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- Title
Bacillus pumilus increases boron uptake and inhibits rapeseed growth under boron supply irrespective of phosphorus fertilization.
- Authors
Masood, Sajid; Zhao, Xue Qiang; Shen, Ren Fang
- Abstract
The present study was carried out to investigate how plant growth-promoting bacteria (PGPB) influence plant growth and uptake of boron (B) and phosphorus (P) in rapeseed (Brassica napus). Rapeseed was subjected to control, B, P and B + P treatments, either with or without B. pumilus (PGPB) inoculation, and grown in pot culture for 6 weeks. In the absence of B. pumilus , the addition of B, P or both elements improved the growth of rapeseed compared with the control. Interestingly, B. pumilus inoculation inhibited plant growth and enhanced B uptake under B and B + P but not under control and P conditions. In addition, B. pumilus inoculation decreased the pH of soil under B and B + P supplies. Bacillus pumilus inoculation thus increased rapeseed B uptake and inhibited growth under B supply, which suggests that the effects of PGPB on rapeseed growth depend on the addition of B to soil. Bacillus pumilus inoculation may therefore be recommended for the enhancement of rapeseed B levels in B-deficient soils but not in B-sufficient ones.
- Subjects
BORON; BACILLUS pumilus; RAPESEED; PLANT inoculation; PHOSPHORUS; SOIL acidity; PLANT growth
- Publication
AoB Plants, 2019, Vol 11, Issue 4, pN.PAG
- ISSN
2041-2851
- Publication type
Article
- DOI
10.1093/aobpla/plz036