Status and Perspective of Bioherbicde Development for Organic Weed Management

Pyon, J.Y.; Lee, Jeung Joo; Park, Kee Woong

doi:10.5660/wts.2017.6.1.1

Cited by 5 publications

(1 citation statement)

References 35 publications

(26 reference statements)

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“…Fungi can exert herbicidal effects primarily owing to the role of their metabolites. It is particularly important to study the mechanism of metabolites [21].…”

Section: Discussionmentioning

confidence: 99%

Physiological and Biochemical Responses of Sagittaria trifolia L. to Phytotoxic Ethyl Acetate Fungal Extract from Curvularia lunata Strain CLST-01

Wang

et al. 2023

Plants

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Curvularia lunata (No. CLST-01), a fungal pathogen isolated from the threeleaf arrowhead (Sagittaria trifolia L.), has been proposed as a potential mycoherbicide for grass weeds. This paper investigated the physiological and biochemical effects of CLST-01 phytotoxic ethyl acetate fungi extract on the leaves of the threeleaf arrowhead. The results showed that the ethyl acetate fungi extract from CLST-01 can accelerate damage to the cell membrane, increase the production of malondialdehyde, and damage the cellular structure, which could decrease the number of chloroplasts after 96 h treatments. In addition, the content of chlorophyll was reduced by 49.5%, and the net photosynthetic rate, stomatal conductance, and transpiration rate were inhibited. The rates of inhibition were 90.13%, 83.74%, and 79.31%, respectively, and the intercellular CO2 concentration increased by 51.87% on Day 9 after treatment with a concentration of 200 μg/mL. In summary, the phytotoxic ethyl acetate fungal extract from C. lunata CLST-01 can inhibit the photosynthesis of the threeleaf arrowhead leaves, destroy the ultrastructure of leaves, and affect the growth of this invasive weed. Therefore, it has the potential to be developed into a mycoherbicide for weed control in crops as a natural photosynthetic inhibitor.

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“…Fungi can exert herbicidal effects primarily owing to the role of their metabolites. It is particularly important to study the mechanism of metabolites [21].…”

Section: Discussionmentioning

confidence: 99%