解淀粉芽胞杆菌PHODB35对小麦的促生作用及产量影响

doi:10.16409/j.cnki.2095-039x.2019.03.011

中国生物防治学报 ›› 2019, Vol. 35 ›› Issue (3): 399-406.DOI: 10.16409/j.cnki.2095-039x.2019.03.011

解淀粉芽胞杆菌PHODB35对小麦的促生作用及产量影响

赵卫松¹, 李社增¹, 鹿秀云¹, 张晓云¹, 王培培¹, 郭庆港¹, 齐永志², 董丽红¹, 毛晓曦¹, 苏振贺¹, 马平¹

1. 河北省农林科学院植物保护研究所/河北省农业有害生物综合防治工程技术研究中心, 保定 071000;
2. 河北农业大学植物保护学院, 保定 071000

收稿日期:2018-07-18 出版日期:2019-06-08 发布日期:2019-06-17
通讯作者: 马平,博士,研究员,E-mail:pingma88@126.com
作者简介:赵卫松,博士,副研究员,E-mail:zhaoweisong1985@163.com
基金资助:
河北省自然科学基金（C2017301069，C2016204211）；河北省博士科研财政专项（494-0701-YBN-K9UA）；国家重点研发计划（2017YFD0201100）；河北省财政专项（F17C10007）

Growth-promotion Effect of Bacillus amyloliquefaciens PHODB35 on Wheat Plant and Yield

ZHAO Weisong¹, LI Shezeng¹, LU Xiuyun¹, ZHANG Xiaoyun¹, WANG Peipei¹, GUO Ginggang¹, QI Yongzhi², DONG Lihong¹, MAO Xiaoxi¹, SU Zhenhe¹, MA Ping¹

1. Integrated Pest Management Center of Hebei Province/Institute of Plant Protection, Hebei Academy of Agricultural and Forestry Sciences, Baoding 071000, China;
2. College of Plant Protection, Agricultural University of Hebei, Baoding 071000, China

Received:2018-07-18 Online:2019-06-08 Published:2019-06-17

摘要/Abstract

摘要： 解淀粉芽胞杆菌Bacillus amyloliquefaciens PHODB35是一株具有抑菌和促生作用的多功能菌株。为了明确其对小麦的促生作用，通过离体平皿法研究菌株PHODB35发酵液对小麦种子萌发和幼苗生长的影响。结果表明，菌株PHODB35发酵液对种子萌发和芽长生长存在不同程度影响，其中高浓度发酵液（10×10⁸和2×10⁸ CFU/mL）对上述指标具有抑制作用，低浓度发酵液（1×10⁸、1×10⁷、2×10⁶和1×10⁶ CFU/mL）对种子萌发不存在显著影响，但促进芽长的生长，其增长幅度为13.48%~20.22%，初步明确了菌株PHODB35适宜的接种浓度为1×10⁸ CFU/mL。温室盆栽试验表明，在该接种浓度处理后小麦的株高、鲜重、干重和基质有效磷含量均有不同程度的增加。同时以该菌株为活性成分研制的有机肥料（浓度为1×10⁸ CFU/g）的盆栽试验结果表明，随着PHODB35有机肥用量的增加，分别提高了基质有效磷和小麦植株全磷含量3.86和3.55倍，其促生作用优于普通有机肥。多地区的田间试验表明，PHODB35有机肥处理（T3）在产量方面高于化学肥料减施处理（T2），增产率5.31%~9.06%。该研究结果为解淀粉芽胞杆菌PHODB35有机肥的进一步产业化开发和应用提供了科学依据。

关键词: 解淀粉芽胞杆菌, 促生作用, 小麦, 化学肥料减施, 有机肥

Abstract: Bacillus amyloliquefaciens PHODB35 is a multifunctional bacterial strain which has significant control efficiency on diseases and growth-promotion effect on plants. In order to clarify the growth promoting effect of strain PHODB35 on wheat, seed germination and seedling growth treated with fermentation broth of strain PHODB35 were investigated by petri dish method in vitro. The results showed that the fermentation broth of strain PHODB35 had different effects on seed germination and bud length, and the high concentration of fermentation broth at 10×10⁸ and 2×10⁸CFU/mL had inhibitory effects,, respectively. Moreover, there was no significant difference on germination rate at the low concentration of 1×10⁸, 1×10⁷, 2×10⁶ and 1×10⁶ CFU/mL, but promoted the growth of bud growth, by 13.48% to 20.22%, respectively. It was preliminarily cleared that the suitable inoculum concentration of strain PHODB35 was 1×10⁸ CFU/mL. Pot experiment in greenhouse showed that the plant height, fresh weight, dry weight of wheat and available phosphorus content in substrate was increased to some extent under the suitable inoculum concentration of strain PHODB35. At the same time, the organic fertilizer (concentration of 1×10⁸ CFU/g) was developed with the active component of strain PHODB35. Pot experiments showed that the content of available phosphorus in substrate and total phosphorus in wheat were increased by 3.86 times and 3.55 times, respectively, with the increase of application of PHODB35 organic fertilizer. It was concluded that the growth-promoting effect of PHODB35 was better than that of common organic fertilizer. Field experiments in many areas showed that the yield of PHODB35 organic fertilizer (T3) was higher than that of chemical fertilizer treatment (T2), with the increase rate of 5.31% to 9.06%. The results provided a scientific basis for further industrial development and application of Bacillus amyloliquefaciens PHODB35 organic fertilizer.

Key words: Bacillus amyloliquefaciens, growth-promoting effects, wheat, chemical fertilizer reduction, organic fertilizer

中图分类号:

S476

赵卫松, 李社增, 鹿秀云, 张晓云, 王培培, 郭庆港, 齐永志, 董丽红, 毛晓曦, 苏振贺, 马平. 解淀粉芽胞杆菌PHODB35对小麦的促生作用及产量影响[J]. 中国生物防治学报, 2019, 35(3): 399-406.

ZHAO Weisong, LI Shezeng, LU Xiuyun, ZHANG Xiaoyun, WANG Peipei, GUO Ginggang, QI Yongzhi, DONG Lihong, MAO Xiaoxi, SU Zhenhe, MA Ping. Growth-promotion Effect of Bacillus amyloliquefaciens PHODB35 on Wheat Plant and Yield[J]. journal1, 2019, 35(3): 399-406.

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解淀粉芽胞杆菌PHODB35对小麦的促生作用及产量影响

Growth-promotion Effect of Bacillus amyloliquefaciens PHODB35 on Wheat Plant and Yield

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