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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Weed & Turfgrass Science
Journal Basic Information
Journal DOI :
The Korean Society of Weed Science
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Volume & Issues
Volume 3, Issue 4 - Dec 2014
Volume 3, Issue 3 - Sep 2014
Volume 3, Issue 2 - Jun 2014
Volume 3, Issue 1 - Mar 2014
Selecting the target year
A Survey of Weed Occurrence on Paddy Field in Korea
Ha, Huen-Young ; Hwang, Ki Seon ; Suh, Su Jeoung ; Lee, In-Yong ; Oh, Young-Ju ; Park, Jungsoo ; Choi, Jun-Keun ; Kim, Eun Jeong ; Cho, Seung Hyun ; Kwon, Oh-Do ; Im, Il-Bin ; Kim, Sang-Kuk ; Seong, Deok-Gyeong ; Chung, Young-Jae ; Lee, Wook-Jae ; Kim, Chang-Seok ; Lee, Jeongran ; Park, Jae-Eup ; Park, Kee Woong ;
Weed & Turfgrass Science, volume 3, issue 2, 2014, Pages 71~77
DOI : 10.5660/WTS.2014.3.2.71
Surveys of weed species in paddy fields were conducted in Korea to identify weed occurrence from June to September 2013. Total 3,434 sites of paddy fields in 155 City/Gun, eight Provinces were investigated. From the nation-wide survey, 90 weed species in 28 families were identified and classified to 52 annuals, 3 biennials and 35 perennials. Based on the occurrence ratio, the most weed species belonged to Poaceae (18 species). 17, 8 and 6 weed species belonged to Cyperaceae, Scrophulariaceae and Polygonaceae, respectively, and these 49 weed species in the most four families accounted for 54% of total weed occurrence. The most dominant weed species in Korean paddy fields were Echinochloa spp. (17.4%), followed by Monochoria vaginalis (12.4%), Eleocharis kuroguwai (7.8%), Bidens tripartite (9.27%), Scirpus juncoides (6.2%) and Sagittaria sagittifolia (6.1%). This information could be useful for estimation of future weed occurrence, weed population dynamics and establishment of weed control methods in paddy fields of Korea.
Survey of Weed Flora on Paddy Fields in Chungbuk Province in Korea
Kim, Eun Jeong ; Park, Jae Seong ; Lee, Chae Young ; Lim, Sang Cheol ; Park, In Seo ; Cho, Yong Gu ;
Weed & Turfgrass Science, volume 3, issue 2, 2014, Pages 78~85
DOI : 10.5660/WTS.2014.3.2.78
The survey of weed occurrence was conducted to identify dominant weed species in the paddy field. Total 346 sites of the 12 regions in Chungbuk Province in Korea were investigated in July, 2013. Weed flora was composed of 43 species belonged to 15 families. The compositions of major plant families, Cyperaces, Poaceae, Pontederiaceae and Asteraceae, were 21.5, 17.4, 15.5 and 12.7%, respectively. Based on life cycle, weed species was grouped into annuals of 71.3 and perennials of 28.1%. The most dominant weed species in paddy fields of Chungbuk Province were Monochoria vaginalis (14.5%), followed by Scirpus juncoides (10.5%), Echinochloa oryzoides (9.3%), Eleocharis kuroguwai (7.0%), Aeschynomene indica (6.2%) et al. The similarity of paddy weeds in 12 regions observed through TWINSPAN analysis was distinguished by Persicaria longiseta, Aneilema keisak, Persicaria thunbergii, Fimbristylis millacea, Blyxa japonica, Digitaria ciliaris, Potamogeton distinctus, Cyperus nipponicus. This information could be useful for estimation of future weed occurrence and establishment of weed control methods in chungbuk province in Korea.
Weed Population Distribution and Change of Dominant Weed Species in Paddy Field of Southern Gyeonggi Region
Park, Jungsoo ; Won, Taejin ; Roh, Ahnsung ; Jang, Jaeeun ; Kim, Heedong ;
Weed & Turfgrass Science, volume 3, issue 2, 2014, Pages 86~94
DOI : 10.5660/WTS.2014.3.2.86
Survey was carried out in paddy fields to investigate the dominance of weed species and weed occurrence on 200 fields of southern Gyeonggi region in Korea during the year 2013. We observed 3 species of grass, 5 species of sedge, and 11 species of broadleaf and other weeds. The most dominant weed species was Eleocharis kuroguwai, followed by Echinochloa crus-galli, Sagittaria trifolia, Monochoria vaginalis, Scirpus juncoides and Bidens tripartita. The dominance value of E. kuroguwai and B. tripartita decreased compared to the survey results performed in 2005 but that of M. vaginalis, S. juncoides, S. trifolia and E. crus-galli increased. Weed occurrence increased from 2.83 g in 2005 to 3.51 g in 2013 based on weed dry weight per
. Occurrence ratio of annual weeds to perennial weeds changed from 45.2% : 54.8% in 2005 to 45.8% : 54.2% in 2013. If we analyze dominance of weed species based on the rice transplanting timing, E. kuroguwai and E. crus-galli were the most dominant weed species at mid-May transplanting, and M. vaginalis and S. juncoides were the most dominant weed species at late- May transplanting, and M. vaginalis and E. kuroguwai were the most dominant weed species at early-June transplanting. Since paddy weeds resistant to sulfonylurea herbicides are expected to be continuously increased, the regular monitoring of their occurrence and efficient control methods should be considered in future.
The Occurrence of Weed species in Cultivated Ligularia fischeri Fields
Lee, In-Yong ; Kim, Chang-Seok ; Lee, Jeongran ; Kim, Jonghwan ; Kim, Kyung-Hoon ; Kim, Mi-Seon ; Song, Hee-Kun ; Kim, Duk-Hwan ;
Weed & Turfgrass Science, volume 3, issue 2, 2014, Pages 95~101
DOI : 10.5660/WTS.2014.3.2.95
This study was conducted in order to utilize the basic data for weed control by surveying the occurrence of weed species and the degree of damages caused by those weeds occurred in cultivated Ligularia fischeri fields. Survey was carried out five times, on May, June, July, August and October in 2013. The weed flora was composed of a total of 104 weeds, 37 families, of which 55 species were annual, 25 species were biennial, and 24 were perennial plants. Twenty-six exotic species were included as well. Dominance was the highest with Chenopodium album followed by Stellaria aquatica, Echiochloa crus-galli, Conyza canadensis, and Artemisia princeps etc. in order. In the PCA plot analysis, weeds occurred in cultivated L. fischeri fields were divided into three groups, Persicaria thunbergii-Bidens frondosa community, Chenopodium album community and Capsella bursapastoris community. The degree of damages in cultivated L. fischeri fields was investigated by weighing roots of L. fischeri. We found that 56% decreased root weight in no weeding plots comparing to that in weed management plots. We infer from this result that decreased roots will affect to the growing of L. fischeri in following year.
The Occurrence of Weed Species in Coix lacryma-jobi var. mayuen Fields
Lee, In-Yong ; Kim, Chang-Seok ; Lee, Jeongran ; Han, Jeong-A ; Kim, Kyung-Hoon ; Kim, Mi-Seon ; Song, Hee-Kun ; Kim, Duk-Hwan ;
Weed & Turfgrass Science, volume 3, issue 2, 2014, Pages 102~109
DOI : 10.5660/WTS.2014.3.2.102
This study was conducted in order to utilize the basic data for weed control by surveying the occurrence of weed species and the degree of damages caused by those weeds occurred in cultivated Coix lacryma-jobi var. mayuen fields. Survey was carried out three times, from June to September in 2013. The weed flora was composed of a total of 98 weeds, 33 family, of which 58 species were annual, 21 species were biennial, and 19 were perennial plants. Thirty-one exotic species were included as well. Dominance was the highest with Digitaria ciliaris followed by Acalypha australis, Echinochloa crus-galli, Portulaca oleracea, Bidens frondosa etc. in order. In the PCA plot analysis, weeds occurred in C. lacryma-jobi var. mayuen fields were divided into three groups, Panicum dichotomitlorum community, Echinochloa crus-galli-Sigesbeckia pubescens community and Acalypha australis community. Yield of C. lacryma-jobi var. mayuen was reduced 60% in no weeding plots comparing to that in weed management plots.
Identification of Herbicide-Resistant Barnyardgrass (Echinochloa crus-galli var. crus-galli) Biotypes in Korea
Won, Ok Jae ; Lee, Jeung Joo ; Eom, Min Yong ; Suh, Su Jeoung ; Park, Su Hyuk ; Hwang, Ki Seon ; Pyon, Jong Yeong ; Park, Kee Woong ;
Weed & Turfgrass Science, volume 3, issue 2, 2014, Pages 110~113
DOI : 10.5660/WTS.2014.3.2.110
The continuous use of acetolactate synthase (ALS) and acetyl-CoA carboxylase (ACCase) inhibitors has led to the selection of herbicide resistant barnyardgrass populations in direct-seeded rice fields of Korea. This study was conducted to identify herbicide resistant barnyardgrass biotypes and to determine the cross- and multiple-resistance of them. 25% of the population collected from Taeahn was partially resistant to ACCase inhibitors and 22% collected from Kimjae were partially resistant to ALS inhibitors. However, 8.2% of the population from both sites was resistant to ALS and ACCase inhibitors. Resistance to sulfonylurea herbicide, flazasulfuron was identified from two barnyardgrass accessions collected from both Taeahn and Kimjae. One barnyardgrass accession from both sites was resistant to ACCase inhibitor, sethoxydim. The cross-resistance to ALS inhibitors was identified at one barnyardgrass accession from Taeahn and at two accessions from Kimjae. Further, crossresistance to ACCase inhibitors was also identified at barnyardgrass accessions from Taeahn and Kimjae. Multiple-resistance to flazasulfuron and sethoxydim was determined at four barnyardgrass accessions from Taeahn and at six accessions from Kimjae. Therefore, the herbicide mixture and sequences within a growing season or the herbicide rotation with different modes of actions across growing seasons are recommended to control herbicide-resistant barnyardgrass in infested fields.
Insect Pests in Turf Sod Production Areas in Korea
Lee, Chae Min ; Kwon, Oh-Gyung ; Lee, Kwang-Su ; Lee, Sang-Myeong ; Choi, Sunghwan ; Lee, Dong Woon ;
Weed & Turfgrass Science, volume 3, issue 2, 2014, Pages 114~120
DOI : 10.5660/WTS.2014.3.2.114
Turfgrass insect pests were investigated in different turf sod production areas of Korea. Twelve insect pest species of 7 families in 6 orders and one Eriophyidae mite, Aceria zoysiae were collected from turf sod production areas. The zoysiagrass mite was most frequently occurred zoysiagrass sod production areas. Damaged rate by zoysiagrass mite was increased from May to September. Noctuidae (Spodoptera depravata, Agrotis ipsilon and A. segetum) and Pyralidae (Crambus sp.) insect pests in Lepidoptera were attracted in A. ipsilon sex pheromone trap. Eggs and larva of A. ipsilon was the highest occurred August. Zoysiagrass mite and A. ipsilon were main insect pests in turf sod production areas in Korea.
A Detail Investigation of Major Diseases Occurrence and Pathogen Population on Turfgrass Cultivation in Nationwide
Min, Gyu Young ; Lee, Jung Han ; Kwak, Youn-Sig ;
Weed & Turfgrass Science, volume 3, issue 2, 2014, Pages 121~129
DOI : 10.5660/WTS.2014.3.2.121
We investigated turfgrass diseases and inoculum density at nationwide turfgrass cultivation sites in year of 2013. Occurrences of large patch and rust disease appeared in September. Brown patch recorded in September to October at Namhea and Pythium blight disease occurred outbreaks in early July at Namhea site. Some sites in Namhea damaged 3% area of total cultivation field by Sclerotinia homoeocarp. In Daepyeong (Gyeongnam), Fairy ring and large patch were recorded. Severe takeall and fairy ring have been observed in Gochang-si. Multi-site in Cheongju-si, brown patch was observed in pandemic level. Interesting enough, a cool-season turfgrass cultivate sites in Pyeongtaek-si brown patch, leaf blast, summer patch, and Curvularia leaf spot were investigated during the surveys period. Inoculum densities (Rhizoctonia spp.) at turfgrass cultivations sites were increased as cumulatively in all survey sites. The investigation result indicated that the disease occurrence and pathogens are similar as diseases in golf courses.
Irrigation Frequency and Nitrogen Rates for Tall Fescue Growth
Lee, Sang-Kook ;
Weed & Turfgrass Science, volume 3, issue 2, 2014, Pages 130~136
DOI : 10.5660/WTS.2014.3.2.130
Tall fescue is commonly well-adapted for low maintain area because of its wear resistance, deep root system, and drought tolerances. Deep and infrequent irrigation refers to applying large amounts of irrigation, 1.3 to 2.5 cm or more, in a single irrigation event. Light and frequent irrigation is commonly used with small amounts of water, 0.3 to 0.6 cm, every day or every other day. N use for turfgrass management is often unnoticed for water management. The objective of this field study was to evaluate the effects of irrigation frequency and N rates for tall fescue growth. The three irrigation treatments were no irrigation (precipitation only), 0.5 cm applied every other day, and 1.8 cm applied once a week at one irrigation event. The nitrogen (N) treatments were the low, medium, and high N rate treatments. The low, medium, and high N treatments were applied over 2, 4, and 6 applications, respectively. If high main maintenance of tall fescue is not important and water source is limited, irrigation is not necessary and, the
of two applications can be recommended for tall fescue under the weather condition of the study.
Effect of Growth and Nitrogen Use Efficiency by Application of Mixed Silicate and Nitrogen Fertilizer on Zoysiagrass Cultivation
Han, Jeong-Ji ; Lee, Kwang-Soo ; Park, Yong-Bae ; Bae, Eun-Ji ;
Weed & Turfgrass Science, volume 3, issue 2, 2014, Pages 137~142
DOI : 10.5660/WTS.2014.3.2.137
This study was conducted to investigate the effect of silicate mixed with nitrogen fertilizer on improving the growth and reducing nitrogen input of zoysiagrass. Plant height, fresh and dry weight of shoots, roots, and stolons, the number of shoots and total of stolons length were increased with highest in silicate mixed with nitrogen 24 kg/10a than nitrogen 24 kg/10a, and it showed no significance in silicate mixed with nitrogen 18 kg/10a. Nitrogen use efficiency in mixed silicate fertilizer was increased by 25-30% than single nitrogen fertilization. Moreover, the contents of available
, and organic matters of silicate fertilization on soil was higher than not silicate fertilization on soil. The silicate enhanced the growth and density of zoysiagrass, while it was a crucial factor to affect the chemical property of the soil.
Effects of Soil Amendment Blended with Soldier Fly Casts and Coco Peat on Physicochemical Properties of Sand Soil
Kim, Young-Sun ; Lee, Sang-Beom ; Ham, Suon-Kyu ; Lim, Hye-Jung ; Choi, Young-Cheol ; Park, Kwan-Ho ;
Weed & Turfgrass Science, volume 3, issue 2, 2014, Pages 143~149
DOI : 10.5660/WTS.2014.3.2.143
This study was conducted to evaluate the effects of the mixture ratio of soil amendments blended with coco peat (Coco) and American soldier fly cast (SFC) on the physicochemical properties on the sand green. pH and EC of soil were significantly related to mixture ratio of SFC, Mix1, Mix2 and Mix3. Capillary porosity, air-capillary porosity and total porosity of root zone mixed SFC, Coco, Mix1, Mix2 and Mix3 were met to the USGA green specification. The mixture ratios of Mix1 and Mix2 in root zone were positively related capillary porosity and total porosity, and air-capillary porosity was negatively related capillary porosity and hydraulic conductivity. Capillary porosity of Mix1, Mix2 and Mix3 blended SFC and Coco was affected by SFC and Coco, and total porosity by Coco. These results showed that soil amendments blended SFC and Coco was developed capillary porosity and hydraulic conductivity on the USGA sand green than these of SFC.