Collection and evaluation of relevant information on crop interception

Olesen, Merete Halkjær; Jensen, Peter Kryger

doi:10.2903/sp.efsa.2013.en-438

Cited by 13 publications

(15 citation statements)

References 31 publications

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“… Adopted from Olesen and Jensen (); according to this reference crop interception at BBCH 92 and 97 is 70% and 0%, respectively (no other BBCH stage exists in hops for BBCH 90–99). …”

Section: Addressing the Terms Of Reference From The European Commissionmentioning

confidence: 99%

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Scientific report of EFSA on the ‘repair action’ of the FOCUS surface water scenarios

Adriaanse¹,

Boivin²,

Klein³

et al. 2020

EFS2

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The European Commission asked EFSA to undertake a ‘repair action’ of the FOCUS surface water report after the EFSA Pesticide Steering Network had been consulted. The main request was to introduce into all FOCUS surface water scenarios (both run‐off and drainage) a 20‐year assessment period instead of the current 12‐ or 16‐month assessment period. Because of the 20‐year assessment period, the way application dates are defined needed to be reviewed, reconsidering the functionality of the pesticide application timing currently used. Guidance on how substance parameters should be handled when correlated with soil properties has been provided. Foliar wash‐off calculated in MACRO and Pesticide Root Zone Model was aligned and the appropriateness of including rotational crop aspects was discussed. Processing time and how to use the results of the exposure assessment were considered.

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“… Adopted from Olesen and Jensen (); according to this reference crop interception at BBCH 92 and 97 is 70% and 0%, respectively (no other BBCH stage exists in hops for BBCH 90–99). …”

Section: Addressing the Terms Of Reference From The European Commissionmentioning

confidence: 99%

“…70% all year round, FOCUS, ). For hops, it is proposed to use more detailed crop interception given in Olesen and Jensen ().…”

Section: Addressing the Terms Of Reference From The European Commissionmentioning

confidence: 99%

Scientific report of EFSA on the ‘repair action’ of the FOCUS surface water scenarios

Adriaanse¹,

Boivin²,

Klein³

et al. 2020

EFS2

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“…Fresh plants materials (buds of black poplar), also called "gemma populy", were collected in early spring from about 12 black poplar trees. These were P. nigra individuals situated around Sapientia Hungarian University, Faculty of Technical and Human Sciences areas (46.5206 • N, 24.6189 • E). The plant materials were first separately dried in a ventilated oven at 45 • C for 24 h. Twenty grams of the dried plant material were then weighed in a 100-mL Erlenmeyer to which 70 mL of hexane (purity grade 99%) were added for pre-extraction.…”

Section: Plant Extracts Preparationmentioning

confidence: 99%

“…No late blight or other infestations were detected prior to the experiment. When potato plants reached the BBCH 20-39 development stages [24], treatments were applied by spraying plants with fungicides (200 mL/10 plants) or populin (200 mL/10 plants) or water (control) (200 mL/10 plants). Spraying was made with sterile automated spraying systems used for pesticides under field conditions.…”

mentioning

confidence: 99%

In Vitro and In Vivo Effect of Poplar Bud Extracts on Phytophthora infestans: A New Effective Biological Method in Potato Late Blight Control

Turóczi

Bakonyi

Szabó

et al. 2020

Plants

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The effect of populin extract from black poplar (Populus nigra) on seven different late blight strains was tested under laboratory and field conditions. The growth rate of hyphae was found to be significantly lower in vitro after 3 and 4 v/v% populin applications. Stain M16 was resistant to populin treatment under lab conditions, however. Both 5% and 10% concentration populin reduced the M16 strain’s severity on potato leaves under field conditions and proved to be even more effective than conventionally used fungicides Infinito 687 Sc and Valis M. Higher infection intensity at the 1% level was observed after 24 h using Valis M, and the same trend toward 10% infection remained after 48 and 72 h as well. Low, almost-no-infection intensity was detected after populin 5% and 10% treatment under an open field condition. Altogether, it can be concluded that populin extract can be a low-cost option for growers and an environmentally friendly approach in late blight control.

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“…Other formulations of pyraclostrobin‐based fungicides exist (e.g., Priaxor, 28.58% pyraclostrobin, 0% naphtha) , with their own individual label recommendations on application rate and timing, which can influence the exposure scenario. For example, formulations approved for use in corn at early growth stages (e.g., Priaxor, V4–V20 stages, ∼18 cm to 3 m tall, respectively) when canopy cover is low may result in more fungicide reaching the ground—and therefore a higher exposure at ground level—than a formulation used at later growth stages (e.g., Headline AMP, VT–R6 stages, ∼3 m tall) . Furthermore, canopy cover may be lower in other crops registered for treatment with pyraclostrobin‐based fungicides (e.g., soybeans) or in areas of poor growth.…”

Section: Introductionmentioning

confidence: 99%

Factors influencing the toxicity of Headline® fungicides to terrestrial stage toads

Cusaac

Mimbs

Belden

et al. 2017

Enviro Toxic and Chemistry

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Amphibians are susceptible to exposure from contaminants via multiple pathways. Pyraclostrobin fungicides have been shown to be toxic to terrestrial amphibians at environmentally relevant concentrations; however, these studies did not account for factors that may influence exposure and effects, such as fungicide formulation, age of the individual, exposure route, and physiological state of the individual. We examined Headline® and Headline AMP® fungicide toxicity to adult Anaxyrus cognatus and Anaxyrus woodhousii by direct overspray, as well as acute toxicity of Headline AMP to juvenile A. cognatus through direct overspray, previously exposed soils, and diet. We also assessed effects of hydration state on fungicide toxicity in juvenile A. cognatus and sublethal effects of fungicide exposure on prey-orientation ability of juvenile A. cognatus. Neither formulation of Headline caused mortality of adult A. cognatus and A. woodhousii at up to 5 times the maximum label rate in North American corn (1052 and 879 mL formulation/ha for Headline AMP and Headline fungicides, respectively, corresponding to 1.52 and 2.2 μg pyraclostrobin/cm , respectively). Exposures of juvenile A. cognatus to Headline AMP via direct overspray and previously exposed soils (2 types) resulted in median lethal rate (LR50) values of 2.4, 3.34, and 3.61 μg pyraclostrobin/cm , respectively. Dietary Headline AMP exposure was not toxic, prey-orientations were not influenced by exposure, and effects were similar between dehydrated and hydrated treatments (LR50 = 2.4 and 2.3 μg pyraclostrobin/cm , respectively). These results, combined with exposure concentrations reported in previous studies, suggest that risk of acute mortality for amphibians in terrestrial environments is low and is dictated by body size and site-specific factors influencing exposure. Environ Toxicol Chem 2017;36:2679-2688. © 2017 SETAC.

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Collection and evaluation of relevant information on crop interception

Cited by 13 publications

References 31 publications

Scientific report of EFSA on the ‘repair action’ of the FOCUS surface water scenarios

Scientific report of EFSA on the ‘repair action’ of the FOCUS surface water scenarios

In Vitro and In Vivo Effect of Poplar Bud Extracts on Phytophthora infestans: A New Effective Biological Method in Potato Late Blight Control

Factors influencing the toxicity of Headline® fungicides to terrestrial stage toads

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