Investigation of Emergence Conditions and Plug Seedling ...

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้Ÿ“่—ฅไฝœ่ชŒ(Korean J. Medicinal Crop Sci.) 27(4) : 271 - 277 (2019) ISSN(Print) 1225-9306 ISSN(Online) 2288-0186 http://www.medicinalcrop.org http://dx.doi.org/10.7783/KJMCS.2019.27.4.271 271 ์ง€ํ™ฉ์˜ ์ถœ์•„์กฐ๊ฑด ๋ฐ ํ”Œ๋Ÿฌ๊ทธ ์œก๋ฌ˜๊ธฐ๊ฐ„ ๊ตฌ๋ช… ์—ฐ๊ตฌ ์ด์ƒํ›ˆ* ยท ๊ตฌ์„ฑ์ฒ * ยท ํ—ˆ๋ชฉ* ยท ์ด์šฐ๋ฌธ* ยท ๋ฐ•๋ฏผ์ˆ˜** ยท ํ•œ์ข…์›* , ** โ€  * ๋†์ดŒ์ง„ํฅ์ฒญ ๊ตญ๋ฆฝ์›์˜ˆํŠน์ž‘๊ณผํ•™์› ์ธ์‚ผํŠน์ž‘๋ถ€, ** ๊ณต์ฃผ๋Œ€ํ•™๊ต ์ƒ๋ฌผ๊ต์œกํ•™๊ณผ Investigation of Emergence Conditions and Plug Seedling Periods in Rehmannia glutinosa (Gaertn.) Libosch. ex Steud. Sang Hoon Lee*, Sung Cheol Koo*, Mok Hur*, Woo Moon Lee*, Min Su Park** and Jong Won Han* , ** โ€  *Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Korea. **Department of Biology Education, Kongju National University, Gongju 32588, Korea. ABSTRACT Background: Rehmannia glutinosa (Gaertn.) Libosch. ex Steud. has long been used as a traditional medicinal plant in Korea. This study was carried out to investigate the emergence conditions during the seedling periods in R. glutinosa. Methods and Results: The rhizomes of R. glutinosa variety (Jihwang 1) were harvested in the 22, March, 2018. The rhizomes were sown on in 50-cell plug trays. The emergence rates of seedlings at 15โ„ƒ, 20โ„ƒ, 25 - 40โ„ƒ, and 45โ„ƒ treatment seedling were 1.3%, 96%, 100% and 0%, respectively. Rhizome rot was occurred at the temperature of 15โ„ƒ and 45โ„ƒ. The emergence rates of seedlings in high moisture (HM), moderate moisture (MM) and low moisture (LM) treatments at 35 โ„ƒ were 99.3%, 100%, and 0%, respec- tively. Drought damage was recorded in plant with the LM treatment. Seedling quality surveys were carried out at 10-days intervals from 10 to 60 days after sowing (DAS). Leaf length and leaf width were increasing until 50 DAS and the number of leaves was increasing until 60 DAS. Root length was increasing until 40 DAS, and then, flowering occurred from 30 to 60 DAS. Lastly, at 40 DAS, leaf aging and root enlargement was observed. Conclusions: We concluded that the emergence of seedlings was possible in the range of 20 to 40โ„ƒ. Considering drying and rotting damage, we concluded that the moderate level of moisture is most appropriate for seedling emergence. In addition, we concluded that optimal seedling periods are between 30 and 40 DAS. Key Words: Rehmannia glutinosa, Emergence Condition, Seedling Period, Soil Moisture, Temperature ์„œ ์–ธ ์ง€ํ™ฉ [Rehmannia glutinosa (Gaertn.) Libosch. ex Steud.] ์€ ์ค‘๊ตญ ์›์‚ฐ์˜ ๋‹ค๋…„์ƒ ์ดˆ๋ณธ์œผ๋กœ ์ค‘๊ตญ, ํ•œ๊ตญ, ๋ฒ ํŠธ๋‚จ ๋“ฑ์ง€์— ์„œ ๋ถ„ํฌํ•œ๋‹ค. Rehmannia ์†์—๋Š” 7 ๊ฐœ์˜ ์ข…์ด ์žˆ์œผ๋ฉฐ, ์ด ์ค‘ ์— R. glutinosa, R. glutinosa var. leutea f. purpurea, R. glutinosa var. huechingensis ์˜ 3 ์ข…๋งŒ์ด ์•ฝ์šฉ์œผ๋กœ ์“ฐ์ด๋Š” ๊ฒƒ ์œผ๋กœ ๋ณด๊ณ ๋œ ๋ฐ” ์žˆ์œผ๋‚˜ (Park et al., 1998), ์ตœ๊ทผ์— 3 ์ข…์€ ๊ฐ™์€ ๋ถ„๋ฅ˜๊ตฐ์œผ๋กœ ์ทจ๊ธ‰ํ•˜๊ณ  ์žˆ๋‹ค (Wu et al., 1998; Chang et al., 2014). ๋˜ํ•œ, ์ง€ํ™ฉ์€ ํ˜„์‚ผ๊ณผ (Scrophulariaceae) ์— ์†ํ•˜์˜€์œผ ๋‚˜, ์ตœ๊ทผ์—๋Š” ์ง€ํ™ฉ๊ณผ (Rehmnniaceae) ๋กœ ๋”ฐ๋กœ ๋ถ„๋ฆฌํ•˜๊ฑฐ๋‚˜ ์—ด๋‹น ๊ณผ (Orobancaceae)์— ํฌํ•จ์‹œํ‚ค๊ธฐ๋„ ํ•œ๋‹ค (Albach et al., 2009; Xia et al., 2009; Refulio-Rodriguez and Olmstead, 2014; APG IV, 2016). ์ง€ํ™ฉ์€ ์˜จ๋‚œํ•œ ๊ธฐํ›„๋ฅผ ์ข‹์•„ํ•˜๋Š” ์‹๋ฌผ๋กœ ์ ์‘์ง€์—ญ์€ ์ค‘๋ถ๋ถ€ ์‚ฐ๊ฐ„์ง€๋ฅผ ์ œ์™ธํ•œ ์šฐ๋ฆฌ๋‚˜๋ผ ์ „์—ญ์—์„œ ๊ฐ€๋Šฅํ•˜๋‚˜ (Lee et al., 2018), ์ฃผ์‚ฐ๋‹จ์ง€๋Š” ์ถฉ๋‚จ ๊ธˆ์‚ฐ, ์ „๋ถ ์ •์, ๊ฒฝ๋ถ ์•ˆ๋™, ์˜์ฃผ ๋“ฑ ์ค‘ยท ๋‚จ๋ถ€์ง€์—ญ์— ๋ถ„ํฌ๋˜์–ด์žˆ๋‹ค. 2017 ๋…„ ๊ธฐ์ค€์œผ๋กœ ๊ตญ๋‚ด ์ง€ํ™ฉ์˜ ์žฌ๋ฐฐ๋ฉด์ ์€ 210 ใŠ, ์ƒ์‚ฐ๋Ÿ‰์€ 1,686 ํ†ค์œผ๋กœ ์กฐ์‚ฌ๋˜์—ˆ๋‹ค (MAFRA, 2018). Corresponding author: (Phone) +82-43-871-5673 (E-mail) [email protected] Received 2018 June 26 / 1st Revised 2018 July 16 / 2nd Revised 2018 August 1 / 3rd Revised 2019 August 5 / Accepted 2019 August 5 This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons. org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Transcript of Investigation of Emergence Conditions and Plug Seedling ...

Page 1: Investigation of Emergence Conditions and Plug Seedling ...

้Ÿ“่—ฅไฝœ่ชŒ(Korean J. Medicinal Crop Sci.) 27(4) : 271 โˆ’ 277 (2019) ISSN(Print) 1225-9306ISSN(Online) 2288-0186

http://www.medicinalcrop.org

http://dx.doi.org/10.7783/KJMCS.2019.27.4.271

271

์ง€ํ™ฉ์˜ ์ถœ์•„์กฐ๊ฑด ๋ฐ ํ”Œ๋Ÿฌ๊ทธ ์œก๋ฌ˜๊ธฐ๊ฐ„ ๊ตฌ๋ช… ์—ฐ๊ตฌ

์ด์ƒํ›ˆ* ยท๊ตฌ์„ฑ์ฒ * ยทํ—ˆ๋ชฉ* ยท์ด์šฐ๋ฌธ* ยท๋ฐ•๋ฏผ์ˆ˜** ยทํ•œ์ข…์›*,**

โ€ 

*๋†์ดŒ์ง„ํฅ์ฒญ ๊ตญ๋ฆฝ์›์˜ˆํŠน์ž‘๊ณผํ•™์› ์ธ์‚ผํŠน์ž‘๋ถ€, **๊ณต์ฃผ๋Œ€ํ•™๊ต ์ƒ๋ฌผ๊ต์œกํ•™๊ณผ

Investigation of Emergence Conditions and Plug Seedling Periods in Rehmannia glutinosa (Gaertn.) Libosch. ex Steud.

Sang Hoon Lee*, Sung Cheol Koo*, Mok Hur*, Woo Moon Lee*, Min Su Park** and Jong Won Han*,**โ€ 

*Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Korea.**Department of Biology Education, Kongju National University, Gongju 32588, Korea.

ABSTRACT

Background: Rehmannia glutinosa (Gaertn.) Libosch. ex Steud. has long been used as a traditional medicinal plant in Korea. Thisstudy was carried out to investigate the emergence conditions during the seedling periods in R. glutinosa.Methods and Results: The rhizomes of R. glutinosa variety (Jihwang 1) were harvested in the 22, March, 2018. The rhizomes weresown on in 50-cell plug trays. The emergence rates of seedlings at 15โ„ƒ, 20โ„ƒ, 25 - 40โ„ƒ, and 45โ„ƒ treatment seedling were 1.3%,96%, 100% and 0%, respectively. Rhizome rot was occurred at the temperature of 15โ„ƒ and 45โ„ƒ. The emergence rates of seedlingsin high moisture (HM), moderate moisture (MM) and low moisture (LM) treatments at 35โ„ƒ were 99.3%, 100%, and 0%, respec-tively. Drought damage was recorded in plant with the LM treatment. Seedling quality surveys were carried out at 10-days intervalsfrom 10 to 60 days after sowing (DAS). Leaf length and leaf width were increasing until 50 DAS and the number of leaves wasincreasing until 60 DAS. Root length was increasing until 40 DAS, and then, flowering occurred from 30 to 60 DAS. Lastly, at 40DAS, leaf aging and root enlargement was observed. Conclusions: We concluded that the emergence of seedlings was possible in the range of 20 to 40โ„ƒ. Considering drying and rottingdamage, we concluded that the moderate level of moisture is most appropriate for seedling emergence. In addition, we concludedthat optimal seedling periods are between 30 and 40 DAS.

Key Words: Rehmannia glutinosa, Emergence Condition, Seedling Period, Soil Moisture, Temperature

์„œ ์–ธ

์ง€ํ™ฉ [Rehmannia glutinosa (Gaertn.) Libosch. ex Steud.]

์€ ์ค‘๊ตญ ์›์‚ฐ์˜ ๋‹ค๋…„์ƒ ์ดˆ๋ณธ์œผ๋กœ ์ค‘๊ตญ, ํ•œ๊ตญ, ๋ฒ ํŠธ๋‚จ ๋“ฑ์ง€์—

์„œ ๋ถ„ํฌํ•œ๋‹ค. Rehmannia ์†์—๋Š” 7 ๊ฐœ์˜ ์ข…์ด ์žˆ์œผ๋ฉฐ, ์ด ์ค‘

์— R. glutinosa, R. glutinosa var. leutea f. purpurea, R.

glutinosa var. huechingensis์˜ 3 ์ข…๋งŒ์ด ์•ฝ์šฉ์œผ๋กœ ์“ฐ์ด๋Š” ๊ฒƒ

์œผ๋กœ ๋ณด๊ณ ๋œ ๋ฐ” ์žˆ์œผ๋‚˜ (Park et al., 1998), ์ตœ๊ทผ์— 3 ์ข…์€

๊ฐ™์€ ๋ถ„๋ฅ˜๊ตฐ์œผ๋กœ ์ทจ๊ธ‰ํ•˜๊ณ  ์žˆ๋‹ค (Wu et al., 1998; Chang et

al., 2014). ๋˜ํ•œ, ์ง€ํ™ฉ์€ ํ˜„์‚ผ๊ณผ (Scrophulariaceae)์— ์†ํ•˜์˜€์œผ

๋‚˜, ์ตœ๊ทผ์—๋Š” ์ง€ํ™ฉ๊ณผ (Rehmnniaceae)๋กœ ๋”ฐ๋กœ ๋ถ„๋ฆฌํ•˜๊ฑฐ๋‚˜ ์—ด๋‹น

๊ณผ (Orobancaceae)์— ํฌํ•จ์‹œํ‚ค๊ธฐ๋„ ํ•œ๋‹ค (Albach et al.,

2009; Xia et al., 2009; Refulio-Rodriguez and Olmstead,

2014; APG IV, 2016).

์ง€ํ™ฉ์€ ์˜จ๋‚œํ•œ ๊ธฐํ›„๋ฅผ ์ข‹์•„ํ•˜๋Š” ์‹๋ฌผ๋กœ ์ ์‘์ง€์—ญ์€ ์ค‘๋ถ๋ถ€

์‚ฐ๊ฐ„์ง€๋ฅผ ์ œ์™ธํ•œ ์šฐ๋ฆฌ๋‚˜๋ผ ์ „์—ญ์—์„œ ๊ฐ€๋Šฅํ•˜๋‚˜ (Lee et al.,

2018), ์ฃผ์‚ฐ๋‹จ์ง€๋Š” ์ถฉ๋‚จ ๊ธˆ์‚ฐ, ์ „๋ถ ์ •์, ๊ฒฝ๋ถ ์•ˆ๋™, ์˜์ฃผ ๋“ฑ

์ค‘ยท๋‚จ๋ถ€์ง€์—ญ์— ๋ถ„ํฌ๋˜์–ด์žˆ๋‹ค. 2017๋…„ ๊ธฐ์ค€์œผ๋กœ ๊ตญ๋‚ด ์ง€ํ™ฉ์˜

์žฌ๋ฐฐ๋ฉด์ ์€ 210ใŠ, ์ƒ์‚ฐ๋Ÿ‰์€ 1,686 ํ†ค์œผ๋กœ ์กฐ์‚ฌ๋˜์—ˆ๋‹ค

(MAFRA, 2018).

โ€ Corresponding author: (Phone) +82-43-871-5673 (E-mail) [email protected] 2018 June 26 / 1st Revised 2018 July 16 / 2nd Revised 2018 August 1 / 3rd Revised 2019 August 5 / Accepted 2019 August 5This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons. org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Page 2: Investigation of Emergence Conditions and Plug Seedling ...

์ด์ƒํ›ˆ ยท๊ตฌ์„ฑ์ฒ  ยทํ—ˆ๋ชฉ ยท์ด์šฐ๋ฌธ ยท๋ฐ•๋ฏผ์ˆ˜ ยทํ•œ์ข…์›

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์ง€ํ™ฉ์€ ๋ฟŒ๋ฆฌ๋ฅผ ์ด์šฉํ•˜๋Š” ์•ฝ์šฉ์ž‘๋ฌผ๋กœ์„œ ๊ฐ€๊ณต ์ƒํƒœ์— ๋”ฐ๋ผ ์ƒ

์ง€ํ™ฉ (็”Ÿๅœฐ้ปƒ), ๊ฑด์ง€ํ™ฉ (ไนพๅœฐ้ปƒ), ์ˆ™์ง€ํ™ฉ (็†Ÿๅœฐ้ปƒ)์œผ๋กœ ๋‚˜๋ˆ„์–ด์ง„

๋‹ค. ์ƒ์ง€ํ™ฉ (็”Ÿๅœฐ้ปƒ)์˜ ์ง€ํ‘œ์„ฑ๋ถ„์€ catalpol๋กœ ์•Œ๋ ค์ ธ ์žˆ์œผ๋‚˜

๋Œ€ํ•œ๋ฏผ๊ตญ์•ฝ์ „์— ๊ทœ์ • ๋‚ด์šฉ์€ ์—†๊ณ , ์ˆ™์ง€ํ™ฉ (็†Ÿๅœฐ้ปƒ)์˜ ๊ฒฝ์šฐ์—

๋Š” 5-hydroxymethyl-2-furaldehyde (5-HMF) 0.1% ์ด์ƒ์„ ํ•จ

์œ ํ•ด์•ผ ํ•œ๋‹ค๋Š” ๊ทœ์ •์ด ์žˆ๋‹ค (Lee et al., 2017). ํ˜„์žฌ ์ƒ์ง€ํ™ฉ

(็”Ÿๅœฐ้ปƒ)์€ ๊ฑด๊ฐ•๊ธฐ๋Šฅ์‹ํ’ˆ ์†Œ์žฌ์˜ ๋ถ€์›๋ฃŒ๋กœ ํ—ˆ๊ฐ€๋˜์–ด ์žˆ์–ด ์•ฝ์šฉ

๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ๊ธฐ๋Šฅ์„ฑ ์‹ํ’ˆ ์†Œ์žฌ๋กœ ํ™œ์šฉ ๋ฒ”์œ„๊ฐ€ ๋„“์–ด์ง€๊ณ  ์žˆ๋Š”

์ถ”์„ธ์ด๋‹ค (Oh et al., 2013).

์ฃผ์š” ์„ฑ๋ถ„์œผ๋กœ๋Š” aucubin, catalpol, rehmanin, 5-HMF,

verbascoside ๋“ฑ๊ณผ ๋‹น์„ฑ๋ถ„์ธ manninotriose, stachyose,

verbascose ๋“ฑ์ด ๋ณด๊ณ ๋˜์—ˆ์œผ๋ฉฐ, ๋‹น ์„ฑ๋ถ„์ด ๋งŽ๊ธฐ ๋•Œ๋ฌธ์— ์œก์งˆ์ด

์œ ์—ฐํ•˜๊ณ  ์ ์„ฑ์ด ๋†’๋‹ค๊ณ  ์•Œ๋ ค์ ธ ์žˆ๋‹ค (Morota et al., 1989;

Park et al., 1989; Kim et al., 2008; Liu et al., 2013;

Lee et al., 2017). ๋˜ํ•œ ์ง€ํ™ฉ์€ ํ•ญ์‚ฐํ™”, ํ•ญ์•Œ๋Ÿฌ์ง€, ํ•ญ์—ผ์ฆ, ๋‹น

๋‡จ, ์‹ ๊ฒฝ๋ณ€์„ฑ์งˆํ™˜, ์œ„๊ถค์–‘ ๋“ฑ์— ํšจ๊ณผ๊ฐ€ ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ์•Œ๋ ค์ ธ ์žˆ

๊ณ , ์ƒ์ง€ํ™ฉ (็”Ÿๅœฐ้ปƒ)์˜ ์ง€ํ‘œ์„ฑ๋ถ„์œผ๋กœ ์•Œ๋ ค์ง„ catalpol์˜ ๊ฒฝ์šฐ

์ด๋‡จ์ž‘์šฉ, ์‚ฌํ•˜์ž‘์šฉ์ด ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ์•Œ๋ ค์ ธ ์žˆ์œผ๋ฉฐ, ์ˆ™์ง€ํ™ฉ (็†Ÿ

ๅœฐ้ปƒ)์˜ ์ง€ํ‘œ์„ฑ๋ถ„์ธ 5-HMF์˜ ๊ฒฝ์šฐ ์ €์‚ฐ์†Œ์žฅํ•ด, ๊ฒธ์ƒ์ ํ˜ˆ๊ตฌํ™”

(้ŽŒ็‹€่ตค่ก€็ƒๅŒ–)์— ์–ต์ œํšจ๊ณผ๊ฐ€ ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ์•Œ๋ ค์ ธ ์žˆ๋‹ค.

(Abdulmalik et al., 2005; Kim et al., 2008; Shieh et al.,

2011; Li et al., 2011; Reina et al., 2013; Jiang et al.,

2015; Kim et al., 2018; Bae and Seo, 2019).

์†Œ๋ฉด์  ์ž‘๋ฌผ (์žฌ๋ฐฐ๋ฉด์  1,000ใŠ ์ดํ•˜)์ด ๋Œ€๋ถ€๋ถ„์ธ ์•ฝ์šฉ์ž‘๋ฌผ

์€ ์‘์šฉํ•™์ ์ธ ์—ฐ๊ตฌ๊ฐ€ ์ฃผ๋ฅผ ์ด๋ฃจ๊ณ  ์žˆ์–ด, ๊ธฐ์ดˆ์—ฐ๊ตฌ๊ฐ€ ๋งŽ์ด ๋ถ€

์กฑํ•œ ์‹ค์ •์ด๋‹ค. ์ง€ํ™ฉ์— ๋Œ€ํ•œ ์—ฐ๊ตฌ๋„ ํ˜„์žฌ ์ž‘๋ฌผ์˜ ๊ธฐ๋ณธ์ ์ธ ํŠน

์„ฑ์— ๊ด€ํ•œ ๊ธฐ์ดˆ ์—ฐ๊ตฌ๋Š” ์ข…์ž์˜ ๋ฐœ์•„์ ์˜จ์— ๊ด€ํ•œ ์—ฐ๊ตฌ, ์ž์›…๋ฐฐ

์šฐ์ฒด์˜ ๋ฐœ์ƒํ•™์  ํŠน์„ฑ์—ฐ๊ตฌ, ๊ต์žก ์นœํ™”์„ฑ์— ๊ด€ํ•œ ์—ฐ๊ตฌ ๋“ฑ์œผ๋กœ

๋งค์šฐ ๋ถ€์กฑํ•œ ์‹ค์ •์ด๋‹ค (Park et al., 1998; Park et al.,

1999). ํŠนํžˆ, ์ง€ํ™ฉ์€ ์ข…์ž์™€ ์˜์–‘์ฒด์ธ ์ง€ํ•˜๊ฒฝ ๋ชจ๋‘ ๋ฒˆ์‹์ด ๊ฐ€

๋Šฅํ•˜๋‚˜, ์ „ํ†ต์ ์œผ๋กœ ๋†๊ฐ€์—์„œ๋Š” ์ƒ์‚ฐ๋Ÿ‰ ๋ฌธ์ œ๋กœ ์ธํ•ด ์ง€ํ•˜๊ฒฝ์„

์ ์ • ๊ทœ๊ฒฉ (๊ตต๊ธฐ 6 - 10ใŽœ, ๊ธธ์ด 2ใŽ ๋‚ด์™ธ)์œผ๋กœ ์ •์„ ํ•œ ํ›„,

ํŒŒ์ข…ํ•˜์—ฌ ์žฌ๋ฐฐํ•œ๋‹ค. ์ง€ํ•˜๊ฒฝ์„ ์ฃผ๋กœ ์ด์šฉํ•จ์—๋„ ๋ถˆ๊ตฌํ•˜๊ณ , ์ข…์ž

์˜ ๋ฐœ์•„์ ์˜จ์— ๋Œ€ํ•œ ์—ฐ๊ตฌ๋Š” ์žˆ์—ˆ์œผ๋‚˜ (Park et al., 1999), ์ง€

ํ•˜๊ฒฝ์˜ ์ถœ์•„์ ์˜จ์— ๋Œ€ํ•œ ์—ฐ๊ตฌ๋Š” ์—†์—ˆ๋‹ค. ๋˜ํ•œ ์ง€ํ•˜๊ฒฝ์„ ์ด์šฉ

ํ•œ ๋ณด์‹์šฉ ์œก๋ฌ˜ ์žฌ๋ฐฐ์— ๋Œ€ํ•œ ์—ฐ๊ตฌ๊ฐ€ ์ฒ˜์Œ ์ง„ํ–‰๋œ ๋ฐ” ์žˆ์œผ๋‚˜

(Lee et al., 2019), ์ถœ์•„ ํ›„ ๋ฌ˜์†Œ์งˆ์— ๋Œ€ํ•œ ๊ธฐ์ดˆ์ ์ธ ๋‚ด์šฉ์ด

์—†์—ˆ๊ณ , ์ ์ • ์œก๋ฌ˜ ๊ธฐ๊ฐ„์— ๋Œ€ํ•œ ์—ฐ๊ตฌ๋„ ๋ถ€์กฑํ•˜์˜€๋‹ค. ๋”ฐ๋ผ์„œ ๋ณธ

์—ฐ๊ตฌ๋Š” ์ง€ํ™ฉ์˜ ์ ์ • ์ถœ์•„ ์กฐ๊ฑด ๋ฐ ์œก๋ฌ˜ ๊ธฐ๊ฐ„์„ ๊ตฌ๋ช…ํ•˜์—ฌ ์œ„ํ•ด

์ˆ˜ํ–‰ํ•˜๊ฒŒ ๋˜์—ˆ๋‹ค.

์žฌ๋ฃŒ ๋ฐ ๋ฐฉ๋ฒ•

1. ํŠธ๋ ˆ์ด ์œก๋ฌ˜ ๋ฐฉ๋ฒ•

์‹คํ—˜์— ์‚ฌ์šฉ๋œ ์ข…๊ทผ์€ ๊ตญ๋ฆฝ์›์˜ˆํŠน์ž‘๊ณผํ•™์› ์•ฝ์šฉ์ž‘๋ฌผ๊ณผ ์‹œ

ํ—˜ํฌ์žฅ์—์„œ 2019๋…„ 3์›” ์ค‘์ˆœ์— ์ˆ˜ํ™•ํ•œ ์ง€ํ™ฉ [Rehmannia

glutinosa (Gaertn.) Libosch. ex Steud.] 1ํ˜ธ ํ’ˆ์ข…์˜ ์ข…๊ทผ์„

์ •์„ ํ•˜์—ฌ ์‚ฌ์šฉํ•˜์˜€๋‹ค. ์‹คํ—˜์— ์‚ฌ์šฉํ•œ ์ข…๊ทผ ๊ทœ๊ฒฉ์€ ๊ตต๊ธฐ 6 - 10

ใŽœ, ๊ธธ์ด 2ใŽ๋กœ ํ•˜์˜€์œผ๋ฉฐ, ํ”Œ๋Ÿฌ๊ทธ๋Š” 50 ๊ณต ํŠธ๋ ˆ์ด (4.5ใŽ ร—

4.5ใŽ ร— 5ใŽ)๋ฅผ ์‚ฌ์šฉํ•˜์˜€๋‹ค. ์ƒํ† ๋Š” ์œ ๊ธฐ์„ฑ ์ƒํ† ๋ฅผ ์‚ฌ์šฉํ•˜์˜€

์œผ๋ฉฐ, ํ”Œ๋Ÿฌ๊ทธ ์œก๋ฌ˜๋Š” 4 ์›” ์ƒ์ˆœ์— ์ง„ํ–‰ํ•˜์˜€์œผ๋ฉฐ, ํ”Œ๋Ÿฌ๊ทธ ์œก๋ฌ˜

๊ธฐ๊ฐ„ ๋™์•ˆ ์‹œ์„ค ๋‚ด ํ‰๊ท ์˜จ๋„๋Š” 21.3 ยฑ 7.4โ„ƒ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ์˜จ๋„

์กฐ๊ฑด ๋ณ„ ์ถœ์•„ ์‹คํ—˜์—์„œ ์ˆ˜๋ถ„ ์กฐ๊ฑด์€ ์ผ๋ฐ˜ ์œก๋ฌ˜ ์กฐ๊ฑด์œผ๋กœ ์ถฉ๋ถ„

ํžˆ ์ˆ˜๋ถ„์„ ๊ฐ€ํ•œ ํ›„, ํŠธ๋ ˆ์ด ํ•˜๋ถ€์— ๋ฌผ ๋น ์ง์ด ์—†๋Š” ์ƒํƒœ์—์„œ

ํŒŒ์ข…ํ•œ ๋‹ค์Œ ์˜จ๋„ ๊ตฌ๊ฐ„๋ณ„๋กœ ์ƒ์žฅ์ƒ์—์„œ ์ถœ์•„์œจ์„ ์กฐ์‚ฌํ•˜์˜€์œผ

๋ฉฐ, ์ˆ˜๋ถ„ํ•จ๋Ÿ‰์€ 281 ยฑ 21%๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค.

์ˆ˜๋ถ„ ํ•จ๋Ÿ‰ ๋ณ„ ์ถœ์•„ ์‹œํ—˜์—์„œ ๊ณ ์Šต ์กฐ๊ฑด์€ ์ƒํ† ์˜ ํ•จ์ˆ˜์œจ์ด

์ตœ๊ณ ๊ฐ€ ๋˜๋„๋ก ์ˆ˜๋ถ„์„ ๊ฐ€ํ•œ ์ƒํƒœ๋กœ ํ† ์–‘ ํ•จ์ˆ˜์œจ์€ 98 ยฑ 2%,

์ €์Šต ์กฐ๊ฑด์€ ์ƒํ† ์— ์•„๋ฌด๋Ÿฐ ์ˆ˜๋ถ„์„ ์ฒ˜๋ฆฌํ•˜์ง€ ์•Š์€ ์ƒํƒœ๋กœ ํ† 

์–‘ ํ•จ์ˆ˜์œจ์€ 233 ยฑ 4%, ์ค‘์Šต ์กฐ๊ฑด์€ ๊ณ ์Šต ์กฐ๊ฑด์˜ ํ† ์–‘๊ณผ ์ €์Šต

์กฐ๊ฑด์˜ ํ† ์–‘์„ 50%์”ฉ ์„ž์€ ์ค‘๊ฐ„ ์ƒํƒœ๋กœ ํ† ์–‘ ํ•จ์ˆ˜์œจ์€

336 ยฑ 11%์ด๋‹ค.

2. ํ† ์–‘ ํ•จ์ˆ˜์œจ ์ธก์ •

ํ† ์–‘ ํ•จ์ˆ˜์œจ ์ธก์ •์€ ์ค‘๋Ÿ‰๋ฒ•์„ ์ด์šฉํ•˜์˜€์œผ๋ฉฐ, ์ฑ„์ทจํ•œ ํ† ์–‘

์„ 105โ„ƒ์—์„œ 24 ์‹œ๊ฐ„ ๊ฑด์กฐ ํ›„, ์•„๋ž˜์˜ ๊ณต์‹์— ์˜ํ•˜์—ฌ ์ธก์ •

ํ•˜์˜€๋‹ค.

3. ํ†ต๊ณ„๋ถ„์„

์‹คํ—˜๊ฒฐ๊ณผ๋Š” SAS Enterprise Guide 4.2 (Statistical analysis

system, 2009, Cray, NC, USA)๋กœ ๋ถ„์„ํ•˜์˜€๊ณ , 3 ๋ฐ˜๋ณตํ•œ ๊ฒฐ

๊ณผ ๊ฐ’์„ ํ‰๊ท ์น˜ ยฑํ‘œ์ค€ํŽธ์ฐจ (means ยฑ SD)๋กœ ๋‚˜ํƒ€๋‚ด์—ˆ๋‹ค. ์‹œ

๋ฃŒ๊ฐ„์˜ ์œ ์˜์ ์ธ ์ฐจ์ด๋Š” Duncanโ€™s Multiple Range Test

(DMRT)๋กœ ์œ ์˜์ˆ˜์ค€ 5%์—์„œ ๊ฒ€์ฆํ•˜์˜€๋‹ค (p < 0.05).

๊ฒฐ๊ณผ ๋ฐ ๊ณ ์ฐฐ

1. ์˜จ๋„ ๋ฐ ์Šต๋„ ์กฐ๊ฑด์— ๋”ฐ๋ฅธ ์ถœ์•„์กฐ๊ฑด ๊ตฌ๋ช…

์˜จ๋„๊ฐ€ ์ง€ํ•˜๊ฒฝ์˜ ์ถœ์•„์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ์„ ๋ณด๊ธฐ ์œ„ํ•ด 15โ„ƒ๋ถ€ํ„ฐ

5โ„ƒ ๊ฐ„๊ฒฉ์œผ๋กœ 45โ„ƒ๊นŒ์ง€ ์ฒ˜๋ฆฌํ•œ ๊ฒฐ๊ณผ, ์ถœ์•„์‹œ๊ฐ€ 2 ์ผ๋กœ ๊ฐ€์žฅ

๋น ๋ฅธ ์˜จ๋„๋Š” 30 - 40โ„ƒ์˜ ๊ตฌ๊ฐ„์ด์—ˆ์œผ๋ฉฐ, 35โ„ƒ๊ฐ€ ๊ฐ€์žฅ ๋†’์€ ์ถœ

์•„์œจ์„ ๋ณด์˜€๋‹ค (Table 1). ์ถœ์•„๊ฐ€ ์™„๋ฃŒ๋˜๋Š” ์‹œ๊ธฐ๋Š” ์˜จ๋„ ๊ตฌ๊ฐ„

๋ณ„๋กœ ์ฐจ์ด๊ฐ€ ์žˆ์—ˆ๋Š”๋ฐ, 35โ„ƒ 6 ์ผ > 30โ„ƒ 7 ์ผ > 25โ„ƒ 9 ์ผ

> 40โ„ƒ 10 ์ผ > 20โ„ƒ 13 ์ผ ์ˆœ์„œ๋กœ ์ถœ์•„ ์™„๋ฃŒ ์‹œ๊ธฐ๊ฐ€ ๋นจ๋ž๋‹ค.

๊ทธ๋Ÿฌ๋‚˜ 2 ์ฃผ์˜ ์‹œ๊ฐ„์ด ์ง€๋‚˜๋„ 15โ„ƒ์˜ ์ €์˜จ์—์„œ๋Š” ์ถœ์•„์œจ์ด

1.3%์— ๋ถˆ๊ณผํ•˜์˜€๊ณ , 45โ„ƒ์˜ ๊ณ ์˜จ์—์„œ๋Š” ์ถœ์•„๊ฐ€ ์ „ํ˜€ ์ผ์–ด๋‚˜์ง€

์•Š์•˜๋‹ค. ๋˜ํ•œ, 3 ์ฃผ๊ฐ€ ์ง€๋‚ฌ์„ ๋•Œ 15โ„ƒ์™€ 45โ„ƒ์—์„œ๋Š” ์ข…๊ทผ์˜

ํ•จ์ˆ˜์œจ(%) =๊ฑด์กฐ ์ „ ์‹œ๋ฃŒ๋ฌด๊ฒŒ

โ€“ ๊ฑด์กฐ ํ›„ ์‹œ๋ฃŒ๋ฌด๊ฒŒร— 100

๊ฑด์กฐ ํ›„ ์‹œ๋ฃŒ๋ฌด๊ฒŒ

Page 3: Investigation of Emergence Conditions and Plug Seedling ...

์ง€ํ™ฉ์˜ ์ถœ์•„์กฐ๊ฑด ๋ฐ ํ”Œ๋Ÿฌ๊ทธ ์œก๋ฌ˜๊ธฐ๊ฐ„ ๊ตฌ๋ช… ์—ฐ๊ตฌ

273

๋ถ€ํŒจ๊ฐ€ ์ผ์–ด๋‚ฌ์œผ๋ฉฐ (Fig. 1), ์ตœ์ข… ์ถœ์•„์œจ์€ 15โ„ƒ์—์„œ 20%,

45โ„ƒ์—์„œ 0%์˜€๋‹ค (data not shown).

์‹คํ—˜๊ฒฐ๊ณผ ์ง€ํ™ฉ [Rehmannia glutinosa (Gaertn.) Libosch.

ex Steud.]์˜ ์ ์ •ํ•œ ์ถœ์•„ ์˜จ๋„๋Š” 20โ„ƒ๋Š” ๋˜์–ด์•ผ ํ•˜๋ฉฐ, ์˜จ๋„๊ฐ€

์˜ฌ๋ผ๊ฐˆ์ˆ˜๋ก ์ถœ์•„๊ฐ€ ๋นจ๋ผ์ง€๋Š” ๊ฒฝํ–ฅ์ด ์žˆ์œผ๋‚˜ 45โ„ƒ์˜ ๊ณ ์˜จ์—์„œ

๋Š” ์ถœ์•„๊ฐ€ ๋˜์ง€ ์•Š๋Š”๋‹ค๋Š” ๊ฒƒ์„ ์•Œ ์ˆ˜ ์žˆ์—ˆ๋‹ค. ๋”ฐ๋ผ์„œ ์ง€ํ™ฉ์˜

์ถœ์•„ ๊ฐ€๋Šฅ ์˜จ๋„๋Š” 20 - 40โ„ƒ์˜ ๊ตฌ๊ฐ„์ด๊ณ , ์ ์ • ์ถœ์•„ ์˜จ๋„๋Š” 30

- 35โ„ƒ ๊ตฌ๊ฐ„์ด๋ฉฐ, ๊ทธ ์ด์™ธ์˜ ์ €์˜จ๊ณผ ๊ณ ์˜จ์—์„œ๋Š” ์ถœ์•„๊ฐ€ ๋ถˆ๊ฐ€๋Šฅ

ํ•˜๋‹ค๊ณ  ํŒ๋‹จ๋œ๋‹ค. ๋˜ํ•œ, ์ถœ์•„๊ฐ€ ์™„๋ฃŒ๋œ ๊ตฌ๊ฐ„ ์ค‘์— 20โ„ƒ๋งŒ์ด

100%๊ฐ€ ๋˜์ง€ ์•Š์•˜๋Š”๋ฐ, ์ด ๋˜ํ•œ ๋ถ€ํŒจ๋กœ ์ธํ•œ ๊ฒƒ์œผ๋กœ 20โ„ƒ๋„

15โ„ƒ์ฒ˜๋Ÿผ ์ง€ํ•˜๊ฒฝ์— ๋ƒ‰ํ•ด ํ”ผํ•ด๋ฅผ ์ž…์„ ์ˆ˜ ์žˆ๋Š” ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ๋Š”

๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋œ๋‹ค.

์Šต๋„๊ฐ€ ์ง€ํ•˜๊ฒฝ์˜ ์ถœ์•„์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ์„ ๋ณด๊ธฐ ์œ„ํ•ด ์ˆ˜๋ถ„ ์กฐ

๊ฑด์„ 3 ๋‹จ๊ณ„๋กœ ๋‚˜๋ˆ„์—ˆ์œผ๋ฉฐ, ์˜จ๋„๋Š” ๊ฐ€์žฅ ๋นจ๋ฆฌ ์ถœ์•„๊ฐ€ ์™„์„ฑ๋˜

๋Š” 35โ„ƒ์—์„œ ์‹คํ—˜์„ ์ˆ˜ํ–‰ํ•˜์˜€๋‹ค. ์ˆ˜๋ถ„์„ ์ตœ๋Œ€๋กœ ๊ฐ€ํ•œ ๊ณ ์Šต ์ƒ

ํƒœ์—์„œ์˜ ํ•จ์ˆ˜์œจ์€ 336%๋กœ ๋‚˜ํƒ€๋‚ฌ๊ณ , ์ƒํ† ์— ์ˆ˜๋ถ„์ฒ˜๋ฆฌ๋ฅผ ํ•˜

์ง€ ์•Š์€ ์ €์Šต ์ƒํƒœ์—์„œ์˜ ํ•จ์ˆ˜์œจ์€ 98%๋กœ ๋‚˜ํƒ€๋‚ฌ์œผ๋ฉฐ, ์ €์Šต

์ƒํƒœ์™€ ๊ณ ์Šต ์ƒํƒœ์˜ ์ƒํ† ๋ฅผ 1 : 1๋กœ ์„ž์€ ์ค‘์Šต ์ƒํƒœ์—์„œ์˜ ํ•จ

์ˆ˜์œจ์€ 233%๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค (Table 2).

๊ณ ์Šต ์ƒํƒœ (ํ•จ์ˆ˜์œจ 336%)์—์„œ๋Š” 6 ์ผ์งธ์— ์ถœ์•„๊ฐ€ ์™„๋ฃŒ๋˜์—ˆ

๊ณ , ์ค‘์Šต ์ƒํƒœ (ํ•จ์ˆ˜์œจ 233%)์—์„œ๋Š” 7 ์ผ์ด ์†Œ์š”๋˜์—ˆ์œผ๋ฉฐ, ์ €

์Šต ์ƒํƒœ (ํ•จ์ˆ˜์œจ 98%)์—์„œ๋Š” 2 ์ฃผ๊ฐ€ ์ง€๋‚˜๋„ ์ถœ์•„๊ฐ€ ์ผ์–ด๋‚˜์ง€

์•Š์•˜๋‹ค. ๋˜ํ•œ, ๊ณ ์Šต ์ƒํƒœ (ํ•จ์ˆ˜์œจ 336%)์—์„œ๋Š” 6 ์ผ์งธ์— ๋ถ€ํŒจ

๋กœ ์ธํ•ด ์ถœ์•„๊ฐ€ ๋˜์ง€ ๋ชปํ•œ ์ง€ํ•˜๊ฒฝ์ด ๋ฐœ์ƒํ–ˆ์œผ๋ฉฐ, 2 ์ฃผ ๋’ค์—๋Š”

์ถœ์•„๊ฐ€ ๋œ ์ง€ํ•˜๊ฒฝ๋„ ๋ถ€ํŒจํ•˜๋Š” ํ˜„์ƒ์ด ๋‚˜ํƒ€๋‚ฌ๋‹ค. ์˜จ๋„ ๋ณ„ ์ถœ์•„

์กฐ๊ฑด ๊ตฌ๋ช… ์‹คํ—˜์—์„œ๋Š” 35โ„ƒ์—์„œ ๋ถ€ํŒจ๊ฐ€ ์ผ์–ด๋‚˜์ง€ ์•Š์•„ ์ถœ์•„์œจ

์ด 100%์˜€๋Š”๋ฐ, ๊ทธ ์ด์œ ๋Š” ํ† ์–‘์˜ ํ•จ์ˆ˜์œจ์ด 281%๋กœ ์ค‘์Šต ์กฐ

๊ฑด๊ณผ ๊ณ ์Šต ์กฐ๊ฑด์˜ ์ค‘๊ฐ„ ์ •๋„์˜ ํ•จ์ˆ˜์œจ๋กœ, ๊ณผ์Šต์œผ๋กœ ์ธํ•œ ํ”ผํ•ด

๊ฐ€ ์ ์—ˆ๊ธฐ ๋•Œ๋ฌธ์œผ๋กœ ์ƒ๊ฐ๋œ๋‹ค. ๋”ฐ๋ผ์„œ ์œก๋ฌ˜ ์‹œ ์ง€ํ™ฉ ์ง€ํ•˜๊ฒฝ์ด

์ถœ์•„ํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ํ† ์–‘์— ์ˆ˜๋ถ„์ด ์ถฉ๋ถ„ํ•ด์•ผ ํ•˜๋‚˜, ์ถœ์•„๊ฐ€ ๋œ ์ด

ํ›„์—๋Š” ์ˆ˜๋ถ„์„ ๋‚ฎ์ถฐ์ค˜์•ผ ํ•  ๊ฒƒ์œผ๋กœ ํŒ๋‹จ๋œ๋‹ค. ๋˜ํ•œ, ์ €์Šต ์ƒํƒœ

(ํ•จ์ˆ˜์œจ 98%)์—์„œ๋Š” 3 ์ฃผ์งธ ๊ด€์ฐฐํ•˜์˜€์„ ๋•Œ, ์ถœ์•„๊ฐ€ ๋˜๊ธฐ ์‹œ์ž‘

ํ•˜์˜€์œผ๋‚˜, ์ข…๊ทผ์ด ๋งˆ๋ฅด๊ณ  ์ถœ์•„๋œ ์‹น์ด ์ฃผํ™ฉ์ƒ‰์œผ๋กœ ๋ณ€์ƒ‰๋˜์–ด ์ˆ˜

๋ถ„ ๋ถ€์กฑ์œผ๋กœ ์ •์ƒ์ ์ธ ์ถœ์•„๊ฐ€ ์–ด๋ ค์›€์„ ์•Œ ์ˆ˜ ์žˆ์—ˆ๋‹ค (Fig. 1).

์ง€ํ™ฉ ์ง€ํ•˜๊ฒฝ์˜ ์ ์ • ์ถœ์•„ ์กฐ๊ฑด์„ ์ฐพ๊ธฐ ์œ„ํ•ด ์˜จ๋„์™€ ์Šต๋„๋กœ

๋‚˜๋ˆ„์–ด ์‹คํ—˜ํ•œ ๊ฒฐ๊ณผ ์ถœ์•„ ๊ฐ€๋Šฅ ์˜จ๋„ ๊ตฌ๊ฐ„์€ 20 - 40โ„ƒ, ์ ์ •

์˜จ๋„ ๊ตฌ๊ฐ„์€ 30 - 35โ„ƒ, ์ถœ์•„๊ฐ€ ๊ฐ€์žฅ ๋นจ๋ฆฌ ์™„๋ฃŒ๋˜๋Š” ์˜จ๋„๋Š” 35

โ„ƒ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ์ง€ํ™ฉ์˜ ์ข…์ž๋„ ์˜จ๋„๊ฐ€ ์˜ฌ๋ผ๊ฐˆ์ˆ˜๋ก ๋ฐœ์•„๊ฐ€ ๋นจ

๋ฆฌ๋œ๋‹ค๋Š” ์—ฐ๊ตฌ ๊ฒฐ๊ณผ๊ฐ€ ๋ณด๊ณ  ๋œ ๋ฐ” ์žˆ๋Š”๋ฐ (Park et al.,

1999), ์ง€ํ•˜๊ฒฝ์„ ์ด์šฉํ•œ ๋ณธ ์‹คํ—˜์˜ ์ถœ์•„ ๊ฒฐ๊ณผ์™€ ๊ฒฝํ–ฅ์ด ๋น„์Šท

ํ•˜์˜€๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๋ณธ ์—ฐ๊ตฌ๋Š” ์ง€ํ•˜๊ฒฝ์ด ์ถœ์•„๊ฐ€ ๋ถˆ๊ฐ€๋Šฅํ•œ ์‹œ์ ์ธ

45โ„ƒ๊นŒ์ง€ ์ฒ˜๋ฆฌ๋ฅผ ํ•˜์—ฌ ๋ถˆ๊ฐ€๋Šฅํ•œ ์˜จ๋„ ๊ตฌ๊ฐ„์„ ๋ฐํ˜”์ง€๋งŒ, ๊ธฐ ๋ณด

๊ณ ๋œ ์ข…์ž ์—ฐ๊ตฌ์—์„œ๋Š” ๋‹จ์ˆœํžˆ 30โ„ƒ๊นŒ์ง€๋งŒ ์ฒ˜๋ฆฌํ•˜์—ฌ ์ข…์ž์˜ ๋ฐœ

์•„๊ฐ€ ๋ถˆ๊ฐ€๋Šฅํ•œ ์‹œ์ ์ด ๋ฐํ˜€์ง€์ง€ ์•Š์•„ ์ข…์ž์™€ ์ง€ํ•˜๊ฒฝ์˜ ์ ์ •

๋ฐœ์•„์˜จ๋„์™€ ์ถœ์•„์˜จ๋„๊ฐ€ ๊ฐ™์€ ๊ตฌ๊ฐ„์ธ์ง€๋Š” ์•Œ ์ˆ˜ ์—†์—ˆ๋‹ค.

์ง€ํ™ฉ์€ ์ง€ํ•˜๊ฒฝ์„ ์ด์šฉํ•ด ์žฌ๋ฐฐ๋ฅผ ํ•˜๋Š”๋ฐ, ์ง€ํ•˜๊ฒฝ ์ž์ฒด์— ์–‘

๋ถ„๊ณผ ์ˆ˜๋ถ„์ด ์ €์žฅ๋˜์–ด ์žˆ์–ด์„œ ์ˆ˜๋ถ„์ด ์—†์–ด๋„ ์ถœ์•„๊ฐ€ ๊ฐ€๋Šฅํ• 

๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋˜์—ˆ์œผ๋‚˜, ์‹ค์ œ ์‹คํ—˜๊ฒฐ๊ณผ ํ† ์–‘์˜ ์ˆ˜๋ถ„ ํ•จ๋Ÿ‰์ด ๋‚ฎ

์„ ๊ฒฝ์šฐ ์ •์ƒ์ ์ธ ์ถœ์•„๊ฐ€ ์–ด๋ ต๋‹ค๋Š” ๊ฒƒ์„ ์•Œ ์ˆ˜ ์žˆ์—ˆ๋‹ค. ํŠนํžˆ,

์ €์Šต ์ƒํƒœ (ํ•จ์ˆ˜์œจ 98%)์—์„œ 35โ„ƒ์˜ ๊ณ ์˜จ์—์„œ๋Š” ์ง€ํ•˜๊ฒฝ์— ํ”ผ

ํ•ด๋ฅผ ์ž…์–ด ์ถœ์•„๊ฐ€ ๋ถˆ๋Ÿ‰ํ•ด์ง์„ ์•Œ ์ˆ˜ ์žˆ์—ˆ๊ณ , ๊ณ ์Šต ์ƒํƒœ (ํ•จ์ˆ˜

์œจ 336%)์—์„œ 35โ„ƒ์˜ ๊ณ ์˜จ๊นŒ์ง€ ์˜ฌ๋ผ๊ฐ€๋ฉด ์ถœ์•„๋Š” ์ผ์–ด๋‚˜์ง€๋งŒ

์ง€ํ•˜๊ฒฝ์ด ๋ถ€ํŒจํ•˜์—ฌ ์ƒ์œก์ด ๋ถˆ๊ฐ€๋Šฅํ•จ์„ ์•Œ ์ˆ˜ ์žˆ์—ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜

์ค‘์Šต ์ƒํƒœ (ํ•จ์ˆ˜์œจ 233%)์—์„œ๋Š” 35โ„ƒ์˜ ๊ณ ์˜จ์ด์ง€๋งŒ, ์‹คํ—˜์„

์ง„ํ–‰ํ•œ 2 ์ฃผ๊ฐ„ ์ง€ํ•˜๊ฒฝ์ด ์ฉ์ง€ ์•Š์•˜๋‹ค. ๋”ฐ๋ผ์„œ ์ง€ํ™ฉ์˜ ์ง€ํ•˜๊ฒฝ

์˜ ํ”ผํ•ด ์กฐ๊ฑด ๋ฐ ์–‘์ƒ์€ ๊ณ ์˜จยท๊ฑด์กฐ๋กœ ์ธํ•œ ์ถœ์•„ ๋ถˆ๋Ÿ‰๊ณผ ๊ณ ์˜จยท

๊ณ ์Šต์œผ๋กœ ์ธํ•œ ์ง€ํ•˜๊ฒฝ ๋ถ€ํŒจ๋กœ ๋‚˜ํƒ€๋‚จ์„ ์•Œ ์ˆ˜ ์žˆ์—ˆ๋‹ค. ์‹ค์ œ

์ง€ํ™ฉ์€ ๋…ธ์ง€ ์žฌ๋ฐฐ ์‹œ ๊ฑด์กฐํ•˜๊ณ  ์˜จ๋„๊ฐ€ ์˜ฌ๋ผ๊ฐ€๋ฉด ์ถœ์•„๊ฐ€ ๋ถˆ๋Ÿ‰

ํ•ด์ง€๊ณ , ๊ฐ•์ˆ˜๋Ÿ‰์ด ๋งŽ๊ณ  ์˜จ๋„๊ฐ€ ์˜ฌ๋ผ๊ฐ€๋ฉด ๋ถ€ํŒจ๊ฐ€ ์ผ์–ด๋‚˜๋Š”๋ฐ

(Lee et al., 2019), ๋ณธ ์‹คํ—˜์˜ ์—ฐ๊ตฌ ๊ฒฐ๊ณผ์™€ ๋น„๊ตํ•ด ๋ณผ ๋•Œ ๊ฒฝ

Table 1. Effect of temperature on a emergence rate of R. glutinosa seed rhizome.

Temperature(โ„ƒ)

Emergence rate (%)

2D 4D 6D 8D 10D 12D 14D1)

15 ND ND ND ND ND ND 001.3ยฑ1.2c

20 ND 01.3ยฑ1.2e 009.3ยฑ6.1c 038.7ยฑ6.1c 074.7ยฑ6.4b 096.0ยฑ3.5b 096.0ยฑ3.5b

25 ND 13.3ยฑ4.2d 073.3ยฑ5.5b b097.3ยฑ4.6ab 100.0ยฑ0.0a 100.0ยฑ0.0a 100.0ยฑ0.0a

30 0.7ยฑ1.2b 43.3ยฑ7.0b 093.3ยฑ4.6a 100.0ยฑ0.0a 100.0ยฑ0.0a 100.0ยฑ0.0a 100.0ยฑ0.0a

35 4.0ยฑ2.0a 83.3ยฑ5.0a 100.0ยฑ0.0a 100.0ยฑ0.0a 100.0ยฑ0.0a 100.0ยฑ0.0a 100.0ยฑ0.0a

40 0.7ยฑ1.2b 32.0ยฑ6.1c 069.3ยฑ3.8b 088.7ยฑ4.0b 096.7ยฑ4.2a 100.0ยฑ0.0a 100.0ยฑ0.0a

45 ND ND ND ND ND ND ND2)

1)D; day after seedling, 2)ND; Not detected. Means values ยฑ SD from triplicate separated experiments are shown. *Means with difference lettersare significantly different at p < 0.05 by Duncanโ€™s Multiple Range Test (DMRT). DS1, DS2 indicates directly seeding, directly seeding (replanting),respectively.

Page 4: Investigation of Emergence Conditions and Plug Seedling ...

์ด์ƒํ›ˆ ยท๊ตฌ์„ฑ์ฒ  ยทํ—ˆ๋ชฉ ยท์ด์šฐ๋ฌธ ยท๋ฐ•๋ฏผ์ˆ˜ ยทํ•œ์ข…์›

274

ํ–ฅ์ด ๋น„์Šทํ•˜์˜€๋‹ค.

์ง€ํ™ฉ์€ ํ‘์ƒ‰ ๋น„๋‹ ๋ฉ€์นญ์„ ์‚ฌ์šฉํ•œ ๋…ธ์ง€ ์žฌ๋ฐฐ๋ฅผ ํ•˜๋ฉฐ, ์ง€ํ•˜๊ฒฝ

์„ ์‹ฌ๋Š” ๊นŠ์ด๋Š” 3 ใŽ ์ •๋„๋กœ ์–•์€ ํŽธ์ด๋‹ค. ๋˜ํ•œ, ๊ฐ™์€ ์˜จ๋„

์กฐ๊ฑด์—์„œ๋„ ๋ฌดํ”ผ๋ณต์— ๋น„ํ•ด ํ‘์ƒ‰ ๋น„๋‹ ๋ฉ€์นญ๋œ ํ† ์–‘์˜ ๊ฒฝ์šฐ ํ‰

๊ท  ์˜จ๋„๋Š” 2โ„ƒ์ •๋„ ๋†’๊ณ  (Yun et al., 2011), 5 ใŽ ๊นŠ์ด์˜ ํ† 

์–‘์˜ ๊ฒฝ์šฐ ์ตœ๋Œ€ ์˜จ๋„ ๋ณ€ํ™”๋Š” 5โ„ƒ ์ด์ƒ ์ฐจ์ด๊ฐ€ ๋‚  ์ˆ˜ ์žˆ๋‹ค

(Cui and Lee, 1999).

2019๋…„์— ์ถœ์•„๋ถˆ๋Ÿ‰์œผ๋กœ ๋ณด์‹์„ ์‹ค์‹œํ•œ ๋†๊ฐ€๊ฐ€ ๋งŽ์ด ๋ฐœ์ƒํ•œ

์ •์๊ณผ ๊ธˆ์‚ฐ์˜ ๊ฒฝ์šฐ, 4 - 5 ์›”์˜ ๊ธฐ์ƒ์ฒญ ๊ธฐํ›„ ํ†ต๊ณ„์ž๋ฃŒ๋ฅผ ์ฐธ๊ณ 

ํ•ด๋ณด๋ฉด, ์ •์์˜ ์ตœ๋Œ€ ์˜จ๋„๋Š” 31.3โ„ƒ, ๊ธˆ์‚ฐ์˜ ๊ฒฝ์šฐ 33.2โ„ƒ๋กœ ๋‚˜

ํƒ€๋‚ฌ์œผ๋ฉฐ, ๊ณตํ†ต์ ์œผ๋กœ ์ตœ๋Œ€ ๊ธฐ์˜จ์ด ๋ฐœ์ƒํ•˜๊ธฐ 4 - 5 ์ผ ์ „์— ์›”

์ตœ๊ณ  ๊ฐ•์ˆ˜๋Ÿ‰์„ ๊ธฐ๋กํ–ˆ๋‹ค. ์ด๋Ÿฌํ•œ ์กฐ๊ฑด๋“ค์„ ๊ณ ๋ คํ•ด ๋ณผ ๋•Œ, ๋ณธ

์‹คํ—˜์˜ 35โ„ƒยท๊ณ ์Šต ์กฐ๊ฑด (ํ•จ์ˆ˜์œจ 336%)์ด ์‹ค์ œ ๋…ธ์ง€์—์„œ๋„ ๋ฐœ

์ƒํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, ์ด๋Ÿฌํ•œ ์กฐ๊ฑด์ด ์ง€ํ™ฉ ์ง€ํ•˜๊ฒฝ์ด ๋ถ€ํŒจํ•˜๋Š” ์กฐ๊ฑด

์ผ ๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋œ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๋…ธ์ง€์˜ ๊ฒฝ์šฐ ๋ณ€์˜จ ์กฐ๊ฑด์œผ๋กœ ๊ธ‰๊ฒฉ

ํ•œ ์˜จ๋„ ๋ณ€ํ™”์— ์˜ํ•œ ํ”ผํ•ด๋„ ์žˆ์„ ์ˆ˜ ์žˆ๊ธฐ ๋•Œ๋ฌธ์—, 35โ„ƒ๋ณด๋‹ค

๋‚ฎ์€ ์˜จ๋„ ์กฐ๊ฑด์—์„œ๋„ ๋ถ€ํŒจ๊ฐ€ ๋ฐœ์ƒํ•  ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ์„ ๊ฒƒ์œผ๋กœ

์ƒ๊ฐ๋œ๋‹ค.

2. ์ ์ • ์œก๋ฌ˜ ์‹œ๊ธฐ ๊ตฌ๋ช…

์œก๋ฌ˜๋Š” ๊ฐ€์˜จ ๋ฐ ์ฐจ๊ด‘๋ง‰ ์‹œ์„ค์ด ์„ค์น˜๋œ ํ•˜์šฐ์Šค์—์„œ ์‹คํ—˜์„

์ง„ํ–‰ํ•˜์˜€์œผ๋ฉฐ, 10 ์ผ ๊ฐ„๊ฒฉ์œผ๋กœ ์—ฝ์žฅ, ์—ฝํญ, ์—ฝ์ˆ˜, ๊ทผ์žฅ ๋ฐ ๊ฐœ

ํ™”์œจ์„ ์ธก์ •ํ•˜์˜€๋‹ค. ์—ฝ์žฅ์˜ ๊ฒฝ์šฐ ํŒŒ์ข… ํ›„ 50 ์ผ ๊นŒ์ง€ ๊ณ„์† ์ฆ

๊ฐ€ํ–ˆ์œผ๋ฉฐ, 60 ์ผ์—๋Š” 50 ์ผ๊ณผ ํ†ต๊ณ„์ƒ ์œ ์˜์„ฑ์€ ์—†์—ˆ๋‹ค (Table

3). ์—ฝํญ์˜ ๊ฒฝ์šฐ ํŒŒ์ข… ํ›„ 50 ์ผ๊นŒ์ง€๋Š” ์ฆ๊ฐ€๋์œผ๋‚˜, 60 ์ผ์—๋Š”

์˜คํžˆ๋ ค ๊ฐ์†Œ๋˜์—ˆ๊ณ , ์—ฝ์ˆ˜๋Š” ์œก๋ฌ˜ ๊ธฐ๊ฐ„ ๋™์•ˆ ๊ณ„์† ์ฆ๊ฐ€๋˜๋Š” ๊ฒฝ

ํ–ฅ์„ ๋ณด์˜€๋‹ค.

ํŒŒ์ข… ํ›„ 20 ์ผ์—์„œ 30 ์ผ ์‚ฌ์ด์— ์—ฝ์ˆ˜์—๋Š” ๋ณ€ํ™”๊ฐ€ ์—†์—ˆ์ง€

Fig. 1. Rotted rhizome (A) and dry-damaged rhizome (B) of R. glutinosa. The bar size is 1 ใŽ.

Table 2. Effect of moisture content on a emergence rate at 35โ„ƒ of R. glutinosa seed rhizome.

Moisturecontent(%)

Emergence rate (%)

2D 4D 6D โ€ฆ 14D1)

Low (98ยฑ2) ND ND ND

โ€ฆ

ND2)

Moderate (233ยฑ4) 0.7ยฑ1.2a 57.3ยฑ2.3b 95.3ยฑ1.2b 100.0ยฑ0.0a

High (336ยฑ11) 2.0ยฑ2.0a 83.3ยฑ6.1a 99.3ยฑ1.2a 199.3ยฑ1.2a

1)D; day after seedling, 2)ND; Not detected. Means values ยฑ SD from triplicate separated experiments are shown. *Means with difference lettersare significantly different at p < 0.05 by Duncanโ€™s Multiple Range Test (DMRT). DS1, DS2 indicates directly seeding, directly seeding (replanting),respectively.

Table 3. Aerial part growth characteristics of R. glutinosa seedling.

Seedling periods (days)

Leaf length(ใŽ)

Leaf width(ใŽ)

No. of leafper plant

10 00.9ยฑ0.2e 0.6ยฑ0.1e 4.5ยฑ0.8d

20 01.8ยฑ0.8d 1.2ยฑ0.3d 6.1ยฑ1.6c

30 05.9ยฑ0.9c 2.7ยฑ0.3c 6.1ยฑ0.8c

40 08.8ยฑ1.0b 3.9ยฑ0.6b 7.7ยฑ1.0b

50 10.8ยฑ1.3a 4.4ยฑ0.4a 7.9ยฑ1.1b

60 11.0ยฑ1.2a 4.1ยฑ0.6b 8.9ยฑ0.9a

Means values ยฑ SD from triplicate separated experiments are shown.*Means with difference letters are significantly different at p < 0.05by Duncanโ€™s Multiple Range Test (DMRT). DS1, DS2 indicatesdirectly seeding, directly seeding (replanting), respectively.

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์ง€ํ™ฉ์˜ ์ถœ์•„์กฐ๊ฑด ๋ฐ ํ”Œ๋Ÿฌ๊ทธ ์œก๋ฌ˜๊ธฐ๊ฐ„ ๊ตฌ๋ช… ์—ฐ๊ตฌ

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๋งŒ, ์žŽ์˜ ๊ธ‰๊ฒฉํ•œ ์„ฑ์žฅ์ด ์ผ์–ด๋‚ฌ๋Š”๋ฐ, ์—ฝ์žฅ์€ ์•ฝ 3 ๋ฐฐ, ์—ฝํญ์€

์•ฝ 2 ๋ฐฐ์ •๋„ ์ˆ˜์น˜๊ฐ€ ๋Š˜์–ด๋‚œ ๊ฒƒ์„ ์•Œ ์ˆ˜ ์žˆ์—ˆ๋‹ค. ์ด๋Ÿฌํ•œ ๋ณ€ํ™”

๋Š” ๋‹ค๋ฅธ ์ž‘๋ฌผ์˜ ์œก๋ฌ˜ ์‹œ์—๋„ ๋ณด๊ณ ๋œ ๋ฐ” ์žˆ๋Š”๋ฐ, ํ† ๋งˆํ† ์—์„œ๋Š”

ํ”Œ๋Ÿฌ๊ทธ ์œก๋ฌ˜ ์‹œ์— 25 ์ผ์—์„œ 30 ์ผ ์‚ฌ์ด์— ์—ฝ๋ฉด์ ์ด 3 ๋ฐฐ์ •

๋„ ๋Š˜์–ด๋‚ฌ๊ณ  (Choi et al., 2002), ์˜ฅ์ˆ˜์ˆ˜์—์„œ๋Š” ํŒŒ์ข… ์‹œ๊ธฐ์—

๋”ฐ๋ผ ๋‹ค๋ฅด์ง€๋งŒ, 15 ์ผ์—์„œ 30 ์ผ ์‚ฌ์ด์— ์—ฝ๋ฉด์ ์ด 2 - 3 ๋ฐฐ์ •

๋„ ๋Š˜์–ด๋‚ฌ๋‹ค (Kim et al., 2009).

์‹œ๊ธฐ ๋ณ„ ๋ฌ˜์˜ ์‚ฌ์ง„์„ ๋ณด๋ฉด (Fig. 2), ์žŽ์˜ ๊ฒฝ์šฐ 40 ์ผ๋ถ€ํ„ฐ

๊ฐ€์žฅ์ž๋ฆฌ์˜ ์—ฝ์ƒ‰์ด ์˜…์–ด์ง€๋Š” ๊ฒƒ์„ ๊ด€์ฐฐํ•  ์ˆ˜ ์žˆ๋Š”๋ฐ, ์ด๋กœ๋ณด

์•„ 40 ์ผ๋ถ€ํ„ฐ๋Š” ์žŽ์˜ ๋…ธํ™”๊ฐ€ ์ง„ํ–‰๋˜๋Š” ๊ฒƒ์œผ๋กœ ํŒ๋‹จ๋œ๋‹ค.

๋ฟŒ๋ฆฌ์˜ ๊ฒฝ์šฐ 20 ์ผ ํ›„์— ํ˜•์„ฑ๋œ ๊ฒƒ์œผ๋กœ ๋ณด์•„ ๋ฟŒ๋ฆฌ์˜ ํ˜•์„ฑ

์€ 10 ์ผ์—์„œ 20 ์ผ ์‚ฌ์ด์— ์‹œ์ž‘๋˜๋Š” ๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋œ๋‹ค. ๊ทผ์žฅ

์˜ ๊ฒฝ์šฐ ํŒŒ์ข… ํ›„ 40 ์ผ๊นŒ์ง€๋Š” ์ฆ๊ฐ€๋˜์ง€๋งŒ, ๊ทธ ์ดํ›„์—๋Š” ํ†ต๊ณ„

์ƒ ์œ ์˜์„ฑ์ด ์—†์—ˆ๋‹ค. ํŠนํžˆ, 20 ์ผ์—์„œ 30 ์ผ ์‚ฌ์ด์— ์žŽ์ฒ˜๋Ÿผ

๋ฟŒ๋ฆฌ ๊ธธ์ด๋„ 0.5 ๋ฐฐ ์ •๋„๋กœ ๋น ๋ฅด๊ฒŒ ์„ฑ์žฅํ–ˆ๋Š”๋ฐ, ๊ฐ™์€ ์•ฝ์šฉ์ž‘๋ฌผ

์ธ ์ฐธ๋‹น๊ท€ ์œก๋ฌ˜์—์„œ๋„ 60 ์ผ์—์„œ 90 ์ผ ์‚ฌ์ด์— 0.25 ๋ฐฐ ์ •๋„

Fig. 2. Observation of different seedling periods in seed rhizome of R. glutinosa. The bar size is 1 ใŽ. D;day after seedling. (A); 10 days after seedling, (B); 20 days after seedling, (C); 30 days after seedling,(D); 40 days after seedling, (E); 50 days after seedling, (F); 60 days after seedling.

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์ด์ƒํ›ˆ ยท๊ตฌ์„ฑ์ฒ  ยทํ—ˆ๋ชฉ ยท์ด์šฐ๋ฌธ ยท๋ฐ•๋ฏผ์ˆ˜ ยทํ•œ์ข…์›

276

๋กœ ๋น ๋ฅด๊ฒŒ ์„ฑ์žฅํ–ˆ๋‹ค๋Š” ๋ณด๊ณ ๊ฐ€ ์žˆ๋‹ค (Ahn and Yu, 1996).

์žŽ์˜ ์‹œ๊ธฐ ๋ณ„ ๋ฌ˜์˜ ์‚ฌ์ง„์„ ๋ณด๋ฉด (Fig. 2), ํŒŒ์ข… ํ›„ 40 ์ผ๊นŒ

์ง€๋Š” ๊ธธ์ด๊ฐ€ ์„ฑ์žฅํ•˜๋‹ค๊ฐ€ ๊ทธ ์ดํ›„์— ๊ทผ์˜ ๋น„๋Œ€๊ฐ€ ์ผ์–ด๋‚˜๋Š” ๊ฒƒ

์„ ๊ด€์ฐฐํ•  ์ˆ˜ ์žˆ์—ˆ๋‹ค. ๋”ฐ๋ผ์„œ ๋ฟŒ๋ฆฌ ๊ธธ์ด ์„ฑ์žฅ์€ ํŒŒ์ข… ํ›„ 40

์ผ์— ๋งˆ๋ฌด๋ฆฌ ๋˜๊ณ , ๊ทธ ์ดํ›„์—๋Š” ์ง€ํ•˜๊ฒฝ์˜ ๋น„๋Œ€๊ฐ€ ์ผ์–ด๋‚˜๋Š” ๊ฒƒ

์œผ๋กœ ํŒ๋‹จ๋œ๋‹ค. ๊ธฐ์กด์˜ ์ง€ํ™ฉ ์œก๋ฌ˜ ์—ฐ๊ตฌ์—์„œ 30 ์ผ์—๋Š” ์—†์—ˆ๋˜

๊ทผ์˜ ๋น„๋Œ€๊ฐ€ 45 ์ผ์„ ์œก๋ฌ˜ ํ–ˆ์„ ๋•Œ ์ด๋ฏธ ์ด๋ฃจ์–ด์กŒ๋‹ค๊ณ  ํ•˜์˜€๋Š”

๋ฐ (Lee et al., 2019), ๋ณธ ์—ฐ๊ตฌ ๊ฒฐ๊ณผ ๋น„๊ตํ•ด ๋ณผ ๋•Œ, ์ผ์น˜ํ•จ์„

์•Œ ์ˆ˜ ์žˆ์—ˆ๋‹ค.

๊ฐœํ™”๋Š” 20 ์ผ๊นŒ์ง€๋Š” ์ผ์–ด๋‚˜์ง€ ์•Š์•˜๋‹ค๊ฐ€, 30 ์ผ๋ถ€ํ„ฐ ์‹œ์ž‘๋˜

๋Š” ๊ฒƒ์„ ์•Œ ์ˆ˜ ์žˆ์—ˆ๋‹ค. ๋˜ํ•œ ๊ฐœํ™”์œจ์€ ์œก๋ฌ˜ ๊ธฐ๊ฐ„์ด ๋Š˜์–ด๋‚ ์ˆ˜

๋ก ์ ์  ๋†’์•„์ง€๋Š” ๊ฒฝํ–ฅ์ด ์žˆ์—ˆ์œผ๋ฉฐ, 30 ์ผ์—์„œ 40 ์ผ ์‚ฌ์ด์—

๊ธ‰๊ฒฉํžˆ ์ฆ๊ฐ€๋˜์—ˆ๋‹ค. ์ง€ํ™ฉ์˜ ๋ณด์‹์šฉ๋„๋กœ ์œก๋ฌ˜ ์žฌ๋ฐฐ๊ฐ€ ์ ์ •ํ•œ์ง€

ํ‰๊ฐ€ํ•œ ์—ฐ๊ตฌ ๊ฒฐ๊ณผ์—์„œ๋Š” 30 ์ผ์—๋Š” ๊ฐœํ™”๊ฐ€ ๋˜์ง€ ์•Š์•˜๋‹ค๊ณ  ๋ณด

๊ณ ํ•˜์˜€๋Š”๋ฐ (Lee et al., 2019), ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” 30 ์ผ์— ๊ฐœํ™”

๊ฐ€ ์ผ์–ด๋‚ฌ๋‹ค. ์ด๋Ÿฌํ•œ ๊ฒฐ๊ณผ๊ฐ€ ๋‚˜ํƒ€๋‚œ ์›์ธ์œผ๋กœ๋Š” ์œก๋ฌ˜ ์‹œ๊ธฐ๊ฐ€

๋นจ๋ผ ์ €์˜จ์— ๋Œ€ํ•œ ๋…ธ์ถœ ๊ฐ€๋Šฅ์„ฑ์ด ์ข€ ๋” ๋†’์•˜๊ธฐ ๋•Œ๋ฌธ์œผ๋กœ ์ƒ๊ฐ

๋œ๋‹ค. ์ง€ํ™ฉ์—์„œ๋Š” ์ €์˜จ์ด ๊ฐœํ™”์— ์˜ํ–ฅ์„ ๋ฏธ์น  ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ๋Š”

๊ฒƒ์œผ๋กœ ๋ณด๊ณ ๋œ ๋ฐ” ์žˆ๋Š”๋ฐ (Lee et al., 2019), ๊ธฐ์กด์˜ ์—ฐ๊ตฌ๋Š”

4 ์›” ํ•˜์ˆœ์— ์œก๋ฌ˜๋ฅผ ์ง„ํ–‰ํ•˜์˜€๊ณ , ๋ณธ ์—ฐ๊ตฌ๋Š” 4 ์›” ์ƒ์ˆœ์— ์œก๋ฌ˜

๋ฅผ ์ง„ํ–‰ํ•˜์˜€๊ธฐ ๋•Œ๋ฌธ์— ์‹œ๊ธฐ์ƒ ์ €์˜จ์— ๋…ธ์ถœ ๋  ๊ฐ€๋Šฅ์„ฑ์ด ์ข€ ๋”

๋†’์•˜์„ ๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋œ๋‹ค.

์ ์ • ์œก๋ฌ˜ ๊ธฐ๊ฐ„์„ ๊ตฌ๋ช…ํ•˜๊ธฐ ์œ„ํ•œ ๋ณธ ์‹คํ—˜ ๊ฒฐ๊ณผ๋ฅผ ์ข…ํ•ฉํ•ด ๋ณด

๋ฉด, ์žŽ์˜ ๊ฒฝ์šฐ 20 ์ผ์—์„œ 30 ์ผ ์‚ฌ์ด์— ๊ธ‰๊ฒฉํžˆ ์ฆ๊ฐ€๋˜๋‹ค 40

์ผ๋ถ€ํ„ฐ ๋…ธํ™”๊ฐ€ ์ง„ํ–‰๋˜๋Š” ๊ฒƒ์œผ๋กœ ํŒ๋‹จ๋˜๋ฉฐ, ๋ฟŒ๋ฆฌ์˜ ๊ฒฝ์šฐ 40 ์ผ

์ดํ›„ ํ”Œ๋Ÿฌ๊ทธ ์•ˆ์—์„œ ์ง€ํ•˜๊ฒฝ์˜ ๋น„๋Œ€๊ฐ€ ์ผ์–ด๋‚˜ ๋…ธํ™”๊ฐ€ ์ง„ํ–‰๋˜๋Š”

๊ฒƒ์œผ๋กœ ํŒ๋‹จ๋œ๋‹ค. ํŠนํžˆ, ๋ฒผ์˜ ์œก๋ฌ˜ ์‹œ ํŒŒ์ข… ํ›„ 10 ์ผ์—์„œ 15

์ผ ์‚ฌ์ด์— ์ดˆ์žฅ์˜ ๊ธธ์ด๊ฐ€ ๊ธ‰๊ฒฉํžˆ ๋Š˜์–ด๋‚˜๋Š”๋ฐ, ์ด ์‹œ๊ธฐ๊นŒ์ง€๊ฐ€

์ƒ์‚ฐ๋Ÿ‰์ด ๋งŽ์•˜๊ณ  ์œก๋ฌ˜ ์ผ์ˆ˜๊ฐ€ ๋Š˜์–ด๋‚ ์ˆ˜๋ก ์ƒ์‚ฐ๋Ÿ‰์ด ์ค„์–ด๋“ค์—ˆ

๋‹ค๋Š” ๊ฒฐ๊ณผ๊ฐ€ ๋ณด๊ณ ๋œ ๋ฐ” ์žˆ๋‹ค (Sung et al., 2000).

์ง€ํ™ฉ ๋ณด์‹์„ ์œ„ํ•œ ์œก๋ฌ˜ ๊ธฐ๊ฐ„๊ณผ ์ƒ์‚ฐ๋Ÿ‰์— ๋Œ€ํ•œ ์—ฐ๊ตฌ์—์„œ 45

์ผ๊นŒ์ง€๋Š” ์ƒ์‚ฐ๋Ÿ‰์ด ๋†’์•˜์œผ๋‚˜ ๋ฟŒ๋ฆฌ ๊ตต๊ธฐ๋Š” 45 ์ผ ์œก๋ฌ˜๊ฐ€ 30

์ผ์— ๋น„ํ•ด ์ž‘์•˜๋‹ค๊ณ  ๋ณด๊ณ  ๋œ ๋ฐ” ์žˆ๋Š”๋ฐ (Lee et al., 2019),

์œก๋ฌ˜ 45 ์ผ์€ ์ด๋ฏธ ์ง€ํ•˜๊ฒฝ์˜ ๋น„๋Œ€๊ฐ€ ์ผ์–ด๋‚œ ์‹œ๊ธฐ์˜€๋‹ค. ๋”ฐ๋ผ์„œ

์ง€ํ™ฉ ์œก๋ฌ˜์˜ ์ ์ • ๊ธฐ๊ฐ„์€ 30 ์ผ์ด๋ฉฐ, ์ตœ๋Œ€ ๊ธฐ๊ฐ„์€ ์žŽ์˜ ๋…ธํ™”

์™€ ์ง€ํ•˜๊ฒฝ์˜ ๋น„๋Œ€๊ฐ€ ์‹œ์ž‘๋˜๋Š” 40 ์ผ์„ ๋„˜์ง€ ์•Š๋Š” ๊ฒƒ์ด ์ข‹์„

๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋œ๋‹ค.

๋ณธ ์‹คํ—˜์€ ๊ธฐ์กด์˜ ์ง€ํ™ฉ ์œก๋ฌ˜ ์—ฐ๊ตฌ (Lee et al., 2019)์—์„œ

์ˆ˜ํ–‰ํ•˜์ง€ ์•Š์•˜๋˜ ์œก๋ฌ˜์‹œ๊ธฐ์— ๋”ฐ๋ฅธ ๋ฌ˜์†Œ์งˆ ๋ณ€ํ™”์™€ ์œก๋ฌ˜ ์‹œ ๋…ธ

ํ™”๊ฐ€ ์‹œ์ž‘๋˜๋Š” ์‹œ๊ธฐ๋ฅผ ์ •ํ™•ํžˆ ๋ฐํž˜์œผ๋กœ์จ ๋ฏธ๋ฃจ์–ด ์ง์ž‘ํ•˜๋˜ ์ง€

ํ™ฉ ์œก๋ฌ˜์‹œ๊ธฐ๋ฅผ ๋ช…ํ™•ํžˆ ๊ตฌ๋ช…ํ•˜์˜€๋‹ค๊ณ  ์ƒ๊ฐ๋œ๋‹ค.

๋ณธ ์—ฐ๊ตฌ๋ฅผ ์ข…ํ•ฉํ•ด ๋ณผ ๋•Œ, ์ง€ํ™ฉ์˜ ์ถœ์•„ ์˜จ๋„๋Š” 20 - 40โ„ƒ ๊ตฌ

๊ฐ„์—์„œ ๊ฐ€๋Šฅํ•˜๋‚˜, ์ ์ • ์ถœ์•„ ์˜จ๋„๋Š” 30 - 35โ„ƒ ๊ตฌ๊ฐ„์ด๋ฉฐ, ์ถœ์•„

๊ฐ€ ๊ฐ€์žฅ ๋นจ๋ฆฌ ์™„๋ฃŒ๋˜๋Š” ์˜จ๋„๋Š” 35โ„ƒ์ด๋‹ค. ๋˜ํ•œ, ์ €์Šต ์ƒํƒœ (ํ•จ

์ˆ˜์œจ 98%)์—์„œ๋Š” ์ถœ์•„๊ฐ€ ๋˜์ง€ ์•Š๊ณ  ๊ณ ์Šต ์ƒํƒœ (ํ•จ์ˆ˜์œจ

336%)์—์„œ๋Š” ๋ถ€ํŒจ๊ฐ€ ์ผ์–ด๋‚  ์ˆ˜ ์žˆ์œผ๋ฏ€๋กœ, ์ค‘์Šต ์ •๋„ (ํ•จ์ˆ˜์œจ

233%)์˜ ํ† ์–‘ ์ˆ˜๋ถ„ ํ•จ๋Ÿ‰์ด ์ ์ •ํ•œ ๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋œ๋‹ค. ํŠนํžˆ, ์ง€

ํ•˜๊ฒฝ์€ ๊ณ ์˜จยท๊ฑด์กฐ ์กฐ๊ฑด์—์„œ๋Š” ํ”ผํ•ด๋ฅผ ์ž…์–ด ์ถœ์•„๊ฐ€ ๋ถˆ๋Ÿ‰ํ•˜๊ณ ,

๊ณ ์˜จยท๊ณ ์Šต ์กฐ๊ฑด์—์„œ๋Š” ์ง€ํ•˜๊ฒฝ์ด ๋ถ€ํŒจํ•˜๋ฏ€๋กœ ์œก๋ฌ˜ ์‹œ์— ์ด๋Ÿฌํ•œ

์กฐ๊ฑด์ด ๋˜์ง€ ์•Š๋„๋ก ์œ ์˜ํ•ด์•ผ ํ•  ๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋œ๋‹ค.

์ ์ • ์œก๋ฌ˜ ์‹œ๊ธฐ๋Š” ์žŽ์˜ ๋…ธํ™” ์‹œ๊ธฐ์™€ ์ง€ํ•˜๊ฒฝ ๋น„๋Œ€๊ฐ€ ์ผ์–ด๋‚˜

๋Š” ์‹œ๊ธฐ๋ฅผ ๊ณ ๋ คํ•˜์—ฌ 30 - 40 ์ผ์ด ์ ์ ˆํ•  ๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋œ๋‹ค. ๋ณธ

์—ฐ๊ตฌ ๊ฒฐ๊ณผ๋Š” ์ง€ํ™ฉ ์ง€ํ•˜๊ฒฝ์˜ ์ถœ์•„ ์กฐ๊ฑด ๋ฐ ์œก๋ฌ˜ ๊ธฐ๊ฐ„ ํ™•๋ฆฝ์—

์ค‘์š”ํ•œ ๊ธฐ์ดˆ์ž๋ฃŒ๊ฐ€ ๋  ๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋œ๋‹ค.

๊ฐ์‚ฌ์˜ ๊ธ€

๋ณธ ์—ฐ๊ตฌ๋Š” ๋†์ดŒ์ง„ํฅ์ฒญ ์ง€ํ™ฉ ์‹ ํ’ˆ์ข… ์ด์šฉ์ด‰์ง„ ์‚ฌ์—…(๊ณผ์ œ๋ฒˆํ˜ธ

: PJ00692209)๊ณผ 2019๋…„๋„ ๋†์ดŒ์ง„ํฅ์ฒญ ๊ตญ๋ฆฝ์›์˜ˆํŠน์ž‘๊ณผํ•™์› ์ „

๋ฌธ์—ฐ๊ตฌ์› ๊ณผ์ • ์ง€์› ์‚ฌ์—…์— ์˜ํ•ด ์ด๋ฃจ์–ด์ง„ ๊ฒฐ๊ณผ๋กœ ์ด์— ๊ฐ์‚ฌ

๋“œ๋ฆฝ๋‹ˆ๋‹ค.

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