TIF film, substrates and nonfumigant soil disinfestation maintain fruit yields

Fennimore, Steven A.; Serohijos, R.L.; Samtani, Jayesh B.; Ajwa, Husein A.; Subbarao, Krishna V.; Martin, Frank N.; Daugovish, Oleg; Legard, D.E.; Browne, G. T.; Muramoto, Joji; Shennan, Carol; Klonsky, Karen

doi:10.3733/ca.v067n03p139

Cited by 34 publications

(25 citation statements)

References 28 publications

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“…For example, in small-scale strawberry production, solarization effectively controlled weeds and was more cost effective than methyl bromide while providing similar yields (Stapleton et al 2005). Steam and ASD treatments can also result in yields comparable to those produced in conventionally fumigated soils (Fennimore et al 2013;Samtani et al 2012). Steam treatments, long used in California nursery production to control nematodes and diseases (Baker 1948;Baker and Smith 1967), were previously limited for field use by their slow speed (Samtani et al 2012).…”

Section: Soil Solarization Steam and Asdmentioning

confidence: 99%

Managing for soil health can suppress pests

Hodson¹,

Lewis²

2016

Calif Agr

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A "healthy" soil can be thought of as one that functions well, both agronomically and ecologically, and one in which soil biodiversity and crop management work in synergy to suppress pests and diseases. UC researchers have pioneered many ways of managing soil biology for pest management, including strategies such as soil solarization, steam treatment and anaerobic soil disinfestation, as well as improvements on traditional methods, such as reducing tillage, amending soil with organic materials, and cover cropping. As managing for soil health becomes more of an explicit focus due to restrictions on the use of soil fumigants, integrated soil health tests will be needed that are validated for use in California. Other research needs include breeding crops for disease resistance and pest suppressive microbial communities as well as knowledge of how beneficial organisms influence plant health.

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Section: Soil Solarization Steam and Asdmentioning

confidence: 99%

Managing for soil health can suppress pests

Hodson¹,

Lewis²

2016

Calif Agr

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“…In California, fumigation with MeBr and chloropicrin became an integral part of strawberry cultivation around 1960 and, until recently, nearly all strawberry acres were fumigated with a mixture of both fumigants prior to planting [5]. The chronosequence selected for this study contained four sites defined by number of years of annual fumigation (yaf) with MeBr and chloropicrin.…”

Section: Study Area and Soil Samplingmentioning

confidence: 99%

“…Due to its deleterious effects on stratospheric ozone, the import and manufacture of MeBr has largely been phased out under the provisions of the U.S. Clean Air Act and the Montreal Protocol [3,4]. California strawberry producers have continued using MeBr under a critical use exemption subject to annual review by the parties of the Montreal Protocol [5]. In the US, 1,3-dichloropropene (1,3-D), chloropicrin, dimethyl disulfide (DMDS), and methyl isothiocyanate (MITC) have been proposed as the most likely chemical alternatives to MeBr [3,5,6].…”

Section: Introductionmentioning

confidence: 99%

“…California strawberry producers have continued using MeBr under a critical use exemption subject to annual review by the parties of the Montreal Protocol [5]. In the US, 1,3-dichloropropene (1,3-D), chloropicrin, dimethyl disulfide (DMDS), and methyl isothiocyanate (MITC) have been proposed as the most likely chemical alternatives to MeBr [3,5,6]. Of these, DMDS is not currently registered in California.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Long-Term Continuous Fumigation on Soil Microbial Communities

et al. 2017

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High value crop producers in California rely heavily on soil fumigation to control a wide array of soil borne pests including nematodes, pathogens and weeds. Fumigants with broad biocidal activity can affect soil microbial communities that contribute to nutrient cycling and plant nutrient uptake which can impact soil health. It is often thought that soil microbial communities make a relatively rapid recovery following fumigation. However, recently it has been found that repeated application of fumigants over time can have greater and longer lasting impacts on soil microorganisms than single fumigation events. Therefore, the main objective of this study was to determine the effect of long-term repeated application of fumigants on soil microbial communities and compare them with non-fumigated and organic sites. Soil samples were collected from fields in Watsonville, CA. Chronosequence sites were defined by number of years of annual fumigation (yaf) with methyl bromide (15, 26, 33, 39 yaf) at the time of sampling, and representative non-fumigated sites were also included for comparison. Phospholipid fatty acid (PLFA) analysis was used to analyze the samples. The canonical variate analysis showed that microbial communities in sites with a longer history of fumigation (33 and 39 yaf) were similar to one another; however, they differed significantly from 15 yaf site and further analysis concluded that non-fumigated sites were significantly different than fumigated sites. This study showed that the proportion of arbuscular mycorrhizal fungi (AMF) was lower in all fumigated (15, 33 and 39 yaf) sites as compared to their non-fumigated counterparts, which could be a threat to sustainability since AMF plays a major role in soil health and quality.

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“…Anaerobic soil disinfestation, also called biosolarization, involves addition of a carbon source, soil saturation, and then application of a plastic tarp in order to help generate higher temperatures, temporary anaerobiosis, and microbial production of fungitoxic compounds. Biosolarization of strawberry soil reduces pathogens and can result in strawberry yields similar to fumigated treatments but is not as effective for weed control as MB (34,44). Steam is as effective as fumigation but is currently very energy intensive (138).…”

Section: The Methyl Bromide Transitions Experiencementioning

confidence: 99%

Fifty Years Since Silent Spring

Epstein¹

2014

Annu. Rev. Phytopathol.

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Rachel Carson's 1962 Silent Spring exposed both observed and potential environmental and health externalities of the increasing organochlorine and organophosphate insecticide use in the United States post-World War II. Silent Spring was a critical component in a popular movement that resulted in increased regulation and the development of safer pesticides. Most changes in pesticide use in the global north have involved pesticide substitutions, although riskier pesticides remain in use. Many ideas in Silent Spring are compatible with the theory of integrated pest management (IPM), and IPM has been broadly embraced in the United States and internationally as a strategy for achieving least-use and/or least-risk pesticide use in agriculture. IPM is a politically feasible policy that purports to reduce pesticide use and/or risk in agriculture but often does not, except in extreme cases of pesticide overuse that result in negative agricultural/economic consequences for growers.

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TIF film, substrates and nonfumigant soil disinfestation maintain fruit yields

Cited by 34 publications

References 28 publications

Managing for soil health can suppress pests

Managing for soil health can suppress pests

Effect of Long-Term Continuous Fumigation on Soil Microbial Communities

Fifty Years Since Silent Spring

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