Accelerated Microbial Degradation of Nematicides in Vineyard and Orchard Soils

Hugo, H. J.; Mouton, Carole; Malan, Antoinette P.

doi:10.21548/35-1-998

Cited by 12 publications

(10 citation statements)

References 76 publications

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“…Becker, and J.H. Baird, unpublished data), the frequent use of even the most effective pesticide is a recipe for a buildup of biodegrading microorganisms (Hugo et al, 2016) and against basic IPM guidelines. Reliance on only one active ingredient against a formidable pest like pacific shoot-gall nematode significantly increases the likelihood of developing resistance, especially given that resistance to fungal pathogens has been documented with fluopyram and other SDHI fungicides (Amiri et al, 2017;Popko et al, 2018;Sierotzki and Scalliet, 2013).…”

Section: Discussionmentioning

confidence: 99%

Fluopyram Controls Shoot-galling Caused by Pacific Shoot-gall Nematode and Improves Turf Quality in Annual Bluegrass Putting Greens

Petelewicz

Orliński

Schiavon

et al. 2020

hortte

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Golf courses in coastal regions of northern California are often faced with severe injury caused by pacific shoot-gall nematodes (Anguina pacificae) on their annual bluegrass (Poa annua) host in putting greens. For years, fenamiphos was used for mitigating disease outbreaks until its registration was withdrawn in 2008. An alternative product containing azadirachtin was intended for nematode suppression. Still, it required repeated applications throughout the year with questionable efficacy, making attempts to lessen the impact of the pathogen costly. This study evaluated fluopyram as a novel nematicide for control of pacific shoot-gall disease. Various application frequencies and rates were tested at several golf courses affected by the nematode. Results revealed that fluopyram applied once at 0.22 lb/acre reduced the number of new shoot-galls and improved annual bluegrass appearance for several months. Increased rates and application frequency occasionally improved the efficacy further. Although the visual quality of turf treated with this plant protection compound was tremendously enhanced, and the number of new shoot-galls was reduced, rarely a significant effect was observed on the population density of several soil-dwelling plant-parasitic nematodes, including pacific shoot-gall nematode. It is hypothesized that fluopyram did not move significantly past the thatch layer and into the soil. However, it effectively reduced the ability of pacific shoot-gall nematode juveniles to induce new shoot galls. Due to its long half-life, it likely protected against both new nematode infections and dissemination of pacific shoot-gall nematode when the shoot-galls decomposed.

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Section: Discussionmentioning

confidence: 99%

Fluopyram Controls Shoot-galling Caused by Pacific Shoot-gall Nematode and Improves Turf Quality in Annual Bluegrass Putting Greens

Petelewicz

Orliński

Schiavon

et al. 2020

hortte

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“…The use of fenamiphos is limited due to its persistence in the environment and its effect on non-target organisms. Continuous use of fenamiphos reduces its efficacy against targeted nematodes due to its biodegradability hence; it is recommended to change to other commercially available nematicides after every three years (Hugo et al ., 2014).…”

Section: Discussionmentioning

confidence: 99%

Nematode Management in Rain-Fed Smallholder Maize Production Systems Under Conservation Agriculture in Zimbabwe

Madamombe

Nyagumbo²,

Mvumi

et al. 2017

Ex. Agric.

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SUMMARYNematode infestation in Sub-Saharan Africa's (SSA) cropping systems, worsened by poor crop rotations, is a major factor contributing to limited utilisation of applied nutrients and water, leading to low maize (Zea mays L.) yields particularly on sandy soils. The effects of nematode infestation on maize productivity were evaluated under conservation agriculture (CA) on granitic sandy soils in sub-humid smallholder farms of Goromonzi district of Zimbabwe. Four treatments were tested for three seasons on six smallholder farmers’ fields in a randomised complete block design, each farm being a replicate: fenamiphos 40EC (a commercial synthetic nematicide), lime + fenamiphos 40EC, lime and an untreated control. Results of the study showed that independent application of fenamiphos 40EC and lime significantly reduced plant parasitic nematode infestations in maize roots by more than 10 times those present in the untreated plots while maize yield also increased significantly. Yield increase from fenamiphos and lime applications amounted to 53 and 42% respectively, compared to the untreated controls. Maize yield was negatively correlated with density of Pratylenchus spp. nematodes. Nematode management strategies involving fenamiphos 40EC or lime could significantly reduce maize yield losses in maize-based smallholder farming systems of SSA under CA. It was more economical to use fenamiphos than lime to control nematodes.

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“…(1) Degradation and transformation of pesticides was affected by microbial species, metabolic activity, and adaptability directly [ 82 ].…”

Section: Research On the Progress Of Microbial-degradation Of Pestmentioning

confidence: 99%

Microbial Degradation of Pesticide Residues and an Emphasis on the Degradation of Cypermethrin and 3-phenoxy Benzoic Acid: A Review

et al. 2018

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Nowadays, pesticides are widely used in preventing and controlling the diseases and pests of crop, but at the same time pesticide residues have brought serious harm to human’s health and the environment. It is an important subject to study microbial degradation of pesticides in soil environment in the field of internationally environmental restoration science and technology. This paper summarized the microbial species in the environment, the study of herbicide and pesticides degrading bacteria and the mechanism and application of pesticide microbial degrading bacteria. Cypermethrin and other pyrethroid pesticides were used widely currently, while they were difficult to be degraded in the natural conditions, and an intermediate metabolite, 3-phenoxy benzoic acid would be produced in the degradation process, causing the secondary pollution of agricultural products and a series of problems. Taking it above as an example, the paper paid attention to the degradation process of microorganism under natural conditions and factors affecting the microbial degradation of pesticide. In addition, the developed trend of the research on microbial degradation of pesticide and some obvious problems that need further solution were put forward.

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Accelerated Microbial Degradation of Nematicides in Vineyard and Orchard Soils

Cited by 12 publications

References 76 publications

Fluopyram Controls Shoot-galling Caused by Pacific Shoot-gall Nematode and Improves Turf Quality in Annual Bluegrass Putting Greens

Fluopyram Controls Shoot-galling Caused by Pacific Shoot-gall Nematode and Improves Turf Quality in Annual Bluegrass Putting Greens

Nematode Management in Rain-Fed Smallholder Maize Production Systems Under Conservation Agriculture in Zimbabwe

Microbial Degradation of Pesticide Residues and an Emphasis on the Degradation of Cypermethrin and 3-phenoxy Benzoic Acid: A Review

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