[1]许仙菊,姜晓蕊,陈丹艳,等.耐连作甘薯品种的筛选及薯块氮、磷、钾营养状况分析[J].江苏农业学报,2023,(03):657-664.[doi:doi:10.3969/j.issn.1000-4440.2023.03.005]
 XU Xian-ju,JIANG Xiao-rui,CHEN Dan-yan,et al.Screening of sweetpotato cultivars resistant to continuous cropping and analysis of nitrogen, phosphorus and potassium in the tuber[J].,2023,(03):657-664.[doi:doi:10.3969/j.issn.1000-4440.2023.03.005]
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耐连作甘薯品种的筛选及薯块氮、磷、钾营养状况分析()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2023年03期
页码:
657-664
栏目:
遗传育种·生理生化
出版日期:
2023-06-30

文章信息/Info

Title:
Screening of sweetpotato cultivars resistant to continuous cropping and analysis of nitrogen, phosphorus and potassium in the tuber
作者:
许仙菊1姜晓蕊2陈丹艳2田茂尚3冯冰1钟月华1汪吉东1张永春1
(1.江苏省农业科学院农业资源与环境研究所/农业农村部江苏耕地保育科学观测实验站,江苏南京210014;2.金陵科技学院园艺园林学院,江苏南京210038;3.安徽省宿州市泗县农业科学研究所,安徽宿州234399)
Author(s):
XU Xian-ju1JIANG Xiao-rui2CHEN Dan-yan2TIAN Mao-shang3FENG Bing1ZHONG Yue-hua1WANG Ji-dong1ZHANG Yong-chun1
(1.Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences/Scientific Observing and Experimental Station of Arable Land Conservation of Jiangsu Province, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China;2.College of Horticulture, Jinling Institute of Technology, Nanjing 210038, China;3.Sixian Institute of Agricultural Sciences, Suzhou 234399, China)
关键词:
甘薯耐连作能力
Keywords:
sweetpotatocontinuous cropping tolerancenitrogenphosphoruspotassium
分类号:
S531
DOI:
doi:10.3969/j.issn.1000-4440.2023.03.005
文献标志码:
A
摘要:
连作障碍严重制约了甘薯产业的发展,为了筛选适宜在甘薯连作障碍地生长的甘薯品种,本研究通过大田试验,在安徽泗县甘薯连作15年的连作障碍地块和相邻未种过甘薯的正常地块,分别种植26个代表性甘薯品种,分析了这些甘薯品种分别在连作障碍地块和正常地块的产量和薯块的氮、磷、钾含量。结果表明:(1)连作障碍使甘薯产量显著降低。通过计算障碍地与正常地甘薯产量的比值,并结合聚类分析,筛选出1个强耐连作甘薯品种(苏33),4个中耐连作甘薯品种(徐A1-144、徐D1-95、宁紫1号、徐B21-38),其他21个品种不耐连作障碍;(2)连作障碍使薯块的氮和磷含量增加,钾含量降低;(3)不同甘薯品种的耐连作能力与正常地块的薯块氮、磷、钾含量之间呈显著正相关。本研究结果为甘薯种植和耐连作甘薯新品种选育提供了种质资源,也为解析甘薯连作障碍机制提供了理论依据,有助于甘薯产业高质量发展。
Abstract:
Continuous cropping obstacle has seriously restricted the healthy development of sweetpotato industry. In order to screen sweetpotato cultivars suitable for continuous cropping obstacle soil, 26 representative sweetpotato cultivars were planted on fifteen years sweetpotato continuous cropping obstacle soil and heathly soil, respectively. The yield and the contents of nitrogen, phosphorus and potassium of these sweetpotato cultivars were analyzed. The results showed that the continuous cropping obstacle significantly reduced the yield of sweetpotato. By calculating the ratio of sweetpotato yield between continuous cropping obstacle soil and heathly soil and combining cluster analysis, one sweet potato cultivar (Su 33) with strong tolerance to continuous cropping, four sweetpotato cultivars (Xu A1-144, Xu D1-95, Ning Zi 1, Xu B21-38) with moderate tolerance to continuous cropping, and other 21 cultivars with no tolerance to continuous cropping were screened out. The continuous cropping obstacle increased the content of nitrogen and phosphorus, and decreased the content of potassium in sweetpotato. There was a significant positive correlation between the tolerance to continuous cropping obstacles of different sweetpotato cultivars and the contents of nitrogen, phosphorus and potassium in the tubers planted on healthy soil. The results of this study provide germplasm resources for sweetpotato cultivation and cultivars selection, as well as theoretical basis for understanding and analyzing the obstacle mechanism of continuous cropping of sweetpotato, which is conducive to the high-quality development of sweetpotato industry.

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备注/Memo

备注/Memo:
收稿日期:2022-08-04 基金项目:江苏省农业科技自主创新基金项目[CX(20)3083];国家甘薯产业技术体系项目(CARS-10);科技基础资源调查专项(2021FY100500)作者简介:许仙菊(1976-),女,山西绛县人,博士,副研究员,主要从事土壤质量方面的研究。(E-mail)xuxianju76@163.com 通讯作者:张永春,(E-mail)yczhang66@sina.com
更新日期/Last Update: 2023-07-11