哈里克湿地水葫芦的新病原菌残裂双瓣虫

Q3 Agricultural and Biological Sciences

journal of biopesticides Pub Date : 2016-12-01 DOI:10.57182/jbiopestic.9.2.180-188

B. Singh, S. Saxena, V. Meshram, M. Kumar

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引用次数: 2

摘要

本出版物报道了与Eichhornia crassipes (C Mart.)相关的真菌菌群。在印度旁遮普邦哈里克湿地上存在的菖蒲属植物及其对寄主植物的致病性及其作为生物防治剂的潜在应用从侵染样品中分离到的30株真菌中，只有1株#19BJSS在离体叶片生物测定中对叶片造成98%的损害或侵染，而在接种后168 h (hpi)的全株生物测定中，其植株死亡率为100%。形态学研究表明该菌株属于Botryosphaeriaceae科植物，并通过ITS系统发育研究进一步证实了这一点，其中分离物#19BJSS与Diplodia mutila聚类。葡萄球菌主要与木本植物的溃疡病和枯死病有关。这是首次报道残双plodia Diplodia mutila #19BJSS作为一种水葫芦病原菌的发生，以及它作为水葫芦生物防治剂的潜力。

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DIPLODIA MUTILA AS A NEW PATHOGEN ON WATER HYACINTH EICHHORNIA CRASSIPES IN HARIKE WETLAND

The present publication reports the mycobiota associated with Eichhornia crassipes (C Mart.) Solms (Pontederiaceae) infesting the Harike Wetland at Punjab in India and their potential application as a biological control agent based on their pathogenicity to the host plant. Of the 30 fungal isolates recovered from the infested samples of E. crassipes only one isolate #19BJSS caused 98% damage or infestation to the leaves during the in vitro leaf bioassay while it exhibited 100% plant death during the whole plant bioassay after 168 hours post inoculation (hpi). Morphological studies revealed it to be a member of Botryosphaeriaceae family which was further confirmed by Internal Transcribed Spacers (ITS) phylogenetic studies wherein the isolate #19BJSS clustered with Diplodia mutila. Botryosphaeria species have been predominantly associated with canker and die back diseases of woody plants. This is the first report of occurrence of Diplodia mutila #19BJSS as a pathogen of E. crassipes and for its potential as a biological control agent for the management of water hyacinth.

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来源期刊

journal of biopesticides Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

0.80

自引率

0.00%

发文量