Scientia Silvae Sinicae ›› 2024, Vol. 60 ›› Issue (6): 60-70.doi: 10.11707/j.1001-7488.LYKX20230426
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Mengjie Zheng1,2(
),Wei Xie3,Xingcong Ma1,2,Jianqin Huang2,4,Liyuan Peng1,2,*,Hua Qin1,2
Received:2023-09-13
Online:2024-06-25
Published:2024-07-16
Contact:
Liyuan Peng
E-mail:2021603042054@stu.zafu.edu.cn
CLC Number:
Mengjie Zheng,Wei Xie,Xingcong Ma,Jianqin Huang,Liyuan Peng,Hua Qin. Effects of Root Exudation from Carya cathayensis on the Growth and Phosphorus Activation Ability of Phosphorus-Mobilization Bacteria[J]. Scientia Silvae Sinicae, 2024, 60(6): 60-70.
Fig.1
NA Effect of different treatments on OD600 of phosphorus dissolving bacteria in NA medium 0+BI: without root exudation, but with bacterial inoculation; Low concentration+BI: with low concentration of root exudation and bacterial inoculation; Medium concentration+BI: with medium concentration of root exudation and bacterial inoculation; High concentration+BI: with high concentration of root exudation and bacterial inoculation;A:the inoculated bacteria was strain CQ18;B: the inoculated bacteria was strain QP22. Absorbance values were measured at 600 nm."
Fig.2
Number of phosphorus solubilizing bacteria in mehknha organic phosphorus culture medium under different treatments 0+BI: without root exudation, but with bacterial inoculation; Low concentration+BI: with low concentration of root exudation and bacterial inoculation; Medium concentration+BI: with medium concentration of root exudation and bacterial inoculation; High concentration+BI: with high concentration of root exudation and bacterial inoculation;A:the inoculated bacteria was strain CQ18;B:the inoculated bacteria was strain QP22. Absorbance values were measured at 600 nm."
Fig.3
Changes in soluble phosphorus content in different treatment culture media 0-BI: without root exudation or bacterial inoculation；0+BI: without root exudation, but with bacterialinoculation; Low concentration+BI: with low concentration of root exudation and bacterial inoculation; Medium concentration+BI: with medium concentration ofroot exudation and bacterial inoculation; High concentration+BI: with high concentration of root exudation and bacterial inoculation;A:the inoculated bacteria wasstrain CQ18;B:the inoculated bacteria was strain QP22, different minuscule indicate significant differences between treatments on the same day （P<0.05）."
Fig.4
Changes of phosphatase activity in different treatments 0-BI, without root exudation or bacterial inoculation；0+BI, without root exudation, but with bacterialinoculation; Low concentration+BI, with low concentration ofroot exudation and bacterial inoculation; Medium concentration+BI, with medium concentration ofroot exudation and bacterial inoculation; High concentration+BI, with high concentration of root exudation and bacterial inoculation; A?C:inoculation of strain CQ18;D?F:inoculation of strain QP22,different minuscule indicate significant differences between treatments on the same day (P<0.05)."
Fig.5
Colonization quantity of phosphorus solubilizing bacteria in different soil treatments 0+BI:without root exudation, but with bacterialinoculation; Low concentration+BI:with low concentration of root exudation and bacterial inoculation; Medium concentration+BI:with medium concentration ofroot exudation and bacterial inoculation; High concentration+BI:with high concentration of root exudation and bacterial inoculation; A:the inoculated bacteria wasstrain CQ18; B:the inoculated bacteria was strain QP22."
Fig.6
Changes of available phosphorus content in soil under different treatments 0+BI:without root exudation, but with bacterialinoculation; Low concentration+BI:with low concentration of root exudation and bacterial inoculation; Medium concentration+BI:with medium concentration ofroot exudation and bacterial inoculation; High concentration+BI:with high concentration of root exudation and bacterial inoculation; a:the inoculated bacteria wasstrain CQ18; b:the inoculated bacteria was strain QP22."
Fig.7
Changes of acid phosphatase activity in soils under different treatments 0+BI:without root exudation, but with bacterialinoculation; Low concentration+BI:with low concentration of root exudation and bacterial inoculation; Medium concentration+BI:with medium concentration ofroot exudation and bacterial inoculation; High concentration+BI:with high concentration of root exudation and bacterial inoculation; a:the inoculated bacteria wasstrain CQ18; b:the inoculated bacteria was strain QP22."
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