Effects of imidacloprid and thiamethoxam as seed treatments on the early seedling characteristics and aphid-resistance of oilseed rape

Liang, Hu; Zhao, Chun-lin; Huang, Fang; Bai, Run-e; Lu, Yaobin; Yan, Fei; Hao, Zhong-Ping

doi:10.1016/s2095-3119(15)61140-6

Cited by 20 publications

(14 citation statements)

References 27 publications

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“…Thus, both treatments of imidacloprid and thiamethoxam more increased the photosynthesis levels and physiological of activity of cotton plant, which finally reflected on the chlorophyll content. The same performance was observed by many authors Gonias et al (2006) in cotton Preetha and Stanley (2012) in cotton Baozhen et al (2013) in maize and Huang et al (2015) in oilseed rape. Preetha and Stanley (2012) provided that the neonicotinoid insecticides increased the soluble protein content of cotton and okra.…”

Section: Results and Discussion A) Efficiency Of Applied Imidaclopridsupporting

confidence: 85%

“…Gonias et al (2006) found that imidacloprid enhanced the metabolism of cotton plant, which was recorded as improved photosynthesis. Also, Huang et al (2015) revealed that thiamethoxam treatment induced significant increase in the chlorophyll content in the leaf of oilseed rape when compared to control.…”

Section: Results and Discussion A) Efficiency Of Applied Imidaclopridmentioning

confidence: 95%

“…Lepidopteran, most notably cotton bollworms, had developed resistance to the major classes of insecticides, such as pyrethroids (Scott-Dupree et al 2008;Achaleke andBrevault, 2010, Nada et al 2011); carbamates (Kranthi et al 2001;Torres-Vila et al 2002); and organophosphates (Kranthi et al 2001;Martin et al 2003, Ren et al 2002, Torres-Vila et al 2002. Moreover, cotton bollworms did not only demonstrated resistance to the conventional pesticides but also showed resistance to Bacillus thuringiensis (Bt) transgenic cotton (Akhurst et al 2003;An et al 2015;Ibargutxi et al 2006;Nair et al 2010;Tabashnik et al 2012). So far, no resistance to the neonicotinoids has been documented in this insect pest.…”

Section: Introductionmentioning

confidence: 99%

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An Experimental Study of Certain Neonicotinoid Insecticides on the Incidence of Early Infestation of the Spiny and the American Bollworms, Growth and Lint Yield Characteristics of Cotton Plants

El-Bassouiny

2017

Journal of Plant Protection and Pathology

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The cotton bollworms are major pests that reduce yield and quality of the growing cotton crop all over the world. The Spiny bollworm (SBW) Earias insulana (Boisd.) and American bollworm (ABW) Helicoverpa armigera (Hüb) are two common injurious bollworms of cotton in Egypt. A field experiment was conducted at Abo-Homos district, El-Behaira, Governorate during 2015 & 2016 cotton season to determine the efficacy of two neonicotinoid insecticides (imidacloprid and thiamethoxam) as seed dressing and seedling bed at the 3rd true leaf emergence of cotton plants (Giza 86). Reduction in the infestation and larval content/100 green bolls and/or plants of both pests was estimated through 30-90 days of germination. Furthermore, the total chlorophyll content, cotton yield and its fiber quality was determined. The results showed that imidacloprid and thiamethoxam caused a significant larval reduction (79.9, 75.5% & 66.9, 72.7%) of the SBW in both experimental seasons, respectively, at early infestation after 90 days of germination. In case of the ABW, thiamethoxam caused a gradual reduction (79.5, 70.8%) in both seasons, respectively. While, in imidacloprid treatment reduction was fluctuated (54.0-70.8%) after 90 days of germination in 2016 season. Most interestingly, the present results indicated that the application of imidacloprid and thiamethoxam as seed treatments significantly increased the total chlorophyll content in cotton leaves that enhance plant growth and improve cotton properties. In general, the selection of a suitable insecticide for controlling the cotton pests not only depends on its efficacy against the targeted insects but also on their profitable effects on cotton production and fiber quality.

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Section: Results and Discussion A) Efficiency Of Applied Imidaclopridsupporting

confidence: 85%

Section: Results and Discussion A) Efficiency Of Applied Imidaclopridmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

An Experimental Study of Certain Neonicotinoid Insecticides on the Incidence of Early Infestation of the Spiny and the American Bollworms, Growth and Lint Yield Characteristics of Cotton Plants

El-Bassouiny

2017

Journal of Plant Protection and Pathology

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“…reported for oil seed rape as imidacloprid and thiamethoxam supressed root system 284 development in the cotyledon stage (Huang et al, 2015). Vyn and Murua (2001) found 285 uncoated seeds develop earlier than coated seeds, as found in this study.…”

Section: Discussion 239supporting

confidence: 74%

Quantification of differences in germination behaviour of pelleted and coated sugar beet seeds using x-ray computed tomography (x-ray CT)

Blunk

Malik²,

Heer

et al. 2017

Biomed. Phys. Eng. Express

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8Seed enhancement technologies i.e. priming, pelleting and coating have been extensively 9 used throughout the last century to improve crop yield and to reduce losses associated with 10 pest infestation. However, until recently, it has not been possible to non-destructively assess 11 the effect of seed enhancement technologies belowground due to the opacity of soil. Using X-12 ray Computed Tomography (X-ray CT) we undertook a 4D visualisation of the germination 13 process of four different sugar beet seed enhancement treatments (untreated / naked, coated, 14 pelleted and pelleted + coated) in soil. The aim of this study was to improve the understanding 15 of the germination process in the natural environment of the seed to inform future soil 16 management and seed enhancement processes. Using X-ray CT we were able to quantify the 17 germination and establishment process of different seed enhancement technologies in soil 18 non-destructively for the first time. We observed a delay in seedling growth posed by the 19 addition of a physical barrier, i.e. the seed coating. However, an enhanced radicle growth rate 20 was observed in pelleted, as well as pelleted and coated seeds, after overcoming the physical 21 barrier. The disadvantage posed by the addition of seed coating was overcome after four days 22 of seedling growth. Further work should focus on refinements to the type and composition of 23 the pelleting which we observed to have a retarded effect on seed germination. 24 Introduction 25

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“…However, traditional seed coating agents (TSCA) usually contain toxic pesticides (imidacloprid, carbofuran, etc. ), which are harmful to people, animals and the environment . Therefore, how to prepare a novel environment‐friendly seed coating agent (ESCA) has become an important research topic, which should be resolved in the field of agriculture and environmental conservation .…”

Section: Introductionmentioning

confidence: 99%

Preparation and mechanism analysis of an environment‐friendly maize seed coating agent

Zeng

Zhao

et al. 2017

J Sci Food Agric

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Effects of imidacloprid and thiamethoxam as seed treatments on the early seedling characteristics and aphid-resistance of oilseed rape

Cited by 20 publications

References 27 publications

An Experimental Study of Certain Neonicotinoid Insecticides on the Incidence of Early Infestation of the Spiny and the American Bollworms, Growth and Lint Yield Characteristics of Cotton Plants

An Experimental Study of Certain Neonicotinoid Insecticides on the Incidence of Early Infestation of the Spiny and the American Bollworms, Growth and Lint Yield Characteristics of Cotton Plants

Quantification of differences in germination behaviour of pelleted and coated sugar beet seeds using x-ray computed tomography (x-ray CT)

Preparation and mechanism analysis of an environment‐friendly maize seed coating agent

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