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小西葫芦绿斑驳花叶病毒生物学特性及传播方式
Biological characteristics and transmission modes of zucchini green mottle mosaic virus

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文摘 小西葫芦绿斑驳花叶病毒(Zucchini green mottle mosaic virus, ZGMMV)是我国新报道的侵染葫芦科作物的烟草花叶病毒属病毒。从感染病毒的葫芦叶片中分离出ZGMMV,摩擦接种西瓜(Citrullus lanatus)、葫芦(Lagenaria siceraria)、西葫芦(Cucurbita pepo)、南瓜(Cucurbita moschata)、丝瓜(Luffa cylindrica)、黄瓜(Cucumis sativus)、甜瓜(Cucumis melo)、西方烟(Nicotiana occidentalis)、本生烟(Nicotiana benthamiana)和心叶烟(Nicotiana glutinosa),通过症状观察、血清学和分子生物学检测明确症状特点和寄主范围;研究病毒的种子传播,以及整枝打杈和滴灌对于病毒的传播。结果表明:ZGMMV可侵染所有供试植物;叶片症状主要为花叶、斑驳和褪绿斑,西瓜茎蔓出现坏死斑、果实倒瓤,甜瓜果实表皮出现褪绿斑; ZGMMV可通过整枝打杈等农事操作机械传播,也可通过滴灌的水在土壤中传播。该病毒在西瓜、葫芦和甜瓜上可以种传,种传率均约为1%。研究结果有助于制订该病害的综合防控策略。
其他语种文摘 Zucchini green mottle mosaic virus(ZGMMV), belonging to the genus Tobamovirus, was newly reported from China in 2018. In this study, we purified ZGMMV from field-grown bottle gourd sample, and inoculated bottle gourd(Lagenaria siceraria), watermelon(Citrullus lanatus), muskmelon(Cucumis melo), cucumber(C. sativus), zucchini(Cucurbita pepo), pumpkin(Cucurbita moschata), luffa(Luffa cylindrica), Nicotiana benthamiana, N. glutinosa and N. occidentalis at the seedling stage. Through the symptom observation, serological and molecular detection, the host symptoms and range were investigated. The results showed that ZGMMV could infect all tested plants. The symptoms were mosaic, mottle and chlorotic spots on the leaves of all inoculated plants. In addition, necrotic spots on stem and flesh decay were observed in watermelon, and chlorotic spots appeared on the fruit surface of muskmelon. We studied the transmission modes through pruning, drip irrigation and seeds. Results showed that ZGMMV can be transmitted by mechanical pruning, drip irrigation water and seeds. It was confirmed that one percent of seed transmission occurred in bottle gourd, watermelon and muskmelon. These results will help us to design effective prevention and control strategy for the virus.
来源 植物病理学报 ,2022,52(1):68-76 【核心库】
DOI 10.13926/j.cnki.apps.000570
关键词 小西葫芦绿斑驳花叶病毒 ; 摩擦接种 ; 甜瓜 ; 西瓜 ; 传播 ; 倒瓤
地址

中国农业科学院郑州果树研究所, 郑州, 450009

语种 中文
文献类型 研究性论文
ISSN 0412-0914
学科 植物保护
基金 国家西甜瓜产业技术体系 ;  中央级公益性科研院所基本科研业务专项基金
文献收藏号 CSCD:7233870

参考文献 共 34 共2页

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1 苏琦 广东省蒲瓜病毒种类鉴定及多重RT-PCR检测方法的建立 中国农业科学,2023,56(23):4684-4695
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