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Cotton Science
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中文
Figure/Table detail
The control effect and mechanism of
Bacillus velezensis
EBV02 on cotton Verticillium wilt
Bai Hongyan,Zhao Lihong,Pu Dandan,Feng Zili,Wei Feng,Feng Hongjie,Gu Aixing,Zhu Heqin,Peng Jun,Zhang Yalin
Cotton Science
, 2022, 34(
5
): 443-457. DOI:
10.11963/cs20220019
Fig. 1
Species identification of the strain EBV02
A, B: colony and cell morphology of the strain EBV02; C: phylogenetic tree of the strain EBV02 based on the sequence of 16S rDNA.
Other figure/table from this article
Table 1
Specific primer sequences of defense-related genes
Fig. 2
Inhibitory effect of the strain EBV02 on the hyphae of
V. dahliae
after 10 d of culture
A: blank control of confrontation culture; B: confrontation culture of EBV02; C: blank control of encounter culture; D: encounter culture of EBV02.
Fig. 3
Comparisons of spore production of
Verticillium dahliae
* indicates significant difference between the treatment and the control (
P
< 0.05).
Fig. 4
Comparisons of sclerotium germination rates at 20 h of dark culture
A, B, C represent cultured with stock solution, 1/2-dilution, 1/4-dilution of EBV02 sterile filtrate, respectively; D: LB medium (control). Different letters indicate significant differences (
P
< 0.05).
Table 2
Comparisons of germination rates and shoot length between seed soaking treatments
Table 3
Control effect of EBV02 on cotton Verticillium wilt at 15 d after inoculation with
V. dahliae
in a greenhouse
Fig. 5
Control effect of EBV02 treatment on cotton Verticillium wilt in a greenhouse
A: seed soaking control; B: seed soaking with EBV02; C: root irrigation control; D: root irrigation with EBV02.
Table 4
Comparison of cotton growth indexes of different treatments at 25 d after seedling emergence
Table 5
Field control effect of the strain EBV02 on cotton Verticillium wilt at 60 d after sowing
Table 6
Comparisons of cotton emergence rates and growth indexes between seed soaking treatments
Table 7
Comparisons of cotton yield and yield-related traits between EBV02 treatment and control under field conditions
Fig. 6
Performance of EBV02 enhanced cotton leaves against
V. dahliae
A: Root irrigation control; B: root irrigation with EBV02.
Fig. 7
Performance of EBV02 triggered the burst of reactive oxygen species in cotton
A: Root irrigation control; B: root irrigation with EBV02.
Fig. 8
EBV02 induced callose accumulation in cotton leaves
A: Root irrigation control; B: root irrigation with EBV02.
Fig. 9
The expression levels of defense-related genes
A-E: the relative expression levels of
POD
,
PPO
,
PAL
,
PR10
,
JAR1
; control meant cotton first treated with LB medium, and then inoculated with Vd080. EBV02 meant cotton first treated with EBV02 culture solution and then inoculated with Vd080. * indicates significant difference between the treatment and the control (
P
<0.05).
