The mycobiota associated with the weed water hyacinth<i>Pontederia crassipes</i>in Kolkata, India, with emphasis on biological control of the macrophyte

Dutta, Writuparna; Misra, Deblina; Chowdhury, P; Prieto, Jorge Carlos Galarza; Das, Shreyasi; Marimuthu, Kasi; Rây, Prafulla Chandra

doi:10.1080/09583157.2023.2191298

Cited by 3 publications

(2 citation statements)

References 42 publications

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“…In response to such biotic and abiotic stresses, multilayered defense strategies have been incorporated during this magnanimous evolutionary time scale (Ahmad et al 2022). Classical weed biocontrol also depends a lot on ecological interactions and the evolutionary history of specialist herbivores and their host plants to manage invasive plants in their introduced range (Dutta et al 2023). The secondary biochemistry of plants plays a signi cant role in the evolution of plant-arthropods-fungi relationships, along with the shared history of co-evolution and complementation which leads to co-existence and host-speci city (Dethier 1954).…”

Section: Discussionmentioning

confidence: 99%

“…Fungal pathogen and insects used for the study Cultures of fungi Fusarium oxysporum Schlecht (FO) were isolated from diseased leaves of WH and collected during periodical surveys of various water bodies in and around Kolkata (Dutta et al 2023). They were selected for this study because they have an excellent potential for causing disease against water hyacinths under controlled conditions (Dutta 2021).…”

Section: Collection and Maintenance Of Plantmentioning

confidence: 99%

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Impact of Biocontrol Agents on Biochemical Changes of Aquatic Weed Water Hyacinth, Pontederia crassipes (Mart.) Solms-Laubach

Misra,

Dutta,

Prieto

et al. 2024

Preprint

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Invasive weeds are rapidly adapting to evolutionary changes, brought about by exposure to the plethora of plant-antagonist’s interactions, which eventually leave an effect on the biological control of the weed. These interactions create an array of biochemical responses in the plant, which induce a range of defensive mechanisms to reduce the threat of injury. The present investigation reports the role of plant secondary metabolites in plant defense that may involve deterrence of antifeedant activity associated with the application of biocontrol agents against Pontederia crassipes. Generally, an infestation is preferred on non-challenged plants, as increased content of alkaloid, phenol, or tannin, which Pontederia crassipes produces when infested by its agents, deters the latter by providing a toxic unpleasant atmosphere. Variation in flavonoid level also brings about some physiochemical changes in the weed which impede the entry of phytopathogens. When a few metabolites are used to dissuade the agents, some, like glycosides, attract feeders to lay eggs and allow their population to flourish. This study concentrates on the signals that enable P. crassipes to recognize and respond to the attack and measure the effect in biochemical terms. Through this has, an overall outlook of the fitness costs of attack not only for the weed but over the range of trophic levels has been enlightened with more scope to understand the underlying mechanisms, before the multi-agent release of agents.

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Section: Discussionmentioning

confidence: 99%

Section: Collection and Maintenance Of Plantmentioning

confidence: 99%

Impact of Biocontrol Agents on Biochemical Changes of Aquatic Weed Water Hyacinth, Pontederia crassipes (Mart.) Solms-Laubach

Misra,

Dutta,

Prieto

et al. 2024

Preprint

Self Cite

View full text Add to dashboard Cite

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Sustainable fuel production from water hyacinth: evaluation for cooking applications and resource mapping

Wathore,

Hamdan,

Badki

et al. 2024

Biomass Conv. Bioref.

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Phytopathogenic Fungi and Their Active Metabolites With Bioherbicidal Potential Against the Invasive Alligator Weed, Alternanthera philoxeroides

Basak,

Dutta,

Basu

et al. 2024

Journal of Phytopathology

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Alligator weed (Alternanthera philoxeroides), originally from South America, is a notorious semi‐aquatic invasive species in many countries, including India. Due to its amphibious nature, it not only damages the aquatic environment but is also detrimental to the terrestrial ecosystem. To seek an environmentally sound control option for alligator weed, this study focused on selecting an appropriate mycoherbicidal agent. A series of steps from field survey‐based collection, isolation and selection of promising fungal strains, followed by host range determination to biocontrol potential studies against the weed were undertaken. Twenty‐three phytopathogenic fungi were isolated, and among these, the fungi with the highest herbicidal activity (> 90% disease severity) were subjected to morphological and molecular characterisation and identified as Alternaria alternantherae (= Nimbya alternanthera). The fungus and its crude metabolites were tested against 76 plant species, showing a relatively narrow host range. This fungal species is being reported from West Bengal, India, for the first time. Although the fungus has been considered as a potential biocontrol tool against alligator weed in countries such as Australia, Brazil and China, long‐term, detailed research for A. alternantherae and its active metabolites to be developed as bioherbicides against alligator weed remains indispensable.

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The mycobiota associated with the weed water hyacinthPontederia crassipesin Kolkata, India, with emphasis on biological control of the macrophyte

Cited by 3 publications

References 42 publications

Impact of Biocontrol Agents on Biochemical Changes of Aquatic Weed Water Hyacinth, Pontederia crassipes (Mart.) Solms-Laubach

Impact of Biocontrol Agents on Biochemical Changes of Aquatic Weed Water Hyacinth, Pontederia crassipes (Mart.) Solms-Laubach

Sustainable fuel production from water hyacinth: evaluation for cooking applications and resource mapping

Phytopathogenic Fungi and Their Active Metabolites With Bioherbicidal Potential Against the Invasive Alligator Weed, Alternanthera philoxeroides

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