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DOI	10.1007/s40858-019-00310-2
	Elucidating the etiology of onion bacterial scale rot in the semi-arid region of Northeastern Brazil
	Oliveira, Willams J.; Souza, Elineide B.; Silva, Adriano M. F.; Lima, Nelson B.; Leal, Carla M.; Candeia, Jonas A.; Gama, Marco A. S.
通讯作者	Gama, MAS (corresponding author), Univ Fed Rural Pernambuco, Dept Agron, BR-52171900 Recife, PE, Brazil.
来源期刊	TROPICAL PLANT PATHOLOGY
ISSN	1983-2052
出版年	2019
卷号	44 期号:6 页码:494-502
英文摘要	The etiology of onion scale rot caused by bacteria in the semi-arid region of northeastern Brazil is unclear, which complicates disease control. Forty-five bacterial strains collected from the main onion producing regions in the states of Pernambuco and Bahia were identified by sequencing and phylogenetic analysis of the 16S rRNA gene and were characterized by rep-PCR and pathological behaviour on onion. The strains were grouped into three clades: 29 strains in clade I formed by the Burkholderia cepacia complex, 10 strains in clade II formed by Burkholderia gladioli, and six strains in clade III formed by Pseudomonas aeruginosa. Rep-PCR analysis grouped the strains in 31 clusters at 70% similarity. However, it was not possible to identify the three clades by rep-PCR analysis. Inoculation of wounded onion scales showed that the strains from the B. cepacia complex and B. gladioli were more aggressive on onion scales than those from P. aeruginosa. Based on the phylogenetic identification performed in this study, we conclude that scale rot of onion bulb in the semi-arid region of northeastern Brazil is caused by bacteria from the B. cepacia complex, B. gladioli, and P. aeruginosa. In addition, more than one species of B. cepacia complex may be associated with the disease in this region.
英文关键词	Burkholderia cepacia complex Burkholderia gladioli Pseudomonas aeruginosa Sour skin
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000517122700003
WOS关键词	BURKHOLDERIA ; DIVERSITY
WOS类目	Plant Sciences
WOS研究方向	Plant Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/369553
作者单位	[Oliveira, Willams J.; Silva, Adriano M. F.; Leal, Carla M.; Gama, Marco A. S.] Univ Fed Rural Pernambuco, Dept Agron, BR-52171900 Recife, PE, Brazil; [Souza, Elineide B.] Univ Fed Rural Pernambuco, Dept Biol, BR-52171900 Recife, PE, Brazil; [Silva, Adriano M. F.] Univ Fed Alagoas, Ctr Ciencias Agr, BR-57100000 Rio Largo, AL, Brazil; [Lima, Nelson B.] Inst Patol Vegetal, Unidad Fitopatol & Modelizac Agr, RA-5119 Cordoba, Argentina; [Candeia, Jonas A.] Inst Agron Pernambuco, BR-56440000 Belem De Sao Francisco, PE, Brazil
推荐引用方式 GB/T 7714	Oliveira, Willams J.,Souza, Elineide B.,Silva, Adriano M. F.,et al. Elucidating the etiology of onion bacterial scale rot in the semi-arid region of Northeastern Brazil[J],2019,44(6):494-502.
APA	Oliveira, Willams J..,Souza, Elineide B..,Silva, Adriano M. F..,Lima, Nelson B..,Leal, Carla M..,...&Gama, Marco A. S..(2019).Elucidating the etiology of onion bacterial scale rot in the semi-arid region of Northeastern Brazil.TROPICAL PLANT PATHOLOGY,44(6),494-502.
MLA	Oliveira, Willams J.,et al."Elucidating the etiology of onion bacterial scale rot in the semi-arid region of Northeastern Brazil".TROPICAL PLANT PATHOLOGY 44.6(2019):494-502.