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2017 Vol.26, Issue 2 Preview Page
Growth and Runner Production of ‘Maehyang’ Strawberry as Affected by Application Method and Concentration of Cytokinin

딸기 ‘매향’의 사이토키닌 처리방법과 농도에 따른 생육과 런너 생산

Young Jin Kim1
,
Hye Min Kim1
,
Hyun Min Kim1
,
Seung Jae Hwang123*
김 영진1
,
김 혜민1
,
김 현민1
,
황 승재123*
1Division of Applied Life Science, Graduate School of Gyeongsang National University, Jinju 52828, Korea
2Department of Horticulture, College of Agriculture & Life Sciences, Gyeongsang National University, Jinju 52828, Korea
3Institute of Agriculture & Life Sciences, Gyeongsang National University, Jinju 52828, Korea
1경상대학교 대학원 응용생명과학부
2경상대학교 농업생명과학대학 원예학과
3경상대학교 농업생명과학연구원
*Corresponding author: hsj@gnu.ac.kr
30 April 2017. pp. 72-77
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Abstract

This study was conducted to examine the effect by application method and concentration of plant growth regulator (PGR) on the growth and runner production of strawberry (Fragaria × ananassa Duch. cv. Maehyang) in a velno-type greenhouse. The seedlings of strawberry were transplanted in pot (64 × 27 × 18 cm) filled with commercial mixed medium (Tosilee) on February 22nd, 2017. The 6-benzylaminopurine (6-BAP) was applied with foliar spray or drench, respectively as 900, 1,200 or 1,500 mg·L-1 (50 mL per plant) at 3 weeks after transplanting. Nutrient solution was sufficiently supplied by the drip irrigation as EC 0.65 dS·m-1 for rooting during 7 days. After rooting, the 450 mL nutrient solution supplied per pot twice a day (10 min). Plant height and crown diameter of ‘Maehyang’ mother plant appeared no significantly difference. The other growth characteristics, such as root length, number of primary roots, leaf length, leaf width, leaf area and fresh and dry weights of the shoot or root, were significantly the greatest in the control. And, the SPAD value of strawberry was the highest as 44.2 in the drench with 900 mg·L-1. The foiler spray was more effective in runner production than drench, and the number of runners appeared high values at the 900 and 1,500 mg·L-1. Whereas, the number of strawberry plantlets was effective in the drench. The results indicate that both growth and the number of runners of strawberry plant were the best achieved by foliar spray application at the 900 mg·L-1.

Keywords
crown diameter
cytokinin
drench
drip irrigation
foliar spray

본 연구는 시설딸기 ‘매향’의 생육과 런너 생산을 위한 생장조절제의 처리방법과 농도의 효과를 조사하기 위해 수행되었다. 딸기 묘를 2016년 2월 22일에 상업용 혼합 상토(토실이)를 이용하여 딸기 재배 포트(64×27×18cm)에 정식하였다. 생장조절제인 6-benzylaminopurine을 이용하 여, 정식 후 3주째에 농도를 900, 1,200, 1,500mg·L-1로 제조하여 식물체당 50mL씩 각각 엽면살포와 배지관주 하였다. 양액의 공급은 EC 수준을 0.65dS·m-1로 맞추어 뿌리 활착을 위해 충분히 공급하였다. 뿌리 활착 후에는 배양액의 1회 공급량을 딸기 재배 포트 당 450mL로 하 루 2회(10분)씩 공급하였다. ‘매향’ 딸기 모주의 초장과 크라운 직경은 유의적인 차이를 나타내지 않았다. 근장, 1차 근수, 엽장, 엽폭, 엽면적, 지상부와 지하부의 생체중 과 건물중과 같은 다른 생육 특성은 생장조절제를 처리 하지 않은 대조구에서 유의적으로 높은 값을 나타냈다. 그리고, 딸기의 SPAD 값은 900mg·L-1의 배지관주에서 44.2로 가장 높은 값을 나타냈다. 엽면살포 처리는 배지 관주 처리보다 런너 생산에 효과적이었으며, 900과 1,500mg·L-1 처리에서 런너 수가 가장 많았다. 반면에, 자묘 수는 엽면살포보다 배지관주에서 효과적이었다. 결 과적으로, 시설딸기 ‘매향’의 생육과 런너 수는 900mg·L-1의 농도로 엽면살포한 처리에서 가장 효과적인 것으로 나타났다.

키워드
배지관주
사이토키닌
엽면살포
점적관수
크라운 직경
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Information
  • Publisher :The Korean Society for Bio-Environment Control
  • Publisher(Ko) :(사)한국생물환경조절학회
  • Journal Title :Protected Horticulture and Plant Factory
  • Journal Title(Ko) :시설원예ㆍ식물공장
  • Volume : 26
  • No :2
  • Pages :72-77
  • Received Date : 2017-01-05
  • Revised Date : 2017-04-17
  • Accepted Date : 2017-04-24
  • DOI :https://doi.org/10.12791/KSBEC.2017.26.2.72
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