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西瓜品种资源抗细菌性果斑病苗期鉴定

引用本文：康保珊,段曼曼,彭斌,李超汉,吴会杰,顾卫红,古勤生.西瓜品种资源抗细菌性果斑病苗期鉴定.植物保护学报,2022,49(2):547-552

DOI：10.13802/j.cnki.zwbhxb.2022.2020153

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作者	单位	E-mail
康保珊	中国农业科学院郑州果树研究所, 郑州 450009
段曼曼	中国农业科学院郑州果树研究所, 郑州 450009 南京农业大学植物保护学院, 南京 210095
彭斌	中国农业科学院郑州果树研究所, 郑州 450009
李超汉	上海市农业科学院园艺研究所, 上海市设施园艺技术重点实验室, 上海 201403
吴会杰	中国农业科学院郑州果树研究所, 郑州 450009
顾卫红	上海市农业科学院园艺研究所, 上海市设施园艺技术重点实验室, 上海 201403
古勤生	中国农业科学院郑州果树研究所, 郑州 450009	guqinsheng@caas.cn

中文摘要:为筛选高抗瓜类细菌性果斑病的西瓜资源,以24份西瓜品种资源为试材,采用苗期喷雾接种法分别接种分离自甜瓜上的瓜类嗜酸菌Acidovorax citrulli菌株pslb96和ZZ-1,鉴定各品种资源对瓜类细菌性果斑病的苗期抗性。结果表明,24份西瓜品种资源中未发现有对2株菌株表现免疫的材料,有7份资源对菌株pslb96表现高抗,12份资源对菌株ZZ-1表现高抗;9份资源对菌株pslb96表现中感或感病,7份资源对菌株ZZ-1表现中感和感病;对2株菌株均表现高抗的品种资源有野生型种质资源A9及商品种华欣、申蜜968、申选958和申抗988,占总品种资源的20.83%。部分品种资源A4、A13和申蜜7号对菌株pslb96和ZZ-1的抗性表现出明显的差异,表明相同寄主来源的2株不同菌株致病力存在差异。

中文关键词:细菌性果斑病西瓜抗病喷雾法瓜类嗜酸菌

Evaluation of watermelon seedlings for resistance to bacterial fruit blotch pathogen Acidovorax citrulli

Author Name	Affiliation	E-mail
KANG Bao-shan	Zhengzhou Fruit Research Institute, Chinese Agricultural Academy Sciences, Zhengzhou 450009, Henan Province, China
DUAN Man-man	Zhengzhou Fruit Research Institute, Chinese Agricultural Academy Sciences, Zhengzhou 450009, Henan Province, China College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, China
PENG Bin	Zhengzhou Fruit Research Institute, Chinese Agricultural Academy Sciences, Zhengzhou 450009, Henan Province, China
LI Chao-han	Shanghai Key Laboratory of Protected Horticultural Technology Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
WU Hui-jie	Zhengzhou Fruit Research Institute, Chinese Agricultural Academy Sciences, Zhengzhou 450009, Henan Province, China
GU Wei-hong	Shanghai Key Laboratory of Protected Horticultural Technology Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
GU Qin-sheng	Zhengzhou Fruit Research Institute, Chinese Agricultural Academy Sciences, Zhengzhou 450009, Henan Province, China	guqinsheng@caas.cn

Abstract:In order to screen watermelon varieties resistant to bacterial fruit blotch(BFB), caused by Acidovorax citrulli, 24 watermelon varieties and germplasms were inoculated with strains of A. citrulli,pslb96 and ZZ-1, derived from maskmelon through a seedling-spraying method. The results showed that out of the 24 varieties or germplasms tested, none were immune to the pathogenic strains; seven and 12 cultivars were highly resistant to pslb96 and ZZ-1, respectively; while nine and seven was susceptible to pslb96 and ZZ-1, respectively. Total five watermelon materials, accounting for 20.83%, including a germplasm, A9 as well as four cultivars, Huaxin, Shenmi 968, Shenxuan 958 and Shenkang988, showed high resistance to both pslb96 and ZZ-1. Three varieties A4, A13 and Shemmi 7 showed much different responses to pslb96 and ZZ-1. The results indicated that the pathogenicities of the two strains derived from same host are different.

keywords:bacterial fruit blotch watermelon resistance spray inoculation Acidovorax citrulli

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