促植物生长根际细菌A21-4对田间辣椒生长及根际土壤微生态环境的影响

doi:10.16409/j.cnki.2095-039x.2016.01.013

中国生物防治学报 ›› 2016, Vol. 32 ›› Issue (1): 86-92.DOI: 10.16409/j.cnki.2095-039x.2016.01.013

促植物生长根际细菌A21-4对田间辣椒生长及根际土壤微生态环境的影响

吕雅悠¹, 于迪², 丁方丽¹, 朴凤植², 申顺善¹

1. 河南农业大学植物保护学院, 郑州 450002;
2. 河南农业大学园艺学院, 郑州 450002

收稿日期:2015-04-02 出版日期:2016-02-08 发布日期:2016-02-22
通讯作者: 申顺善, 朴凤植
作者简介:吕雅悠(1990-),硕士研究生,E-mail:lvyayou2010@163.com
基金资助:
国家农业产业技术体系项目(CARS-25-C-06);河南省高等学校重点科研项目(15A210033);河南省重点科技攻关资助项目(122102110042)

Effects of PGPR Strain A21-4 on Growth and Rhizosphere Soil Charactors of Pepper in Field

LÜ Yayou¹, YU Di², DING Fangli¹, PIAO Fengzhi², SHEN Shunshan¹

1. College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China;
2. College of Horticulture, Henan Agricultural University, Zhengzhou 450002, China

Received:2015-04-02 Online:2016-02-08 Published:2016-02-22

摘要/Abstract

摘要： 为研究促植物生长根际细菌A21-4对辣椒生长发育和根际土壤微生态的影响,细菌A21-4灌根处理辣椒进行田间试验,测定了辣椒生长指标、土壤酶活性、速效氮磷钾及微生物种群数量。结果表明,细菌A21-4处理显著提高了辣椒成株期的茎粗、叶绿素含量和根系活力,辣椒移栽30 d后分别比对照提高了23.66%、56.26%和42.24%;移栽60 d后对辣椒果实的蛋白质、维生素C和硝态氮的含量分别提高了29.32%、53.97%和129.84%;移栽30~70 d,辣椒根际土壤过氧化氢酶、脲酶和磷酸酶活性分别显著提高22.95%~32.31%、24.32%~94.11%和49.41%~271.74%;土壤速效氮、磷、钾含量分别显著增加7.60%~49.25%、7.24%~17.93%和12.70%~25.61%;显著增加根际土壤细菌和放线菌数量,而降低真菌数量。

关键词: 促植物生长根际细菌, 辣椒, 促生效果, 土壤微生态, 普城沙雷菌

Abstract: Authors investigated the effects of PGPR strain A21-4 on growth and rhizosphere soil characters of pepper by measuring growth index, soil enzyme activity, available N, P and K content and microorganism quantity after watering peppers with A21-4 in field experiments. The results showed that inoculation with A21-4 significantly enhanced stem diameter, chlorophyll content and root activity of pepper in adult stage by 23.66%, 56.26% and 42.24%, respectively, compared with those under control. Protein, vitamin C and nitrate nitrogen contents were all significantly increased by 29.32%, 53.97% and 129.84%, respectively, in pepper fruits; The catalase, urease and phosphatase activities of rhizosphere soil were increased by 22.95%-32.31%, 24.32%-94.11% and 49.41%-271.74%, respectively. Available N, available P and available K contents were increased by 7.60%-49.25%, 7.24%-17.93% and 12.70%-25.61%, respectively. In addition, treatment of A21-4 promoted significantly the numbers of rhizosphere soil bacteria and actinomycetes, but significantly reduced the numbers of rhizosphere soil fungi.

Key words: PGPR, pepper, effect of growth promotion, soil microbial ecology, Serratia plymuthica

中图分类号:

S476

吕雅悠, 于迪, 丁方丽, 朴凤植, 申顺善. 促植物生长根际细菌A21-4对田间辣椒生长及根际土壤微生态环境的影响[J]. 中国生物防治学报, 2016, 32(1): 86-92.

LÜ Yayou, YU Di, DING Fangli, PIAO Fengzhi, SHEN Shunshan. Effects of PGPR Strain A21-4 on Growth and Rhizosphere Soil Charactors of Pepper in Field[J]. journal1, 2016, 32(1): 86-92.

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促植物生长根际细菌A21-4对田间辣椒生长及根际土壤微生态环境的影响

Effects of PGPR Strain A21-4 on Growth and Rhizosphere Soil Charactors of Pepper in Field

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