Abstract
Banana wilt was a soil-borne disease caused by Fusarium oxysopoyum f. sp. cubens, and its spread has seriously affected the development of the banana industry. The combination of mature organic fertilizer-compost (OF) with three bacteria strains (Bacillus subtilis,Bacillusmucilaginosus and Bacillus megaterium) constructed bio-organic fertilizer (BOF) and biocompound fertilizer(BCF). Control effects of OF, BOF and BCF (comparison of the normal state with sterilization ) on banana wilt disease were studied and the soil bacterial community diversity was investigated by Biolog Eco plate under pot experiment of Musa paradisica (AAB). The results showed that three kinds of fertilizers had different effect on biological control of banana wilt disease. Disease index of BOF or BCF treatment was significantly lower than that of the single Foc. However, the difference was insignificant between OF and Foc. Control effect of BOF and BCF on banana wilt disease were 53.8% and 61.5% respectively. Compared BOF or BCF with its sterilization treatment and OF, it was concluded that functional bacteria played an important role in disease inhibition. BOF and BCF significantly promoted the plant growth: the fresh weight of plantlets with BOF and BCF were increased by 70.9% and 35.0% respectively compared with the single Foc. Biolog Eco plate experiment results showed that AWCD and Shannon diversity index ( H′ )of soil microbial community with the single Foc was higher than that of CK0, but they were lower compared with fertilizer treatments. Shannon eveness index (E) was insignificant among all treatments. Three kinds of fertilizer and Foc caused changes in soil microbial community, and the trend of AWCD and Shannon diversity index were reverse compared with control effect.
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Claims 13
Claim · model-written summary
BOF or BCF significantly lowered the disease index of banana wilt compared with the single Foc.
Verbatim
e1“Disease index of BOF or BCF treatment was significantly lower than that of the single Foc. However, the difference was insignificant between OF and Foc”
t0“banana”
Claim · model-written summary
OF did not differ significantly from Foc in disease index of banana wilt.
Verbatim
e1“Disease index of BOF or BCF treatment was significantly lower than that of the single Foc. However, the difference was insignificant between OF and Foc”
t0“banana”
Claim · model-written summary
The control effect of BOF on banana wilt was 53.8%.
Not reportedComparatorDirection
Verbatim
e2“Control effect of BOF and BCF on banana wilt disease were 53.8% and 61.5% respectively”
t0“banana”
Claim · model-written summary
The control effect of BCF on banana wilt was 61.5%.
Not reportedComparatorDirection
Verbatim
e2“Control effect of BOF and BCF on banana wilt disease were 53.8% and 61.5% respectively”
t0“banana”
Claim · model-written summary
BOF and BCF significantly promoted plant growth of banana plantlets.
Not reportedComparator
Verbatim
e4“BOF and BCF significantly promoted the plant growth”
t0“banana”
Claim · model-written summary
The fresh weight of banana plantlets with BOF was 70.9% higher than with the single Foc.
Verbatim
e3“the fresh weight of plantlets with BOF and BCF were increased by 70.9% and 35.0% respectively compared with the single Foc”
t0“banana”
Claim · model-written summary
The fresh weight of banana plantlets with BCF was 35.0% higher than with the single Foc.
Verbatim
e3“the fresh weight of plantlets with BOF and BCF were increased by 70.9% and 35.0% respectively compared with the single Foc”
t0“banana”
Claim · model-written summary
The single Foc raised AWCD and Shannon diversity of the soil microbial community above the CK0 control.
Verbatim
e5“AWCD and Shannon diversity index ( H′ )of soil microbial community with the single Foc was higher than that of CK0, but they were lower compared with fertilizer treatments”
t0“banana”
Claim · model-written summary
AWCD and Shannon diversity of the soil microbial community were lower with the single Foc than with fertilizer treatments.
Verbatim
e5“AWCD and Shannon diversity index ( H′ )of soil microbial community with the single Foc was higher than that of CK0, but they were lower compared with fertilizer treatments”
t0“banana”
Claim · model-written summary
Shannon evenness of the soil microbial community was insignificant among all treatments.
Verbatim
e6“Shannon eveness index (E) was insignificant among all treatments”
t0“banana”
Claim · model-written summary
Three kinds of fertilizer and Foc changed the soil microbial community, and the trend of AWCD and Shannon diversity index was reverse to the control effect.
Verbatim
e7“Three kinds of fertilizer and Foc caused changes in soil microbial community, and the trend of AWCD and Shannon diversity index were reverse compared with control effect”
t0“banana”
Claim · model-written summary
The authors conclude that functional bacteria play an important role in disease inhibition of banana wilt.
Verbatim
e2“it was concluded that functional bacteria played an important role in disease inhibition”
t0“banana”
Claim · model-written summary
Three kinds of fertilizers had different effects on biological control of banana wilt disease.
Verbatim
e1“three kinds of fertilizers had different effect on biological control of banana wilt disease”
t0“banana”
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