ZHANG Fujian,CHEN Yu,WU Caijun,et al.Investigation and Analysis on Current Situation of Continuous Cropping Obstacle of Greenhouse Pepper in Jiangxi Province[J].Northern Horticulture,2018,42(17):75-81.[doi:10.11937/bfyy.20180157]
江西省设施辣椒连作障碍现状调查与分析
- Title:
- Investigation and Analysis on Current Situation of Continuous Cropping Obstacle of Greenhouse Pepper in Jiangxi Province
- Keywords:
- Jiangxi Province; facility; pepper; continuous cropping obstacle; countermeasure
- 文献标志码:
- A
- 摘要:
- 为进一步探明江西省设施辣椒连作障碍发生主要原因和防治情况，调查了江西省设施辣椒6个主要生产区域,总结了江西省各个地区设施辣椒常见土传病害以及防治的主要措施，分析了调查中发现的问题，并对这些问题提出了思考和建议。结果表明：江西省设施辣椒均存在不同程度的连作障碍问题，其中九江市、新干县、高安市连作程度较为严重，辣椒平均发病率达到了42%以上；江西省设施辣椒连作障碍主要是由土传病害引起的，且总体趋势表现为随着连作年限的增长，病害发生加重，土壤连作障碍加剧；另外，通过对设施辣椒不同连作年限与土壤pH和电导率的相关性分析表明，连作辣椒土壤pH与连作年限呈负相关，而土壤电导率则与连作年限呈正相关；在对6个地区施肥情况的调查以及设施辣椒土壤测定情况中发现，连作辣椒土壤的主要养分氮、磷、钾的含量明显不均衡，而不合理的施肥习惯导致的土壤养分不均衡，也是引起江西省设施辣椒连作障碍的重要原因。
- Abstract:
- In order to find out the main cause and prevention situation of continuous cropping obstacle of pepper in Jiangxi Province.In this study,6 main areas of production of pepper in Jiangxi Province were investigated.The main measures of common soil diseases and prevention and control in various regional facilities in Jiangxi Province were summarized,and the problems found in the investigation were analyzed,and some thoughts and suggestions were put forward.The results showed that the facilities in Jiangxi Province pepper had different degree of continuous cropping obstacle problems,Jiujiang,Xingan,Gao′an degree of continuous cropping was relatively serious,chili incidence reached more than 42% on average.In Jiangxi Province,the main obstacles to the continuous cropping of pepper were caused by soil diseases,and the general trend was the increase of the number of years of continuous cropping,the aggravation of the disease and the aggravation of the soil.In addition,the correlation analysis of the soil pH and electrical conductivity of the different continuous cropping years of the pepper showed that the pH of the soil in the continuous cropping pepper was negatively correlated with the continuous cropping years,while the soil conductivity was positively correlated with the continuous cropping years.Based on the investigation of fertilization in 6 regions and the determination of capsicum soil in facility,it was found that the contents of nitrogen,phosphorus and potassium in the soil of continuous cropping pepper were obviously uneven,but the habit of fertilization was unreasonable.The imbalance of soil nutrients was also an important reason for the continuous cropping of pepper in Jiangxi Province.
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备注/Memo
第一作者简介：张福建（1990-），男，江苏连云港人，硕士研究生，研究方向为园艺植物栽培与生态调控。E-mail:zhangfujianjxau@163.com.责任作者：王静（1975-），女，硕士，讲师，现主要从事植物学与亚热带生物多样性等研究工作。E-mail:675899921@qq.com.基金项目：江西省现代农业科研协同创新专项经费资助项目（JXXTCX2015005-002）；江西省重点研发计划项目重大资助项目（20161ACF60015)；江西省现代农业产业技术体系建设资助项目（JXARS-06）收稿日期：2018-03-21