Residual characteristics of tolclofos-methyl treated by seed dressing in ginseng

Noh, Hyun-Ho; Lee, Jae Yun; Park, So‐Hyun; Lee, Kwang-Hun; Park, Hyo-Kyoung; Oh, Jae-Ho; Im, Moo-Hyeog; Kwon, Chan-Hyeok; Lee, Joong-Keun; Woo, Hee-Dong; Kwon, Kisung; Kyung, Kee-Sung

doi:10.7585/kjps.2012.16.3.217

Cited by 7 publications

(4 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…owing to moist environment and continuous cropping [1,2]. Thus, application of agrochemicals to the cultivation of ginseng would be unavoidable, however, the agrochemicals routinely used for the cultivation of plants are mostly introduced into soils irrespective of plants or targeted objects [3][4][5][6] and part of the agrochemicals that have fallen down onto soils and remain therein could be translocated into roots of plants [2]. Studies describing the transfer of pesticides into plants through their roots are important for the development and validation of plant uptake models allowing the prediction of contaminant accumulation, translocation, and transformation to edible parts of plants [7].…”

Section: Introductionmentioning

confidence: 99%

Translocation of Endosulfan from Soil to Ginseng (Panax ginseng C. A. Meyer)

et al. 2018

View full text Add to dashboard Cite

This study was conducted to examine the translocation of highly residual agrochemical in soil, the endosulfan (total), to ginseng (Panax ginseng C. A. Meyer). The soil with the level of the amount of 5.0 mg kg −1 of endosulfan (total) was prepared in a Wagner pot into which the seedling of ginseng was transplanted and then the specimens of ginseng (root, leaf, and stem) were collected quarterly and analyzed through GC-MS. The level of residual of endosulfan (total) in the soil has decreased from 4.28 mg kg −1 (April 2013) to 1.94 mg kg −1 (December 2014) while the level in the specimens of leaf and stem of ginseng respectively sampled according to its growth phase in June and September from 2013 and 2014 showed an increase from 0.56 mg kg −1 (June 2013) to 2.46 mg kg −1 (September 2013) and decrease from 0.29 mg kg −1 (June 2014) to 0.18 mg kg −1 (September 2014). For the case of the root of ginseng, the level of the amount of 10.77 mg kg −1 of endosulfan (total) was detected in June 2013 and then, the level has decreased to the level of 4.88 mg kg −1 in December 2014. The translocation of residual endosulfan (total) in soil to ginseng with time was identified. The amount of residuals of α-endosulfan and β-endosulfan was also decreased with time however, the ratio of endosulfan-sulfate, the main metabolite, was gradually increasing. The retention of metabolite (endosulfan-sulfate) in soil identified thereby thus suggests the potential of its translocation to plants in the case of the soils containing the residual of endosulfan (total).

show abstract

Section: Introductionmentioning

confidence: 99%

Translocation of Endosulfan from Soil to Ginseng (Panax ginseng C. A. Meyer)

et al. 2018

View full text Add to dashboard Cite

show abstract

“…인삼 재배과정에서 병해충이 발생 하게 되면 생산량이 감소하고 품질이 저하되기 때문에 농약 의 사용은 필수적이다 (Im et al, 2006;Noh et al, 2012). 작물 재배 시 관행적으로 사용된 농약은 처리대상에 관계없 이 대부분이 토양으로 유입되고 (Harris, 1972;Park et al, 1998) 그 중 일부는 뿌리로 이행되어 잔류할 가능성이 있다 .…”

Section: 서 론unclassified

Translocation of Tolclofos-methyl from Ginseng Cultivated Soil to Ginseng (Panax ginseng C. A. Meyer) and Residue Analysis of Various Pesticides in Ginseng and Soil

Kim¹,

Kim²,

Saravanan

et al. 2014

The Korean Journal of Pesticide Science

View full text Add to dashboard Cite

Recently, some of the previous studies reported that tolclofos-methyl is still exist in ginseng cultivated soil, even though it is has been banned for ginseng. Therefore, the current study was aimed to examine the levels of absorption and translocation of tolclofos-methyl from ginseng cultivated soil to ginseng root and leaf·stem for the period of 1 year. For this study, ginseng plants were transplanted in pots and treated with 5.0 mg kg −1 of tolclofos-methyl (50% WP). At the end of each interval periods (every three months) the samples (soil, roots and leaf·stems) were collected and analyzed the absorption and translocation levels of tolclofos-methyl using gas chromatography and mass spectrometry (GC-MS). The limit of quantitation of tolclofos-methyl was found to be 0.02 mg kg −1 and 70.0~120.0% recovery was obtained with coefficient of variation of less than 10% regardless of sample types. In this study, a considerable amount of translocation of tolclofos-methyl residues were found in soil (4.28 to 0.06 mg kg ). The results show that the tolclofos-methyl was absorbted and translocated from ginseng cultivated soil to ginseng root and ginseng leaf·stem and found to be decreased time-coursely. Secondly, we were also analyzed soil, root and leaf·stems samples from Hongcheon, Cheorwon, Punggi and Geumsan by GC-MS/MS (172 pesticides), LC-MS/MS (74 pesticides). In this study, 43 different pesticides were detected (0.01~7.56 mg kg −1 ) in soil, root and leaf·stem. Further, tolclofos-methyl was detected 4 times separately in root sample alone which is less (0.01~0.05 mg kg −1 ) than their maximum residual limit (MRL) in ginseng. Consequently, the results from both studies indicate the residues of tolclofosmethyl found in ginseng cultivated soil and ginseng ensuring their safety level. Moreover, long-term evaluations are needed in order to protect the soil as well as ginseng free from tolclofos-methyl residues.

show abstract

“…Ginseng is particularly susceptible to various pests and diseases as it is grown in the same place under dark, humid conditions for 4–6 y. Therefore, pesticide application is essential for ginseng production and quality assurance [ 13 ]. Ginseng is grown under artificial shade for several years.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, systemically sprayed pesticides such as buprofezin and azoxystrobin may continuously accumulate in ginseng [ 7 ]. Moreover, pesticides applied to the soil before planting can be transferred to ginseng [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of Processing on Residual Buprofezin Levels in Ginseng Products

Noh

Shin

Kim

et al. 2021

IJERPH

View full text Add to dashboard Cite

This study determined residual buprofezin levels in fresh ginseng and evaluated their changes during processing. Supervised field trials were conducted at Yeongju, Geumsan, and Goesan, Korea. Buprofezin 12.5% EC was applied to 5-y ginseng in accordance with the Korean good agriculture practice (GAP). Samples were collected at 0, 7, 14, 21, and 30 d after the final application. On day 14 (GAP-equivalent preharvest date), the ginseng was processed to obtain dried and red ginseng. The average buprofezin concentrations on day 0 were 0.076 (Yeongju), 0.055 (Geumsan), and 0.078 mg kg−1 (Goesan). Residual concentrations increased as ginseng was processed into dried and red ginseng. Residue levels in dried ginseng manufactured by hot air drying were higher than in red ginseng obtained by steaming, hot air, and sunlight drying. However, the absolute amount of pesticides decreased by approximately 20–30% as a result of calculating the reduction factor considering the dry yield and moisture content. Therefore, the residual concentration in processed products may vary depending on the processing method, and it is deemed necessary to consider the processing yield and moisture content when evaluating the safety of residual pesticides in dried processed products.

show abstract

Residual characteristics of tolclofos-methyl treated by seed dressing in ginseng

Cited by 7 publications

References 1 publication

Translocation of Endosulfan from Soil to Ginseng (Panax ginseng C. A. Meyer)

Translocation of Endosulfan from Soil to Ginseng (Panax ginseng C. A. Meyer)

Translocation of Tolclofos-methyl from Ginseng Cultivated Soil to Ginseng (Panax ginseng C. A. Meyer) and Residue Analysis of Various Pesticides in Ginseng and Soil

Effect of Processing on Residual Buprofezin Levels in Ginseng Products

Contact Info

Product

Resources

About