Weed control spectrum and turfgrass tolerance to bioherbicide<i>Phoma macrostoma</i>

Smith, Jason F.; Wherley, Benjamin; Reynolds, Casey; White, Richard; Senseman, Scott A.; Falk, S. P.

doi:10.1080/09670874.2015.1014450

Cited by 18 publications

(8 citation statements)

References 14 publications

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“…Three weeks after treatment, barnyardgrass control was assessed by estimating the reduction in weed fresh mass after sulcotrione treatment compared to untreated control. Thedata was calculated using Henderson-Tilton formula [26]. Visual evaluation of the herbicidal efficacy was based on the comparison of the condition of barnyardgrass plants from objects treated with sulcotrione with plants from the untreated control.…”

Section: Greenhouse Experimentsmentioning

confidence: 99%

Effect of Adjuvants and pH Adjuster on the Efficacy of Sulcotrione Herbicide

et al. 2020

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The effectiveness of herbicides is affected by the pH of the spray liquid. The use of adjuvants can mitigate the negative effect of pH, and it also allows for a reduction in herbicide doses while maintaining high efficiency. Greenhouse studies were performed to evaluate the efficacy of the herbicide sulcotrione (HRAC F2), against barnyardgrass, at full or reduced doses with adjuvants, and a modified pH of the solutions. The contact angle and surface tension of liquid spray drops, as well as the shear viscosity of individual solutions, were also tested. Results indicated that at a low pH of the spray liquid (4), the use of a reduced dose of sulcotrione with adjuvant based on methylated rapeseed oil can increase the effectiveness of barnyardgrass control to the same level as at the full dose of herbicide. The use of adjuvants contributed to the reduction in the contact angle and the surface tension of liquid spray droplets. No significant differences in shear viscosity were observed for individual solutions.

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Section: Greenhouse Experimentsmentioning

confidence: 99%

Effect of Adjuvants and pH Adjuster on the Efficacy of Sulcotrione Herbicide

et al. 2020

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“…P. herbarum , a fungal pathogen originally isolated from dandelion leaf lesions in Southern Ontario, has been investigated for control of dandelions in turf ( Neumann and Boland, 1999 ; Stewart-Wade and Boland, 2005 ). P. macrostoma has also been investigated for similar purposes as it has been observed to specifically inhibit the growth of dicot plants ( Bailey et al, 2011 , 2013 ; Smith et al, 2015 ). The 94-44B strain of this species has been registered for control of broadleaf weeds in turf systems in Canada and the US ( Evans et al, 2013 ).…”

Section: Biological Control Of Weeds Using Fungimentioning

confidence: 99%

Controlling weeds with fungi, bacteria and viruses: a review

2015

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Weeds are a nuisance in a variety of land uses. The increasing prevalence of both herbicide resistant weeds and bans on cosmetic pesticide use has created a strong impetus to develop novel strategies for controlling weeds. The application of bacteria, fungi and viruses to achieving this goal has received increasingly great attention over the last three decades. Proposed benefits to this strategy include reduced environmental impact, increased target specificity, reduced development costs compared to conventional herbicides and the identification of novel herbicidal mechanisms. This review focuses on examples from North America. Among fungi, the prominent genera to receive attention as bioherbicide candidates include Colletotrichum, Phoma, and Sclerotinia. Among bacteria, Xanthomonas and Pseudomonas share this distinction. The available reports on the application of viruses to controlling weeds are also reviewed. Focus is given to the phytotoxic mechanisms associated with bioherbicide candidates. Achieving consistent suppression of weeds in field conditions is a common challenge to this control strategy, as the efficacy of a bioherbicide candidate is generally more sensitive to environmental variation than a conventional herbicide. Common themes and lessons emerging from the available literature in regard to this challenge are presented. Additionally, future directions for this crop protection strategy are suggested.

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“…P. herbarum is a fungus that is isolated from lesions of dandelion leaf that have shown control effects of dandelion [135]. P. macrostoma has also been studied for weed control due to its inhibitory effects on the dicot plants [18,136,137]. P. macrostoma strain (94-44B) has been found to control turf associated with broad-leaved weeds in Canada.…”

Section: Fungi (Mycoherbicides) In Biological Weed Controlmentioning

confidence: 99%

Application Potentials of Plant Growth Promoting Rhizobacteria and Fungi as an Alternative to Conventional Weed Control Methods

Mustafa¹,

Naveed²,

Saeed³

et al. 2020

Sustainable Crop Production

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Weeds are the plants usually grown on unwanted places and are notorious for causing interruptions in agricultural settings. Remarkable yield losses have been reported in fields infested with weeds worldwide. So far, these weeds cause about 34% of losses to yields of major agricultural crops and pose threats to economic condition of the farmers. Conventionally, weed control was achieved by the use of chemical herbicides and traditional agronomic practices. But these methods are no more sustainable as the magnitude of threats imposed by these conventionally outdated methods such as chemical herbicides is greater than the benefits achieved and their continuous use has disturbed biodiversity and weed ecology along with herbicide resistance in some weeds. Herbicide residues are held responsible for human health hazards as well. Therefore the future of weed control is to rely on alternative approaches which may be biological agents such as bacteria and fungi. This chapter highlights the potentials of using bacterial and fungal biocontrol agents against weeds in farmer fields. Moreover, detailed review on merits and demerits of conventional weed control methods is discussed in this chapter.

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Weed control spectrum and turfgrass tolerance to bioherbicidePhoma macrostoma

Cited by 18 publications

References 14 publications

Effect of Adjuvants and pH Adjuster on the Efficacy of Sulcotrione Herbicide

Effect of Adjuvants and pH Adjuster on the Efficacy of Sulcotrione Herbicide

Controlling weeds with fungi, bacteria and viruses: a review

Application Potentials of Plant Growth Promoting Rhizobacteria and Fungi as an Alternative to Conventional Weed Control Methods

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