Effects of milling and surfactants on suspensibility and spore viability in Paenibacillus polymyxa powder formulations

Liu, Zhenhua; Wei, Honggang; Li, Yuanguang; Li, Shulan; Zhang, Lin; Chen, Houlong

doi:10.1080/09583157.2011.603408

Cited by 6 publications

(2 citation statements)

References 11 publications

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“…This indicates that the kinetic stability of the nanosuspension was superior to the conventional formulations [40]. It was confirmed that suspensibility was inversely proportional to particle size, largely because brownian motion became acute with decreased particle size [41,42,43]. At the same time, surfactants also improved the pesticide dissolution performance.…”

Section: Resultsmentioning

confidence: 94%

Fabrication and Evaluation of Lambda-Cyhalothrin Nanosuspension by One-Step Melt Emulsification Technique

et al. 2019

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Recent years have witnessed significant progress in nanotechnology and pesticide research in pest control and crop protection. There are more motivations to develop nanoformulations that are less harmful to environment than conventional formulations. The use of nanosuspension has been proposed as a novel formulation to process poorly soluble pesticides. In this study, the lambda-cyhalothrin nanosuspension (LCNS) was prepared in a melt emulsification method. The prepared nanosuspension had a mean particle size of 12.0 ± 0.1 nm and a polydispersity index of 0.279 ± 0.135. The smaller particle size and polydispersity confer better wettability, stability and bioavailability than conventional suspension concentrates. The excellent properties of the nanosuspension were attributed to the reduced particle size and the emulsification and dispersion of the surfactants. The LCNS eliminates the need for organic solvents and significantly reduces the amount of surfactant required. The simple production process of LCNS saves production and equipment costs. The results indicate that lambda-cyhalothrin nanosuspensions would have a broad application prospect in agricultural production systems.

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Section: Resultsmentioning

confidence: 94%

Fabrication and Evaluation of Lambda-Cyhalothrin Nanosuspension by One-Step Melt Emulsification Technique

et al. 2019

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“…45) It was found that the surface activity and foaming property of lignosulfonate with a high molecular weight were superior to that with of low molecular weight, 46) so adding a small amount of sodium lignosulfonate to hammermilled powder will greatly increase the suspensibility. 47) Therefore, the significant effect of slower fungal growth in sodium lignosulfonate-treated media shown in this study was probably caused by other factors.…”

Section: Discussionmentioning

confidence: 73%

Effectiveness of Cordyceps fumosorosea Wettable Powder Formulation against Metisa plana (Walker) and Its Side Effects on Elaeidobius kamerunicus in Oil palm Plantation

Nasir,

Syarif,

Omar

et al. 2023

J. Pestic. Sci.

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Development of mycoinsecticides withCordyceps fumosorosea as an active ingredient is established as an alternate way to control the Metisa plana population while reducing chemical insecticide dependence. Three mycoinsecticide formulations (SS6, SS7, and SS8) with dispersing and wetting agents were developed as wettable powder formulations in this trial. SS8 demonstrated the best wettability, suspensibility, and dispersibility with viability at 10 7 (CFU)/mL even after three months of storage. However, SS7 developed with C. fumosorosea as an active ingredient was found to effectively reduce the bagworm population by more than 95%. The application of all mycoinsecticide formulations in the infested oil palm area was able to reduce the M. plana population by more than 95%, 30 DAT. The formulations also show no significant increase in mortality of the oil palm pollinator, Elaeidobius kamerunicus. This finding indicates that the C. fumosorosea tested has potential for managing bagworms without harming pollinators on oil palm plantations.

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Development of Formulations and Commercialization of Biological Products

Narayanasamy¹

2013

Biological Management of Diseases of Crops

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Effects of milling and surfactants on suspensibility and spore viability in Paenibacillus polymyxa powder formulations

Cited by 6 publications

References 11 publications

Fabrication and Evaluation of Lambda-Cyhalothrin Nanosuspension by One-Step Melt Emulsification Technique

Fabrication and Evaluation of Lambda-Cyhalothrin Nanosuspension by One-Step Melt Emulsification Technique

Effectiveness of <i>Cordyceps fumosorosea</i> Wettable Powder Formulation against <i>Metisa plana</i> (Walker) and Its Side Effects on <i>Elaeidobius kamerunicus</i> in Oil palm Plantation

Development of Formulations and Commercialization of Biological Products

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