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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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The Korean Journal of Pesticide Science
Journal Basic Information
Journal DOI :
The Korean Society of Pesticide Science
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Volume & Issues
Volume 17, Issue 4 - Dec 2013
Volume 17, Issue 3 - Sep 2013
Volume 17, Issue 2 - Aug 2013
Volume 17, Issue 1 - Mar 2013
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The Behaviour of Residues of Flonicamid and Metabolites in Sweet peppers
Son, Kyeong-Ae ; Kwon, Hyeyoung ; Jin, Yong-Duk ; Park, Byeong Jun ; Kim, Jinba ; Park, Jung-Hwon ; Kim, Taek-Kyum ; Im, Geon-Jae ; Lee, Key-Woon ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 145~154
DOI : 10.7585/kjps.2013.17.3.145
Flonicamid was a water-soluble and systemic insecticide. It was applied to control neonicotinod pesticide-resistant cotton aphid in sweet peppers. However, the residue levels of total flonicamid in sweet pepper exported to Japan in 2009 were exceeded the maximum residue limit (MRL). This study was conducted to elucidate residual properties of flonicamid parent compound and its metabolites in sweet peppers. It was carried out to compare the variation of residues in sweet pepper in three different greenhouses for 21 days after 3 times application with 7 days interval. The mean residues were 0.176, 0.152 and 0.108 mg
and the residue levels in sweet pepper among three greenhouses show significant difference. The maximum residue levels were detected 10 days later after last treatments. The overall residue levels were lower than MRL 2.0 mg
(by Korea) and 0.4 mg
(by Japan in 2009 but now revised MRL is 2.0 mg
). But the residue level of total flonicamid at the 21th day after 3 times treatment with 7 days interval was 0.429 mg
restricted by the application of double rate than recommended rate. The amounts of metabolites, TFNA, 4-Trifluoro methyl nicotinic acid and TFNG, N-(4-trifluoro methyl nicotinoyl) glycine were increased while flonicamid parent compound was decreased over time. Therefore the longer trial period should be needed for flonicamid in sweet peppers.
Establishment of Pre-Harvest Residue Limits of Clothianidin and Thiacloprid in Ginseng
Na, Eun-Shik ; Lee, Yong-Jae ; Kim, Kyoung-Ju ; Kim, Seong-Soo ; Lee, Kyu-Seung ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 155~161
DOI : 10.7585/kjps.2013.17.3.155
The residue patterns of clothianidin and thiacloprid, insecticides registered in the ginseng, were investigated to predict pre-harvest residues limits (PHRL). Pesticides were treated under Korea GAP (Good Agricultural Practices) with the recommended dose (single dose) and twice of recommended dose (double dose). Samples were collected 11 times over 42 days (each 0, 2, 5, 8, 12, 16, 20, 24, 28, 33, 42 days after treatment). Residues of clothinidin and thiacloprid were analyzed by UPLC/TQD. Biological half-life of clothinidin in single dose and double dose were 14.6 days and 10.2 days and that of thiacloprid were also 9.7 days and 11.2 days, respectively. The PHRL of ginseng on 10 days before harvest was 0.3 mg/kg in clothianidin and 0.18 mg/kg in thiacloprid.
Analysis of Pencycuron in Agricultural Products by Simultaneous Determination
Park, Young-Hye ; Han, Chang-Ho ; Kim, Ae-Kyung ; Shin, Jae-Min ; Lee, Jae-Kyoo ; Park, Sun-Hee ; Yun, Eun-Sun ; Kim, Mu-Sang ; Chae, Young-Zoo ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 162~167
DOI : 10.7585/kjps.2013.17.3.162
An analytical method for the simultaneous determination of pencycuron in agricultural products was established by using GC-NPD. The method was validated through the guidelines of linearity, limit of detection (LOD), limit of quantification (LOQ), accuracy and precision. The calibration curve of pencycuron was linear over the concentration range of 0.02-2 mg/kg with correlation coefficient of above 0.9999. The limits of detection and quantification were 0.005 and 0.02 mg/kg. Mean recoveries of pencycuron for each sample were 79.6-107.5% at the level of 0.02 mg/kg and 86.4-112.1% at the level of 0.2 mg/kg and 84.0- 104.9% at the level of 1 mg/kg. Relative standard deviation (RSD) in recoveries were all less than 5%. The intra- and inter-day precision (RSD) were 1.6-3.0% and 5.3-11.5%, respectively. The result of validation indicated that this method was accurate and sensitive assay.
Leaching Characteristics of the Endocrine Disruptor-suspected Pesticides in Upland Soil
Noh, Hyun Ho ; Lee, Jae Yun ; Lee, Kwang Hun ; Park, Hyo Kyoung ; Kyung, Kee Sung ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 168~177
DOI : 10.7585/kjps.2013.17.3.168
This experiment was carried out to estimate leaching potential of thirteen endocrine disruptor-suspected pesticides in upland soils using soil columns (5 cm I.D.
35 cm H.) packed with soil A (sandy loam) and soil B (loam). When 12.6 mL of water, average precipitation in Cheongju area during the period from June to August, 2001-2010, was percolated through soil column packed with soil A every day for 21 days, no pesticides were detected from leachate, with the exception of metribuzin which was detected with negligible. Also, when 2 L of water was percolated consecutively five times through soil columns packed with soil A and B, irrespective of soil types, cypermethrin, endosulfan, fenvalerate, parathion and trifluralin, which were very low water solubilities and high soil
, were not detected from leachate and were distributed mostly in the depth of 0-5 cm, representing that water solubility and soil
are major contributing factors to their leaching behavior. Despite high average leaching rates in carbaryl and methomyl, actual possibilities of ground water contamination in the agricultural environment by them would be very low, considering that the negligible amount of pesticide was percolated through a lysimeter with an undisturbed soil core simulating the field conditions, while most of pesticide was percolated through a soil column with the disturbed soil profile.
Honeybee Toxicity by Residues on Tomato Foliage of Systemic Insecticides Applied to the Soil
Bae, Chul-Han ; Cho, Kyung-Won ; Kim, Yeon-Sik ; Park, Hyun-Ju ; Shin, Kwan-Seop ; Park, Yeon-Ki ; Lee, Kyu-Seung ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 178~184
DOI : 10.7585/kjps.2013.17.3.178
Residual toxicity test to honeybee was conducted to evaluate an indirect effects on honeybee after planting hole application of systemic insecticides which were highly toxic to honeybee (Apis mellifera). In this study, It was applied three application rates in the planting hole by three systemic insecticides, dinotefuran GR, imidacloprid GR and clothianidin GR at planting time of tomato. Residual analysis of foliage was carried out after periodic sampling the foliage and investigated the effects of exposed honeybee on the tomato foliage. The honeybee mortality by dinotefuran residues on the foliage was shown almost 100% at 7 days after treatment and decreased 17 days after treatment. The maximum mortality of honeybee by imidacloprid residues on the foliage was 44 ~ 72%. But the effect of pesticide lasted for 18 days and then decreased. The honeybee mortality by clothianidin residues on the foliage was 100% at 7 days after treatment and decreased 14 days after treatment. A tendency of the honeybee mortality and residue in foliage showed a similar character as time goes by. The residues in tomato foliage decreased gradually after 14 days by vigorous growth of tomatoes and the toxic effect of honeybee was significantly decreased after 21 days in actual usage of the treatment.
Evaluation of Acute and Residual Toxicity of Insecticides Registered on Strawberry against Honeybee (Apis mellifera)
Ahn, Ki-Su ; Yoon, Changmann ; Kim, Ki-Hyun ; Nam, Sang-Young ; Oh, Man-Gyun ; Kim, Gil-Hah ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 185~192
DOI : 10.7585/kjps.2013.17.3.185
This study was performed to evaluate the spray toxicity and leaf residual toxicity of 52 kinds of insecticides registered for strawberry against adult honeybee Apis mellifera. According to the IOBC standard, the acute toxicity by spraying showed below 30% was classified as non-toxic. Among tested insecticides, 32 insecticides (flonicamid, lufenuron, novaluron, three kinds of acetamiprid, thiacloprid, milbemectin, acequinocyl, TBI-1, two kinds of chlorfenapyr, chlorfluazuron, cyenopyrafen, cyfumetofen, etoxazole, fenpyroximate, flubendiamide, flufenoxuron, hexythiazox, metaflumizone, two kinds of methoxyfenozide, DBB-2032, pyridalyl, spiromesifen, tebufenpyrad, teflubenzuron, acetamiprid + methoxyfenozide, acrinathrin + spiromesifen, bifenazate + spiromesifen, cyenopyrafen + flufenoxuron) did not show any toxic effect, it is thought to be safe. And the others (20 insecticides) showed higher toxicity to honeybee. Insecticides which showed acute toxicity higher than 90% was selected and tested the residual toxicity. All insecticides except emamectin benzoate EC, and indoxacarb SC showed 100% mortality at one day after treatment (DAT). However, the toxicities of emamectin benzoate, indoxacarb SC, and abamectin did not show until 3, 7, 14 DAT, respectively. Nine insecticides such as indoxacarb WP, thiamethoxam WG, abamectin + chlorantraniliprole SC, acetamiprid + etofenprox WP, acetamiprid + indoxacarb WP, bifenthrin + clothianidin SC, bifenthrin + imidacloprid WP, bifenazate + pyridaben SC, chlorfenapyr + clothianidin SC showed over 90% residual toxicity until 31 Day. In pouring treatment, thiamethoxam WG showed 76.9% mortality at 28 DAT and 50.0% mortality at 31 DAT. After 35 days, thiamethoxam WG showed no effect to honeybee. Bifenthrin + clothianidin SC and tefluthrin + thiamethoxam GR showed 57.1 and 80.0% mortality at 24 DAT, respectively. In spraying treatment, thiamethoxam WG and bifenthrin+clothianidin SC showed very high residual toxicity with 100% mortality in thirty-five DAT. After spraying treatment with thiamethoxam WG, bifenthrin+clothianidin SC, bifenthrin + imidacloprid WP, thiamethoxam WG showed 100% residual toxicity until 21 DAT and there was no activity after 28 DAT. Bifenthrin+clothianidin SC and bifenthrin+imidacloprid WP showed very high residual toxicity until 49 DAT.
Acute Oral, Pulmonary and Intravenous Toxicity/Pathogenicity Testing of Burkholderia pyrrocinia CAB08106-4 of in Rats
Kwon, Min ; Kang, Tae-Ku ; Chung, Chang-Kook ; Park, Cheol-Beom ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 193~199
DOI : 10.7585/kjps.2013.17.3.193
Burkholderia pyrrocinia CAB08106-4 has an anti-bacterial effect on Garlic White Rot caused by Sclereotium cepivorum and Sclereotium sp.. It is an environmentally friendly microbial product that prevents and controls a variety of phytopathogens involving Garlic White Rot caused by Sclereotium cepivorum and Sclereotium sp.. The aim of this study was to assess and to compare the pathogenicity of Burkholderia pyrrocinia CAB08106-4 by single exposure of rats through several routes such as oral, intranasal and intravenous. For the acute toxicity / pathogenicity study, the animals were sacrificed on days 3, 7, 14 and 21, and macroscopically observed their organs to examine the numbers of internally-retained pesticidal microbes. Clinical examinations were performed daily during administration period, and body weight gain was evaluated. In the study, no clinical sign, weight gain and mortality were observed in relation to the administration of test article. The significant changes of internal/external microbes by test article were not detected. The pathological findings in relation to the administration of the test article in the necropsy were not observed. It could be concluded that the microorganism was not toxic or pathogenic in rats via oral, intranasal and intravenous route.
Attractive Effect using Pheromone Trap of Various Conditions Against the Peach Pyralid Moth, Dichocrocis punctiferalis
Kim, Young-Jae ; Kim, Hyun Kyung ; Kang, Kil-Nam ; Kim, Young-Myung ; Moon, Sun-Ju ; Kim, Gil-Hah ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 200~205
DOI : 10.7585/kjps.2013.17.3.200
Mating disruption experiments were evaluated and compared in several pheromone traps and sex pheromone composition ratios at commercial chestnut garden for developing alternative control method of D. punctiferalis. The highest attractive was shown in Delta traps at the effective sex pheromone ratio of 75:25 (E10-16:A1:Z10-16:A1). Comparisons of domestic and imported pheromone constituents were not significant difference in 90:10 (E10-16:A1:Z10-16:A1). But, there was significant difference in sex pheromone ratio of 75:25. D. punctiferalis was caught the highest number in Gongju area for attractive test using pheromone trap. Attractive effects with dose of pheromone were showed the highest at 2.5 mg/lure and 1 mg/lure in Gongju area and Cheongyang area respectively. However, there was no significant difference among pheromone dose in Buyeo area. These data could be useful for eco-friendly managing of D. punctiferalis in the chestnut farm.
Insecticidal Effect of Aggregation Pheromone Fish Net Trap using Residual Effect of Insecticides Against Bean Bug, Riptortus pedestris (Hemiptera: Alydidae)
Lee, Seon-Woo ; Yun, Seung-Hwan ; Koo, Hyun-Na ; Kim, Hyun Kyung ; Youn, Young-Nam ; Kim, Gil-Hah ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 206~212
DOI : 10.7585/kjps.2013.17.3.206
This study was examined for activity of aggregation pheromone fish net trap with residual effect of insecticides against Riptortus pedestris. Time of escape was from aggregation pheromone fish net trap researched 49.74 min (
) and 65.01 min (
) with 1st and 2nd instar nymph respectively. Six insecticides for the stink bugs were treated to 3 different materials (wood, metal and plastic). Bifenthrin and fenitrothion were showed 100% insecticidal activity at 48 h to all developmental stage of R. pedestris. Residual effect of bifenthrin and fenitrothion on plastic material were showed 100% insecticidal activity over 15 day after treatment with 1st, 3rd instar nymphs and adults except 5th instar nymph. In field test using plastic material trap with two pesticides, 1st instar nymphs and adults were showed 100% mortality until 10 day after treatment. These results indicate that R. pedestris might be managed using aggregation pheromone trap with insecticides.
Insecticidal Effect of Organic Materials of BT, Neem and Matrine Alone and Its Mixture against Major Insect Pests of Organic Chinese cabbage
Kim, Min-Jeong ; Shim, Chang-Ki ; Kim, Yong-Ki ; Jee, Hyeong-Jin ; Yun, Jong-Chul ; Hong, Sung-Jun ; Park, Jong-Ho ; Han, Eun-Jeong ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 213~219
DOI : 10.7585/kjps.2013.17.3.213
This study focused on the promotion of the insecticidal activity of eco-friendly insecticidal materials against four major insect pest in the organic Chinese cabbage cultivation area. Among insecticidal materials mixture, BT+Matrine+Neem against leaf beetle larva, Phaedon brassicae, showed the highest 94.1% at 0.05% which is the lowest concentration of three treated concentrations. The insecticidal activity of Matrine, Neem, and BT alone (0.1%, w/v) or the mixtures (0.05%, w/v) against Cabbage worm larva, Artogeria rapae, was investigated by leaf disc spray method. The insecticidal efficacy of the mixtures of two or three eco-friendly materials was higher than the single treatment of each material with 94.3%, 100% and 100%. Control efficacy of 0.3% COY+0.05% (95.3%) against the green peach aphid, Myzus persicae was higher than that of 0.3% COY+0.05% Neem (90.2%) and lasted for more than 21 days after one time treatment. At 35 days after treatment, the effect of 0.05% BT+0.05% Matrine and 0.05% BT+0.05% Matrine+0.05% Neem treatments against diamondback moth showed very high insecticidal activity with more than 90% of control value. Therefore, BT, Neem, and Matrine where are properly treated could be effective eco-friendly materials for controlling major insect pests in an organic Chinese cabbage field.
Research Trend of Neem Based Biopesticides
Han, Sang-Bin ; Kim, Jong-Heon ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 220~230
DOI : 10.7585/kjps.2013.17.3.220
Management and Regulation on the Minor Use of Pesticides in Korea and Foreign Countries
Lee, Mi-Gyung ;
The Korean Journal of Pesticide Science, volume 17, issue 3, 2013, Pages 231~236
DOI : 10.7585/kjps.2013.17.3.231
A solution on pesticide minor use is being requested world widely on behalf of growers and for the appropriate measure for pesticide regulation. Presently, definition on "minor use" is different by country. And furthermore registration for pesticide use and the regulation approach are dependent on whether the crop is minor or major. For these reasons, management for pesticide minor use are more complicated and aggravated. This paper aimed to provide information on definition of minor use, minor use programs and regulatory incentives for minor use registration, with the purpose of supporting in developing a possible solution on minor use situation in Korea. In conclusion, two suggestions were made based on the worldwide information on pesticide minor use. First, a prudent consideration should be taken in defining minor use legally in Korea, which should include all situations regarded with minor use of pesticide, besides the use of pesticide on the crops cultivated in small area. Secondly, it is proposed to strengthen the present program, the "Ex Officio Registration" (implemented since 1998 in Korea, lead by the Rural Development Administration) by introducing a cooperative program like IR-4 Project of the USA, which is well known as an effective program for minor use solution as mentioned in the OECD guidance.