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| Web URL(s): | http://img.kisti.re.kr/soc_img/society//tsk/JDHHBF/1989/v3n1/JDHHBF_1989_v3n1_39.pdf
Last checked: 01/28/2013
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| Publication Type:
| Refereed |
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| Author(s): | Shim, J. S. |
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| Author Affiliation: | Pai Chai University |
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| Title: | Growth regulation of Korean lawngrass and Manilagrass with several growth retardants |
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| Source: | Korean Journal of Turfgrass Science. Vol. 3, No. 1, 1989, p. 39-52[193-206]. |
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| Publishing Information: | Korea: Turfgrass Society of Korea |
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| # of Pages: | 14 |
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| Keywords: | TIC Keywords: Plant growth regulators; Zoysia Japonica; Zoysia matrella; Growth retardation; Quality evaluation; Application rates; Height; Clipping weight; Stolon growth; Shoots; Root weight
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| Abstract/Contents: | "Native Korean lawngrass (Zoysia japonica steud.) and Manilagrass (Zoysia matrella Merr.) are frequently used as sport turf and lawn in Korea and other Asian countries because of its excellent summer qualities and superior winter-hardiness compared to other warm-season turfgrass. The objective of this study was to investigate the effect of the plant growth retardents (PGR) on the inhibition of the growth of the two Korean native turfgrasses. Korean lawngrass and Manilagrass were treated with {2 RS, 3RS]-1-[4-chlorophenyl]-4, 4-dimethyl-2-[1H-1,2,4-tiazol-1-y] pentan-3-ol (PP-333) at 93 and 930gha-1; 5-[4-chlorophenyl]-3,4,5,9,10-pentaaza-tetracyclo [5,4,1,02.6 x o8.11]-3,9-diene (BAS-106) at 16 and 160gha-1; [E]-1-cyclohexyl-4,4-dimethyl-2-[ 1,2,4-triazol-1-yl]-1-pentene-3-ol (NTN-821) at 56 and 560gha-1, and 4-chloro-2-[a-hydrobenzy]isonicotin anilide (CGHR-811) at 92gha-1 in pot study. All PGR treatments were effective in reducing the plant height, with the exception of BAS-106 at 16gha-1 for Korean lawngrass ; however, all increased quality to some degree, with the exception of PP-333 at 93gha-1. The low PGR rates significantly increased Korean lawngrass height during late July and mid-August. On the other hand, BAS-106 significantly increased Manilagrass height from 24 September onwards. All PGR treatments had higher turfgrass quality than untreatments, and also the high rates of PGR treatments were more effective in increasing quality than the low rates observed on 8 October. Meanwhile, Manilagrass quality was increased to some extent than Korean lawngrass. PP-333 was significantly effective in reducing clipping yield and the same results were found with the application of NTN-821 at 560gha-1 for both Korean lawngrass and Manilagrass, BAS-106 at 160gha-1 for Korean lawngrass, and CGR-811 at 92gha-1 for Manilagrass. The high PGR rates had higher turfgrass shoot weight observed on 8 October than the low rates, and there were little increases obtained with the low rates of PP-333 for Korean lawngrass and BAS-106 for Manilagrass. Effects on stolon growth varied between growth retardants, and between retardant treatments ; the high rates of PGR as well as the low rate of NTN-821 elongated stolon of Korean lawngrass and Manilagrass. However, PP-333 at 93 gha-1 and Bas-106 at 16gha-1 shortened stolons of Korean lawngrass, resulting in inhibition or little difference of stolon dry weight. NTN-821 at 560gha-1 and CGR-811 had no positive effect on the stolon length of Manilagrass. PP-333 and the low rate of BAS-106 and NTN-821 decreased root weight of Korean lawngrass. All PGR rates had negative effect on the root weight of Manilagrass with the exception of BAS-106, CGR-811 and the high rate of NTN-821 which made no difference in root weight between retardant treatments and the control." |
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| Language: | Korean |
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| References: | 30 |
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| Note: | Abstract appears in English
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Shim, J. S. 1989. Growth regulation of Korean lawngrass and Manilagrass with several growth retardants. (In Korean, with English abstract.) Korean Journal of Turfgrass Science. 3(1):p. 39-52[193-206]. |
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| Web URL(s):
http://img.kisti.re.kr/soc_img/society//tsk/JDHHBF/1989/v3n1/JDHHBF_1989_v3n1_39.pdf
Last checked: 01/28/2013
Requires: PDF Reader |
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MSU catalog number: b5472572a |
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