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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Korean Journal of Weed Science
Journal Basic Information
Journal DOI :
The Korean Society of Weed Science
Editor in Chief :
Volume & Issues
Volume 25, Issue 4 - Dec 2005
Volume 25, Issue 3 - Sep 2005
Volume 25, Issue 2 - Jun 2005
Volume 25, Issue 1 - Mar 2005
Selecting the target year
Genetic Diversity of Annual Bluegrass (Poa annua L.) Based on Random Amplified Polymorphic DNAs Analysis
Park, Nam-Il ; Lee, In-Yong ; Kwon, Oh-Seok ; Park, Jae-Eup ; Ji, Seung-Hwan ; Chun, Jae-Chul ; Ogasawara, Masaru ;
Korean Journal of Weed Science, volume 25, issue 1, 2005, Pages 1~8
The variation and genetic diversity between 63 selected annual bluegrass (Poa annua L.) were investigated using random amplified polymorphic DNAs (RAPD) analysis. Eighty-six random primers were tested and 14 of which showed polymorphisms were selected. The 170 (66.6%) among 255 bands derived from 14 primer showed polymorphism, number of bands per primer was found to be 13 to 25, and an average number was 18.2. The genetic distance 0.011 to 0.253 among annual bluegrass was investigated. Unweighted pair-group method using an arithmetic average (UPGMA) cluster analysis correlated to scale of human sphere showed that 63 annual bluegrass could be separated into three major and independent groups; group Ⅰ included a small scale of human sphere such as apple orchard (AO)-, upland (UL)- and rest upland (RU)-subgroup, group Ⅱ included a medium scale of human sphere such as road side (RS)- and park (PK)-subgroup, group Ⅲ included a large scale of human sphere such as golf course ((green (GRE)-, fairway (FAI)- and rough (ROU)-subgroup)).
Responses of the Rice Growth and Yield by Misapplication of Non-selective Herbicides
Lee, In-Yong ; Ji, Seung-Hwan ; Park, Nam-Il ; Kwon, Oh-Seok ; Jung, Kyung-Im ; Park, Jae-Eup ;
Korean Journal of Weed Science, volume 25, issue 1, 2005, Pages 9~13
Generally, pesticides are sprayed 2-3 times to control pests in rice field in Korea. Especially, in rice heading time on July-August, fungicides and insecticides are applied to control rice blast (Maganaporthe grisea) and brown planthopper (Nilaparvata lugens). During mixing, these pesticides may accidentally include non-selective herbicides, glufosinate-ammonium 18.0% SL, glyphosate 41.0% SL and paraquat 24.5% SL, by farmer. This study was conducted to investigate the effect of rice growth and yield by misapplied non-selective herbicides in rice field. As a result, regardless of herbicides dosages, the response of rice growth were occurred as severe phytotoxicity from the use of paraquat, glyphosate and glufosinate ammonium. And these phytotoxicities were continued in the harvesting time. Especially, among the paraquat treatment 36.8g, 18.9g and 7.4g ai
plots, there were no harvests due to dead rice plant. And paraquat 2.5g ai
plot was decreased of rough rice yield 61.0% compared with control plot. Glyphosate treated 4.1g ai
and glufosinate ammonium 1.8g ai
were decreased of rough yield 4.2% and 13.6%, respectively. In the rice plant, phytotoxicity of paraquat was necrosis in 2 days after treatment (DAT), and glyphosate and phytotoxicity of glufosinate ammonium were occurred as red spots on the leaves in 7-10 DAT. It did not or decreased rough rice yield when non-selective herbicides are sprayed at heading time with mixing pesticides. The reason of rice dead and/or growth disorder was by herbicides directly, and did not rice heading of inhibited culm elongation by response of herbicides indirectly. Therefore, not mixing (misapplication) the non-selective herbicides when pesticides were sprayed on heading time on July-August should be recommended in the rice field.
Weed Control System of Sulfonylurea Herbicide-Resistant Monochoria vaginalis and Eleocharis kuraguwai in Machine Transplanting Rice
Lee, Sun-Gye ; Choi, Hyun-Gu ; Lee, Jae-Choul ; Chung, Chong-Tae ; Shin, Choul-Woo ; Oh, Se-Hyeon ; Lee, Hak-Wun ; An, Jong-Beom ; Pyon, Jong-Yeong ;
Korean Journal of Weed Science, volume 25, issue 1, 2005, Pages 14~22
This study was conducted to determine weed control system to control sulfonylurea herbicide-resistant Monochoria vaginalis, Eleocharis kuroguwai, and other weeds in rice paddy fields. Sequential applications of herbicides were recommended for 95% control of annual and perennial weeds. The sequential application of oxadiazon followed by pyrazosulfuron-ethyl+fentrazamide, cyclosulfamuron+pendimethalin followed by cyhalofop-butyl+bentazon, and cyhalofop-butyl+bentazon followed by bentazon controlled perennial weeds effectively in paddy fields. Yields of rice treated with sequential application of oxadiazon followed by pyrazosulfuron-ethyl+fentrazamide were 5.76 ton
which was 8.8% higher than hand weeding plot.
Weed Control System in the Cultivation Paddy of Barley Seeded at the Same Time with Rice Harvesting
Im, Il-Bin ; Kim, Yang-Gil ; Lee, Jung-Jun ; Kang, Jong-Gook ;
Korean Journal of Weed Science, volume 25, issue 1, 2005, Pages 23~27
These experiments were conducted to establish the weed control system in the cultivation paddy of barley seeded at the same time with rice harvesting. The establishing rate of barely affected by herbicides such as pendimetalin, butachlor and methabenzthiazuron applied on 3 days after seeding were 33, 56 and 56% respectively, but it of thifensulfuron-methyl was 100%. The weed control effects on the tank mixture application of butachlor and paraquat or glyphosate were 99% at the regrowth stage and above 90% at heading time of barley. The weeding efficacy of thifensulfuron-methyl applied on 30 October and 16 November was above 95%. The later thifensulfuron-methyl application times are late, the lower weeding efficacy and barley yield became.
Resistance to Sulfonylurea Herbicide of Sagittaria pigmaea Miq. Collected in Paddy Field of Korea and Its Control
Im, Il-Bin ; Kuk, Yong-In ; Kang, Jong-Gook ; Kim, Sun ; Hwang, Jea-Bok ;
Korean Journal of Weed Science, volume 25, issue 1, 2005, Pages 28~35
This study was conducted to test the resistance for acetolactate synthase (ALS) inhibiting herbicides and to select effective herbicides to Sagittaria pigmaea Miq. collected in paddy fields of Korea. A biotype of Sagittaria pigmaea Miq. from Seocheon showed strong resistance of 189 and 88 fold compared to Milyang biotype, based on
values determined in shoot fresh growth for two sulfonylurea herbicides such as bensulfuron and pyrazosulfuron-ethyl. However, it showed low resistance of 4 fold for triazolopyrimidine sulfonamide herbicide such as penoxsulam. A biotype of Sagittaria pigmaea Miq. from Seocheon was survived at the recommended dosage of the other sulfonylurea herbicides such as azimsulfuron, imazosulfuron, cinosulfuron, ethoxysulfuron, halosulfuronmethyl, cyclosulfamuron and flucetosulfuron. The herbicides contained carfentrazone-ethyl such as carfentrazone-ethyl+clomazone, carfentrazone-ethyl+butachlor, carfentrazone-ethyl+thiobencarb, carfentrazone-ethyl+pyrazosulfuron-ethyl+pyriminobac-methyl and pyrazolate+butachlor applied at 9 days after puddling (0-1 leaf stage) had excellent weeding effects for the two biotype of Sagittaria pigmaea Miq.
Identification of the Genus Amaranthus L. (Amaranthaceae) Weeds in Korea
Oh, Se-Mun ; Kim, Chang-Seok ; Moon, Byeong-Chul ;
Korean Journal of Weed Science, volume 25, issue 1, 2005, Pages 36~44
The scientific name and synonyms of Genus Amaranthus L. was arranged through internal and external literatures. 10 species of the genus Amararanthus in Korea were distributed. Genus Amaranthus of 8 species from 2002 to 2003 were collected, and the specimens were deposited at herbarium of NIAST in Korea. The identification key was made through investigation on shape characters of genus Amaranthus which had been cultivated at the same environmental condition. Amaranthus blitum were stem 25-40cm tall, glabrous, shining, branched at the base. Amaranthus hybridus were stem 60-200cm tall, erect, branched at the upper. Amaranthus retroflexus were stem 60-170cm tall, erect, with short hairs. Amaranthus spinosus were stem 40-90cm tall, erect, shining, much branched. Also, leaves alternate the petioles slender, 1-5cm long, with a pair of rigid stipular spines of 5-15mm long at the base. Amaranthus viridis were stem 40-70cm tall, glabrous, erect, branched at the under.
Effects of Herbicide of Spreading Oil Formula mixed with Cyclosulfamuron and Fentrazamide in Paddy Field
Son, Eun-Ho ; Oh, Sung-Hwan ; Lee, Chul-Won ;
Korean Journal of Weed Science, volume 25, issue 1, 2005, Pages 45~54
This study was carried out to investigate the weed control effect and the growth of rice plant using Japonica cultivar, Seoan, to the newly developed Spreading oil type herbicides which were tank-mixed with cyclosulfamuron and fentrazamide in the paddy field and in the greenhouse. The field experiment, three different application methods were applied, which were watergate treatment of herbicide at transplanting day during irrigation and spotting treatment at 2 days before and 5 days after transplanting in the paddy. In the greenhouse trial, the herbicide as a tank mix of cyclosulfamuron and fentrazamide and cyclosulfamuron alone with spreading oil type and granule type were applied at transplanting day and 2 days before transplanting in the greenhose experiment. Weed control of Spreading oil type herbicide, cyclosulfamuron and fentrazamide formula, was highly effective by watergate treatment throughout whole paddy. Weed control value of cyclosulfamuron and fentrazamide formula treated at 2 days before and 5 days after rice transplanting was 98% above, and in the plot of 5 days after transplanting treatment was more effective than that of 2 days before transplanting. In the greenhouse trial, the growth of shoots and roots were more inhibited at transplanting day application than at 2 days before transplanting application. The root parts were more damaged than in the shoot part.
Effects of Sesame (Sesamum indicum) Cropping System on Soil Properties and Weed Occurrence
Nam, Sang-Young ; Kim, In-Jae ; Kim, Min-Ja ; Yun, Tae ; Park, Sung-Gue ; Lee, Woo-Young ;
Korean Journal of Weed Science, volume 25, issue 1, 2005, Pages 55~61
To establish effective weed control strategies and to increase self-sufficience ratio, we investigated weed occurrence and soil properties in sesame cropping system introducing Chinese cabbage, barley and perilla as pre or post crops. Soil physical properties were improved in order of sesame+Chinese cabbage > barley+sesame > sesame+perilla cropping system. The values of pH, organic matter, and cation exchange were increased in barley+sesame cropping system, but those of
, K, Ca and Mg were decreased in every cropping system. Capsella bursapastoris and Portulaca oleracea occurred dominantly in pre-crop barley, sesame, respectively. Cyperus amuricus, however, was dominant weed in post-crop sesame. Weed occurrence was greater 236% in barley+ sesame cropping system than 22g
in sesame mono cropping system.
Absorption and Translocation Behavior of Glyphosate as Affected by Contact Herbicide Carfentrazone-ethyl
Kim, Sung-Eun ; Park, Yoon-Sung ; Ahn, Sul-Hwa ; Chun, Jae-Chul ;
Korean Journal of Weed Science, volume 25, issue 1, 2005, Pages 62~69
Absorption and translocation of the systemic herbicide glyphosate applied in combination with the contact herbicide carfentrazone-ethyl were investigated. Absorption of [
]glyphosate alone applied to Commelina communis L. and Echinochloa crus-galli (L.) P. Bcauv. was rapidly increased up to 4 days after application (DAA) and thereafter levelled off. However, the absorption was not greatly affected when carfentrazone-ethyl at 30g ai
was treated in mixture or one day before [
]glyphosate application. After absorption, rapid decrease of [
]glyphosate remained in the treated leaf of C. communis occurred, whereas most of [
]glyphosate was remained in the treated leaf of E. crus-galli. The translocation of [
]glyphosate was generally affected by carfentrazone-ethyl treatment. Distribution of the absorbed [
]glyphosate at 10 DAA in untreated plant parts was different between the two weed species studied. Relatively high amount of [
]glyphosate was translocated to other untreated plant parts in C. communis, whereas in E. crus-galli it was remained in the treated leaf. Also, the translocation of [
]glyphosate in the two weed species tested was differently affected by carfentrazone-ethyl due to its application methods. Cellular leakage due to carfentrazone-ethyl treatment was impacted the translocation of[
]glyphosate in C. communis.
Report on the
Annual Meeting of the Weed Science Society of America
Lee, In-Yong ; Kim, Sang-Yeol ; Kim, Kil-Ung ;
Korean Journal of Weed Science, volume 25, issue 1, 2005, Pages 70~76