10.5937/ratpov50-4792 = Effect of seed treatments with neonicotinoids on maize inbred lines seed quality

Tamindžić, Gordana; Nikolić, Zorica; Popov, Raško; Jovičić, Dušica; Zdjelar, Gordana; Župunski, Vesna; Ignjatov, Maja

doi:10.5937/ratpov50-4792

Cited by 5 publications

(5 citation statements)

References 11 publications

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“…No interaction between the genotypes and the other two factors was found in the three-factorial analysis; however, vigor level and chemical treatments had a significant result in the two-way ANOVA. These results differ from those of Tamindžić et al (2013), who observed genotypic differences in the physiological response of corn to seed-applied pesticides. However, the authors used different cultivars, higher pesticide doses as well as did not add fungicides to slurries.…”

Section: Resultscontrasting

confidence: 99%

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2022

Plant Soil Environ.

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Successful seedling establishment in the field is one of the first critical steps for corn grain production. Besides the use of high-quality seeds, to obtain a given crop density, it is indispensable to accurately calculate seeding rates, a process based on the results of the germination. However, since it is conducted under ideal environmental conditions, this test may be inefficient to account for seeds able germinate, but that fail to develop into viable plants in the field, where the characteristics of the substrate, humidity, and temperature are frequently unfavorable (Baldini et al. 2018).For that reason, worldwide seed quality control systems simultaneously perform additional physiological evaluations, namely vigor tests, that simulate stressful conditions to have a more realistic prediction of crop emergence in the field (Lovato et al. 2005, Baldini et al. 2018). However, the widespread plantprotection operation of treating corn seeds with pesticides has been pointed out as a factor able to considerably interfere with seed and seedling performance (Yousof et al. 2016), affecting, therefore, the precision of the estimations assessed through physiological tests. In this context, this work aimed at evaluating the degree correlation between field emergence with the results of germination and vigor of corn seeds belonging to different initial vigor and submitted to agrochemical treatment. Material and MethodsSeedlots belonging to four corn cultivars were tested: Garra Viptera, Maximus TL TG VIPTERA, Impacto, and Formula TL. To minimize the impact that seed size may have on seeding vigor, only seeds of 18/64'' thickness and 22/64'' width (round screen) were used. Preliminary physiological evaluations of each seed lot were performed to assess their initial germination and vigor levels, and the results obtained were herein named high initial physiological quality (HIQ). Then, to obtain seeds of low initial physiological quality (LIQ), a portion of each seed lot was artificially aged in a water-jacketed chamber at 40 ± 1°C and 100% relative

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Section: Resultscontrasting

confidence: 99%

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2022

Plant Soil Environ.

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“…These results are similar to the results presented by Mrđa et al (2010b;2011b) Original scientific paper DOI: /10.5513/JCEA01/20.4.2133 Gvozdenac et al: The effect of seed treatments on wireworm (Elateridae) performance, damages... germination, which also is in consistency with the results obtained by Tamindžić et al (2013). Although primary goal of seed treatment is to protect the seeds from soil pathogens and insect pests, prolonged germination and emergence, as a result of applied pesticides, exposes seed to a longer infestation period.…”

Section: Discussionsupporting

confidence: 91%

The effect of seed treatments on wireworm (Elateridae) performance, damages and yield traits of sunflower (Helianthus annuus L.)

Gvozdenac¹,

Ovuka²,

Miklič³

et al. 2019

JCEA

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Sunflower seed treatments are inevitable measure that ensures protection from soil-dwelling insects and pathogens at the first stages of plant development. Due to the ban of neonicotinoid based insecticides for the sunflower seed treatments, new registered preparations are put to test. The aim of this work was to assess the efficacy of currently registered insecticides against the wireworms (observed in field emergence and percent of damaged plants) and their effect on yield traits (yield, oil content and 1,000-seed weight) of the sunflower hybrids (Sumo 2 OR, Oliva and Novak) in comparison to previously used neonicotinoids. Seeds were treated with different pesticidal combinations: metalaxyl-m, metalaxyl-m + bifenthrine, metalaxyl-m + thiacloprid, metalaxyl-m + thiametoxam, and metalaxyl-m + imidacloprid. Twoway ANOVA and Duncan's multiple range tests were performed. Field emergence was not influenced by the treatment. Sumo 2 OR and Oliva emergence did not differ significantly among the treatments (78.3-88.3%; 83.0-91.3%, respectively), but for Novak it was significantly lower (79.3%) when treated with metalaxyl-m. The lowest percent of damaged plants was in the treatment with metalaxyl-m + thiametoxam (1.1-2.4%). However, it did not differ significantly among other treatments (2.4-3.9%), regardless on the hybrid. Novak had the highest average yield (3,938.1 kg/ha), followed by Sumo 2 OR (3,566.1 kg/ha), and Oliva (3,199.8 kg/ha), regardless on the applied seed treatments. The highest 1,000-seed weight was measured for Oliva. Given indicates that currently registered insecticides for the seed treatment of sunflower, such as Sonido and Semafor, can be adequate substitute to the banned neonicotinoids like Cruiser and Gaucho.

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“…It can be observed that, when treated with fungicide-insecticide treatments, seed of two hybrids, NS 640 ultra and NS 444, reacted with delayed germination, which is in consistency with results obtained by Tamindžić et al (2013). On the other hand, seed treated with M+P had accelerated germination.…”

Section: T50 = Ti + (N/2 -Ni)(tj -Ti) / (Nj -Ni)supporting

confidence: 84%

“…However, in some cases, fungicide and insecticide seed treatments can cause delayed seedling germination and early seedling growth retardation (Görtz et al, 2008). Also, different response of maize genotypes to certain treatments was detected (Tamindžić et al, 2013).…”

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Effect of different seed treatments on maize seed germination parameters under optimal and suboptimal temperature conditions

Vujošević¹,

Kešelj²,

Ilić³

et al. 2017

Ratar i povrt

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Summary:The aim of this study was to determine the effect of different seed treatments on germination parameters of three maize genotypes under optimal and suboptimal temperature conditions. Seed was treated with recommended doses of three commercial pesticide formulations: metalaxyl-m 10 g/L + fludioxonil 25 g/L, metalaxyl 20 g/kg + prothioconazole 100 g/kg and thiacloprid 400 g/L. Testing was conducted at 25°C and 15°C. Results of the study indicate that there are differences in response of maize genotypes to applied seed treatments, as well as to a specific treatment at optimal and suboptimal temperatures. Some treatments, depending on the mixing partner and temperature conditions, can affect final germination. In other cases, germination rate can be accelerated or prolonged, but with no effect on final germination. In order to provide fast and uniform emergence under different temperature conditions, further examination of the response of maize genotypes to specific seed treatments would be beneficial.

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10.5937/ratpov50-4792 = Effect of seed treatments with neonicotinoids on maize inbred lines seed quality

Cited by 5 publications

References 11 publications

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The effect of seed treatments on wireworm (Elateridae) performance, damages and yield traits of sunflower (Helianthus annuus L.)

Effect of different seed treatments on maize seed germination parameters under optimal and suboptimal temperature conditions

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