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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of The Korean Society of Grassland and Forage Science
Journal Basic Information
Journal DOI :
The Korean Society of Grassland and Forage Science
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Volume & Issues
Volume 29, Issue 4 - Dec 2009
Volume 29, Issue 3 - Sep 2009
Volume 29, Issue 2 - Jun 2009
Volume 29, Issue 1 - Mar 2009
Selecting the target year
Effects of Plant Growth Regulators and Culture Medium Supplements on Embryogenic Callus Induction from Seeds of Zoysiagrass
Jeon, Chan-Ho ; Kim, Kyung-Hee ; Park, Choong-Hoon ; Kim, Yong-Gu ; Lee, Hyo-Jin ; Alam, Iftekar ; Sharmin, Shamima ; Lee, Ki-Won ; Lee, Byung-Hyun ;
Journal of The Korean Society of Grassland and Forage Science, volume 29, issue 1, 2009, Pages 1~6
DOI : 10.5333/KGFS.2009.29.1.001
In order to optimize tissue culture conditions for genetic transformation of zoysiagrass (Zoysia japonica Stued.), the effect of plant growth regulators and culture medium supplements on embryogenic callus induction from mature seeds of a cultivar `Zenith` were investigated. The optimal concentration and treatment period of NaOCl is 30% (v/v) for 60 minutes. Cultivation of mature seed on the callus Induction medium containing 3 mg/L 2,4-D and 3 mg/L dicamba showed 17.5% of embryogenic callus formation frequency. Supplementation of 1 g/L casein hydrolysate and 500 mg/L L-proline improved frequency of embryogenic callus induction. Audition of the medium with 5 mg/L
and 20 mg/L cysteine enhanced frequencies of embryogenic callus induction. Efficient callus induction system established in this study will be useful for molecular breeding of Boysiagrass through genetic transformation.
Selection of Promising Forage Pea Cultivars on Paddy Field
Kim, Won-Ho ; Lee, Joung-Kyong ; Lim, Young-Cheol ; Shine, Jae-Soon ; Jung, Min-Woong ; Ji, Hee-Chung ; Seo, Sung ; Lee, Hyo-Won ; Yoon, Bong-Ki ;
Journal of The Korean Society of Grassland and Forage Science, volume 29, issue 1, 2009, Pages 7~12
DOI : 10.5333/KGFS.2009.29.1.007
This experiment was conducted to compare the agronomic characteristics and productivity in introduced forage pea cultivars at the experimental field. The experiment was arranged in a randomized block design with three replications. The forage pea used in this study were two cultivars (`Livioletta`, `Austrian Pea`) and one Chinese milk vetch cultivar (Chinese domestic cultivar). Flowing of `Livioletta` cultivar was May 16th and `Austrian Pea` cultivar was 18th May, 20 days later than the former. The `Livioletta` cultlvar showed stronger than winter hardiness of `Austrian Pea` cultivar. Dry matter (DM) content of `Liviotetta` and `Austrian Pea` cultivars were 22.5% and 20.9% chinese milk vetch showed the lowest content with 17.7%. `Austrian pea` cultivar showed the highest DM yield with 5,617 kg/ha but the DM yield of `Livioletta` cultivar was low with 3,652 kg/ha. The yield of CP (crude protein) and TDN (total digestible nutrient) set high at `Austrian Pea` cultivar. And `Livioletta` and `Austrian Pea` cultivars showed CP content with 15.5% and 14.4% but Chinese milk vetch with 19.3%. The acid detergent fiber (ADF) and neutral detergent fiber (NDF) content of `Austrian Pea` cultivar were 23.2% and 40.3%. Therefore `Austrian pea` cultivar seems to be suitable varieties in paddy field as winter forage crops.
Evaluation of Agronomic Characteristics, Forage Production and Quality of Corn Hybrids for Silage at Paddy Field in Southern Region of Korea
Ji, Hee-Chung ; Lee, Joung-Kyong ; Kim, Ki-Yong ; Yoon, Sei-Hyung ; Lim, Young-Chul ; Kwon, Oh-Do ; Lee, Hee-Bong ;
Journal of The Korean Society of Grassland and Forage Science, volume 29, issue 1, 2009, Pages 13~18
DOI : 10.5333/KGFS.2009.29.1.013
This experiment was carried out to know adaptability and forage production and quality of corn hybrid for silage at paddy field from 2007 to 2008 at JullaNamdo Agricultural Research and Extension Services (ARES). Among agronomic characteristics, `Kwangpyongok` hybrid was somewhat strong for waterlogging and good stay green, lodging, disease and insect resistance. The fresh yield and total digestible nutrients (TDN) of `Kwangpyongok` hybrid were the highest among corn hybrids. Dry yield of `Kwangpyongok` hybrid was increased to 50.5%, 13.6% due to waterlogging tolerance than those `P3156` and `P32P75` hybrids, respectively. The result of this study indicated that `Kwangpyongok` hybrid could be recommended as having good characters according to production, waterlogging tolerance, stay green at paddy field in southern region of Korea.
Effects of Rare Earth on Growth Characteristics and Productivities of Crimson Clover and Hairy Vetch
Lee, Joung-Kyong ; Yoon, Sei-Hyung ; Jeong, Min-Woong ; Kim, Jong-Geun ; Park, Hyung-Soo ; Lim, Young-Cheol ; Kim, Won-Ho ; Lee, Sang-Hoon ; Ji, Hee-Chung ;
Journal of The Korean Society of Grassland and Forage Science, volume 29, issue 1, 2009, Pages 19~24
DOI : 10.5333/KGFS.2009.29.1.019
The plant height of hairy vetch was high to comparing with crimson clover, and that of crimson clover was the lowest while that of hairy vetch was the highest with one application of rare earth. The dry matter content of crimson clover and hairy vetch were 20.3% and 18.1%, respectively and the dry matter content between two species had little difference. In this study, the fresh yield of hairy vetch was higher than that of crimson clover, while the dry matter yield of crimson clover was higher than that of hairy vetch. But there were not significant difference between two species. Although the fresh and dry matter yield of both species were the high with one application of rare earth, there were not significant difference between three treatments of rare earth. The nutritive values of hairy vetch were higher than that of crimson clover Neural detergent fiber (NDF) and acid detergent fiber (ADF) content decreased with one application of rare earth. But crude protein (CP) and digestibility were not significant between rare earth applications.
Comparison of Yield and Quality of Direct-Seeded Whole Crop Rice
Kim, Jong-Geun ; Chung, Eui-Soo ; Lee, Joung-Kyeong ; Lim, Young-Chul ; Yoon, Sei-Hyung ; Kim, Meing-Joong ;
Journal of The Korean Society of Grassland and Forage Science, volume 29, issue 1, 2009, Pages 25~30
DOI : 10.5333/KGFS.2009.29.1.025
This experiment was conducted to evaluate the effect of direct seeding time on the yield and quality of whole crop rice at experimental field of Grassland and Forages Research Center, National Institute of Animal Science, RDA from 2005 to 2006. Whole crop rice variety, "Namil", was direct seeded at five different calender date (25 April, 10 May, 25 May, 4 June and transplanted at 25 May). The heading date was delayed at late seeding date. Crude protein (CP) was increased with delayed direct seeding date. The content of ADF (acid detergent fiber) and NDF(neutral detergent fiber) increased with delayed seeding date. The average TDN (total digestible nutrient) content was 61.5% and it also decreased with delayed direct seeding date. The highest DM (dry matter) yield was seeded at 25 April and transplanted at 25 May, 15,185 and 15,815 kg/ha, respectively. Although delayed direct seeding date decrease the DM yield, mid-May will be recommendable as proper direct seeding date.
Prediction on the Quality of Forage Crop by Near Infrared Reflectance Spectroscopy
Lee, Hyo-Won ; Kim, Jong-Duk ; Kim, Won-Ho ; Lee, Joung-Kyong ;
Journal of The Korean Society of Grassland and Forage Science, volume 29, issue 1, 2009, Pages 31~36
DOI : 10.5333/KGFS.2009.29.1.031
This study was conducted to find out an alternative way of rapid and accurate analysis of forage quality. Near reflectance infrared spectroscopy (NIRS) was used to evaluate the possibility of forage analysis and collect 258 samples such as barley for whole crop silage, forage corn and sudangrass from 2002 to 2007. The samples were analyzed for CP (crude protein), CF (crude fiber), ADF (acid detergent fiber), NDF (neutral detergent fiber) and IVTD (in vitro true digestibility), and also scanned using NIRSystem with wavelength from
. Multiple linear regression was used with wet analysis data for developing the calibration model and validate unknown samples. The important index In this experiment was SEC and SEP
for CF, CP, NDF, ADF and IVTD in calibration set were 0.70, 0.86, 0.94, 0.94 and 0.89, also 0.47, 0.39, 0.89, 0.90 and 0.61 in validation sample, respectively. The results of this experiment indicates that NIRS was reliable analytical method to assess forage quality, specially in CF, ADF and IVTD, sample should be included for respective forage samples to get accurate result. More robust calibrations can be made to cover every forage samples if added representative sample set.
Effect of Cattle Manure Application on Mineral Contents of Glazing Pasture
Hwang, Kyung-Jun ; Park, Hyung-Soo ; Park, Nam-Geon ; Jeong, Ha-Yeon ; Ko, Moon-Suck ; Kim, Moon-Chul ; Song, Sang-Teak ; Kim, Dae-Woon ;
Journal of The Korean Society of Grassland and Forage Science, volume 29, issue 1, 2009, Pages 37~42
DOI : 10.5333/KGFS.2009.29.1.037
This experiment was conducted to investigate the effect of cattle manure application on macro contents change in pasture. The treatment consisted of T1: 100% chemical fertilizer (CF 100%), T2: 50% CF+50% cattle manure (CM), T3: 25% CF+75% CM, T4: 100% CM 100%, T5: 100% CM(1st year (yr.) +100% CF (2nd yr.)+100% CM (3rd yr.), T6: 100% CM (1st yr.)+100% CF (2nd yr.)+100% CF (3rd yr.). The highest substitution effect of chemical fertilizer with cattle manure indicated by the highest yield of 11,169 kg/ha was obtained from the application of 100% CM (1 yr.) + 100% CF (2 yr.). The forage yield of plots applied with 100% CM (1 yr.) + 100% CF(2 yr.) was only 4% more than the yield of plots applied with 100% CM. It was only 3% less than the yield of plots applied with 100% CF. In this study, cattle manure application recorded slightly lower forage dry matter (DM) yield than 100% CF application but they were statistically comparable on the third year of production. The all treatments have narrow range of P, K, Ca, Mg and Na contents
Effect of Nitrogen Application Level and Regrowth Period on Composition of Fatty Acid in Tall fescue and Bermudagrass
Park, Hyung-Soo ; Hwang, Kyung-Jun ; Park, Nam-Gun ; Kim, Young-Jun ; Jeong, Ha-Yeon ; Jo, Nam-Chul ; Ko, Moon-Suck ;
Journal of The Korean Society of Grassland and Forage Science, volume 29, issue 1, 2009, Pages 43~50
DOI : 10.5333/KGFS.2009.29.1.043
Two experiments were conducted to evaluate the effects of nitrogen (N) application level and regrowth period on the fatty acid (FA) concentration and forage production of tall fescue (Festuca arundinacea Schr.) and bermudagrass (Cynodon dactylon (L.) Pers.). N was applied at 0, 50 and 100 kg/ha, and swards were cut after regrowth periods (15d, 30d and 45d). Concentrations of Individual FA were determined by gas chromatography. FA composition of tall fescue contains a high proportion (
) of total FA contents as palmitic (C16:0), linoleic (C18:2) and linolenic acid (C18:3). The FA composition was not affected by N application, but a longer regrowth period significantly (p<0.05) decreased the composition of linolenic acid (C18:3) and increased those of linoleic acid (C18:2). The FA composition of bermudagrass was not affected by N application, but a longer regrowth period significantly (p<0.001) decreased the composition of linoleic (C18:2) and linolenic acid (C18:3). Linoleic and linolenic acfd of tall fescue were higher than those of bermudagrass. Dry matter (DM) yield of bermudagrass was significantly (P<0.05) affected by N application level and regrowth period. DM yield was higher at high N application and was higher at longer regrowth period. The crude protein concentration was higher at high N application and was low at longer regrowth period. Application of nitrogen fertilizer Increases dry matter (DM) yield and crude protein (CP) content of bermudagrass. These studies demonstrate opportunities to affect the FA concentration and composition of FA in forage through management strategies, which could affect milk FA composition.
Composting Methods for Pig Sludge and the Stabilized Investigation of Crop Cultivation
Oh, Tae-Seok ; Kim, Chang-Ho ;
Journal of The Korean Society of Grassland and Forage Science, volume 29, issue 1, 2009, Pages 51~62
DOI : 10.5333/KGFS.2009.29.1.051
This study was carried out development a new composting system to lower copper and zinc concentration in plg sludge compost and conduct an inquiry into the possibility of crop cultivation. The concentrations of nitrogen, phosphorus and pH averaged 4.4%, 6.3% and 7.57, respectively, which were higher concentrations than in commercial organic fertilizers, and the concentrations of copper and zinc averaged 805 and 1,704 mg/kg, respectively, which were beyond the heavy metal concentration limit in byproduct compost. Hydrated citric acid I lowered the concentrations of copper and zinc by 58% and 97%, respectively and hydrated oxalic acid II lowered the concentrations of copper and zinc by 48% and 56%, respectively in pig sludge compost. Lower concentrations of copper and zinc in pig sludge resulted from the enhanced hydrated-citric acid concentration in organic acid solution mixed with distilled water. The concentrations of copper and zinc were 330, and 41 mg/kg in the pig sludge treated with 100% hydrated citric acid. Agitation composting system stabilized the compost earlier than the stationary composting system, in which the stabilization condition was confirmed by higher temperature by
at highest temperature and 7 days earlier cooling down after highest temperature. The levels of germination index (G.I) 80 were obtained 15 and 20 days after composting in agitation and stationary composting system, respectively. The concentrations of copper and zinc were 2.4 and 4.26 mg/kg respectively in soils amended with pig sludge compost after removing process of heavy metals by citric acid, but 8.0 and 22.37 mg/kg, respectively in soils amended with Pig Sludge. The concentrations of heavy metals was highest in com cultivated in soils amended with pig sludge. The copper and zinc concentrations In corn leaves were 75.2 and 50.56 mg/kg respectively, which were 4 and 2 fold higher than the com cultivated in soils amended with pig sludge compost after heavy metal removing process by hydrated citric acid.
A Demonstrative Study on the Intake Habits of Dairy Goats (Saanen) Fed with Roughages
Gang, Byung-Ho ; Lee, In-Duk ; Lee, Hyung-Suk ;
Journal of The Korean Society of Grassland and Forage Science, volume 29, issue 1, 2009, Pages 63~72
DOI : 10.5333/KGFS.2009.29.1.063
The experiment was conducted from 2007 to 2008. The experimental roughages include five sources and 25 species in all; grasses and legumes: 5 species (mixed grasses, orchardgrass, tall fescue, alfalfa, white clover), native grasses and weeds: 5 species (mixed native grasses, Miscanthus sinensis Anderss, Arundinella hirta (Thunb.) Tanaka, barnyard grass, short awn, forage crops and straw: 5 species (barley 4- hairy vetch, wheat 4- hairy vetch, rye silage, barley silage, baled rice straw), browse and fallen leaves: 5 species (mixed browse, oriental white oak browse, Quercus serrta Thunb., browse oriental cherry fallen leaves, Japanese chestnut fallen leaves), and imported hay and straw: 5 species (timothy hay, tail fescue straw, annual ryegrass straw, klinegrass hay, alfalfa hay). Ten dairy goats (Saanen) were selected which had nearly the same body weight (25kg). The experiment was carried out on the dairy goats farm at Geumsan-Cun in Chungnam province. The chemical composition and dry matter digestibility of each roughage source and species were significantly different at the sampling area, plant species, growth stages and cutting period. Among all the 25 species of roughages, the favorite intake species order by dairy goats was observed like this: mixed grasses, white clover, alfalfa and the lower intake species order was baled rice straw and rye silages. The dairy goats ate more roughages which had low fibrous contents, but high dry matter digestibility. On the other hand, compared to each roughage source, the goat`s favorite roughage were grasses and legumes (34.6%) among the trial species. Based on the result, it is reconfirmed that the food habit of dairy goats seems to be closer to that of graters.
Studies on the Quality and Palatability of Imported Hay and Straw
Han, Sang-Cheul ; Lee, In-Duk ; Lee, Hyung-Suk ;
Journal of The Korean Society of Grassland and Forage Science, volume 29, issue 1, 2009, Pages 73~82
DOI : 10.5333/KGFS.2009.29.1.073
The experiment was carried out from January through December in 2008 at Chungnam National University and the Unbong Animal Genetic Resources Station, NIAS. The experimental animals were twelve dairy goats (female,
), twelve Korean native Boats(female,
) and five sika deer(female,
). A total of 11 different types of hay and straw were tested in this study: such straw imported from USA in 2006 as annual ryegrass, perennial ryegrass, tall fescue and Kentucky bluegrass, and such hay imported from USA in 2007 as alfatfa, bermudagrass, timothy, kleingrass, oat and orchardgrass, and such domestic hay as mixed hay There were significant differences in chemical composition and in vitro dry matter digestibility (IVDMD) among the various types of imported hay and straw (p<0.05). Besides alfalfa hay and orchardpass hay all of the imported hay contained lower crude protein (CP) and IVDMD but contained higher neutral detergent fiber(NDF) and acid detergent fiber (ADF) than the domestic hay. According to the kinds of the imported hay, relative feed value (RFV) made the difference and the hay grades were ranged from 4 to 5, based on the RFV. According to the kinds of the imported hay, there were markedly differences in dry matte. (DM) intake and palatability ranking among dairy goats, Korean native goats, and sika deer. DM intake and palatability ranking were high in common between orchardgrass hay and bermudagrass hay, but Kentucky bluegrass straw, tall fescue straw, perennial ryegrass straw and annual ryegrass straw were proved to be very low in DM intake and palatability ranking. In conclusion, the quality and palatability among the imported hay that was tested in the study were quite variable and lower than expected. It is required to establish a better feed evaluation system for the imported hay.