(E-mail)2398675825@qq.com通讯作者：曹宏鑫，(E-mail)caohongxin@hotmail.com
更新日期/Last Update: 2020-11-16