Using sensors to assess herbicide stress in sugar beet

Roeb, Johannes; Peteinatos, Gerassimos G.; Gerhards, Roland

doi:10.3920/978-90-8686-814-8_70

Cited by 4 publications

(5 citation statements)

References 13 publications

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“…The F v / F m values of the treated plants were equal to those of the nontreated control plants (100%) at 3 to 6 DAT (Table 4). Similar results were reported by Voss et al (1984), Abbaspoor and Streibig (2007), and Roeb et al (2015). Herbicide stress in sugar beet was strongest 1 DAT with desmedipham plus phenmedipham plus ethofumesate plus lenacil in the cultivar ‘Capella’, with an F v / F m of only 34%.…”

Section: Resultssupporting

confidence: 90%

“…This approach was introduced by Maxwell and Johnson (2000) and described by Baker (2008). Chlorophyll fluorescence measurement is a nondestructive, easy, and rapid assessment method for stress evaluation that makes it possible to assess plant response to herbicides in a short time period (Baker 2008; Burke et al 2010; Kaiser et al 2013; Roeb et al 2015). Many herbicides with different modes of action cause increased chlorophyll fluorescence in crops shortly after application (Dayan and Zaccaro 2012).…”

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confidence: 99%

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Utilization of Chlorophyll Fluorescence Imaging Technology to Detect Plant Injury by Herbicides in Sugar Beet and Soybean

et al. 2017

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Sensor technologies are expedient tools for precision agriculture, aiming for yield protection while reducing operating costs. A portable sensor based on chlorophyll fluorescence imaging was used in greenhouse experiments to investigate the response of sugar beet and soybean cultivars to the application of herbicides. The sensor measured the maximum quantum efficacy yield in photosystem II (PS-II) (Fv/Fm). In sugar beet, the averageFv/Fmof 9 different cultivars 1 d after treatment of desmedipham plus phenmedipham plus ethofumesate plus lenacil was reduced by 56% compared to the nontreated control. In soybean, the application of metribuzin plus clomazone reducedFv/Fmby 35% 9 d after application in 7 different cultivars. Sugar beets recovered within few days from herbicide stress while maximum quantum efficacy yield in PS-II of soybean cultivars was reduced up to 28 d. At the end of the experiment, approximately 30 d after treatment, biomass was reduced up to 77% in sugar beet and 92% in soybean. Chlorophyll fluorescence imaging is a useful diagnostic tool to quantify phytotoxicity of herbicides on crop cultivars directly after herbicide application, but does not correlate with biomass reduction.

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Section: Resultssupporting

confidence: 90%

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confidence: 99%

Utilization of Chlorophyll Fluorescence Imaging Technology to Detect Plant Injury by Herbicides in Sugar Beet and Soybean

et al. 2017

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“…Chlorophyll fluorescence measurement is a nondestructive, easy, and rapid assessment method for stress evaluation making it possible to assess plant response to herbicides in a short time [13]. F v /F m indicates the maximum quantum efficiency of photosystem II [37].…”

Section: Discussionmentioning

confidence: 99%

“…A simple, rapid, and non-destructive method to evaluate stress is chlorophyll a fluorescence measurement. It is utilized for investigating plant reactions to herbicide in a short period [13].…”

Section: Introductionmentioning

confidence: 99%

The Joint Action of Some Broadleaf Herbicides on Potato (Solanum tuberosum L.) Weeds and Photosynthetic Performance of Potato

et al. 2021

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Herbicide mixtures are a modern weed management practice as they reduce herbicide application. This study aimes to evaluate the effect of metribuzin, halosulfuron and flumioxazin applied individually and as mixtures (metribuzin:halosulfuron and metribuzin:flumioxazin) on Chenopodium album, Amaranthus retroflexus, and potatoes on biomass and chlorophyll-a fluorescence in 21 experiments. The individual herbicide experimental design was a randomized completely block design with seven doses and three replications. The factorial experiments were performed on the basis of randomized completely block design in three replications for binary mixture experiments. Flumioxazin was very potent in controlling C. album, A. retroflexus, and injured potatoes with a 50% effective dose (ED50) of 1.21, 0.54, and 12.23 g ai·ha−1, respectively. Both mixtures of metribuzin:halosulfuron and metribuzin:flumioxazin generally showed an antagonistic effect on both weeds and potato in 12 independent experiments. Metribuzin, halosulfuron, and flumioxazin significantly decreased photosystem II activity by decreasing the maximum quantum efficiency (Fv/Fm). The metribuzin:halosulfuron mixtures almost followed the Additive Dose Model for Fv/Fm, whilst there was an antagonistic effect for the metribuzin:flumioxazin that was closely related to biomass. The results indicated that mixtures were generally antagonistic, and the endpoint choice is pivotal when assessing the joint action of mixtures.

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“…Herbicide mixtures, however, might cause negative sideeffects including crop damage from chemical stress (Roeb et al 2015). Repeated use of herbicides with the same mode of action has also promoted the evolution of herbicide resistant weed populations in sugar beet, such as resistant populations of Chenopodium album L. to metamitron (Aper et al 2013).…”

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Evaluation of two chemical weed control systems in sugar beet in Germany and the Russian Federation

Bezhin¹,

Santel²,

Gerhards³

2015

Plant Soil Environ.

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Roundup Ready® sugar beets are widely grown in the USA since their market introduction in 2005. The system has proven to be cost-efficient and reliable. However, the negative social image among consumers and politicians has prohibited the adoption of this technology in Europe. Seven field experiments were conducted over three years in Germany and the Russian Federation to compare weed control efficacy and sugar beet yields of post-emergent glyphosate applications with conventional selective herbicides. Although weed infestations at the Russian sites were higher than in Germany, weed control efficacies were similar at both locations ranging between 78% and 100%. Glyphosate applications resulted in significantly higher weed control efficacies than the conventional herbicides in four out of 7 experiments. In five experiments, a single glyphosate application gave equal weed control efficacy as two and three glyphosate applications. White sugar yield was always higher in the weed control treatments than in the untreated plots. There was no yield difference between treatments based on glyphosate and conventional herbicide applications in 6 out of 7 experiments. The results demonstrate a slight benefit of the glyphosate-based weed control program compared to the conventional herbicide system in terms of weed control efficacy.Keywords: weed management; competition; Beta vulgaris; pesticide; yield loss 489Plant Soil Environ. Vol. 61, 2015, No. 11: 489-495 doi: 10.17221/482/2015-PSE dosage of the herbicide usually has to be increased to achieve suitable biological efficacy of the weeds. However, the increase of the herbicide application rate may cause stress to the crop and potentially express symptoms of phytotoxicity. The application is typically conducted as a tank mixture of several herbicidal substances adjusted to the weed species present (Petersen 2008). Weed shift caused by conventional weed control with selective herbicides has favoured several difficult-to-control-weeds, such as Fallopia convolvulus L., Mercurialis annua L., Solanum nigrum L. and Aethusa cynapium L. (Vasel et al. 2012). These weeds became less susceptible to herbicides or escaped weed control by late emergence.Roundup Ready® system based on glyphosatetolerant sugar beet cultivars and use of glyphosate containing herbicide is an alternative technology for weed management in sugar beet (Nichterlein et al. 2013). In the USA, this technology was very rapidly adopted by farmers and in 2009, 85% of the sugar beets produced in the USA were Roundup Ready® cultivars (Nichterlein et al. 2013). This technology combines high weed control efficacy with high selectivity and is supposed not to require herbicide application at early growth stages of the weeds. Usually, two to three glyphosate application is performed starting at 4-leaf stage of sugar beets (Dewar et al. 2003, Brookes and Barfoot 2013, Muoni et al. 2013, May et al. 2014). This claim is contradicting the view of weed freeness necessary for yield protection reported by other authors (K...

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Using sensors to assess herbicide stress in sugar beet

Cited by 4 publications

References 13 publications

Utilization of Chlorophyll Fluorescence Imaging Technology to Detect Plant Injury by Herbicides in Sugar Beet and Soybean

Utilization of Chlorophyll Fluorescence Imaging Technology to Detect Plant Injury by Herbicides in Sugar Beet and Soybean

The Joint Action of Some Broadleaf Herbicides on Potato (Solanum tuberosum L.) Weeds and Photosynthetic Performance of Potato

Evaluation of two chemical weed control systems in sugar beet in Germany and the Russian Federation

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