Comparison with Growth Characteristics of Korean Melon (Cucumis melo var. makuwa) Grafted Seedlings in a Container Type Farm with LED Light and a Greenhouse under High Temperature Conditions

Wook Jin Song; Hee Woong Goo; Gyu Won Lee; Hyun Mun Kim; Kyoung Sub Park

doi:10.12791/KSBEC.2024.33.1.022

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2024 Vol.33, Issue 1 Preview Page Next Page

Original Articles

Comparison with Growth Characteristics of Korean Melon (Cucumis melo var. makuwa) Grafted Seedlings in a Container Type Farm with LED Light and a Greenhouse under High Temperature Conditions 인공광 기반 컨테이너 육묘 시스템과 고온 조건의 플라스틱 온실 육묘에서 참외 접목묘 생육 특성 비교

31 January 2024. pp. 22-29

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Abstract

This study was carried out to analyze the growth of grafted seedlings produced in a container-type farm system and a greenhouse to stably produce high-quality seedlings. For 14 days after graft-taking, the characteristics of korean melon grafted seedlings were compared by container farm and greenhouse. The container seedling system maintained a stable day/night temperature (25/20°C), relative humidity (70%), and light environment (PPFD 200µmol·m^-2·s^-1, photoperiod (16/8h). The difference between day and night temperature (DIF) was relatively large, with a mean temperature of 28.1/15.4°C in the high-temperature greenhouse. Plant height of the korean melon seedling was longer in the greenhouse than in the closed seedling system, and the average SPAD value was 30.5 and 41.1 in the greenhouse and closed seedling system, respectively. To calculate the compactness of the graft seedlings, the shoot dry weight was divided by the plant height, and the value was 44.9±2.64 mg/cm and 24.4±1.56 mg/cm in the closed seedling system and the greenhouse treatment, respectively, 7 days after graft-taking. To produce high-quality seedlings during high-temperature or low-photo periods, it will be necessary to analyze the key factors that affect growth characteristics and transplanting growth and to verify the effects of the closed seedling system based on post-transplanting growth and yield.

Keywords

grafted seedling

Korean melon

light emitting diode

seedling compactness

container farm

본 연구의 목적은 컨테이너 육묘 시스템을 활용한 참외 접목묘의 안정적인 생산 가능성을 평가하는 것이었다. 이를 위해, 컨테이너 육묘 시스템과 고온 조건의 플라스틱 온실에서 육묘한 접수와 대목, 접목묘의 생육을 비교 분석하였다. 접목활착 후 육묘 환경에 따른 참외 접목묘의 생육과 묘소질을 0일, 4일, 7일, 11일, 14일째에 비교하였다. 컨테이너 육묘 시스템에서는 주야간 온도를 25/20°C, 상대습도를 70%로 설정하여 재배기간 동안 안정적으로 유지하였으며, 플라스틱 온실 내의 주야간 평균온도는 28.1/15.4°C로 주야간 온도차(DIF)가 더 크게 나타났다. 조사기간 동안 참외 접목묘의 초장은 플라스틱 온실 육묘 처리구에서 컨테이너 육묘 시스템 처리구보다 더 길게 나타났다. 참외 접목묘 조직의 충실도는 지상부 건물중을 초장으로 나누어 계산하였다. 육묘장에서 접목한 묘는 접목 후 7－10일 경과하여 활착이 완료되고 초장이 10cm 내외일 때 출하하여 정식에 이용되게 된다. 본 연구에서 접목활착 후 7일째에 컨테이너 육묘 시스템에서 재배된 묘의 충실도는 44.9±2.64mg/cm으로 나타났으며, 플라스틱 온실 육묘 처리구에서는 24.4±1.56mg/cm로 나타났다. SPAD 평균은 플라스틱 온실 육묘에서 30.5, 컨테이너 육묘 시스템에서 41.1로 측정되었다. 이러한 결과는 컨테이너 육묘 시스템의 활용이 고온기 또는 저일조 시기와 같은 육묘 환경에서도 고품질 모종을 안정적으로 생산할 수 있는 것을 확인하였고, 인공광을 이용한 육묘 시스템의 활용 범위가 앞으로 더 확대될 것으로 기대된다.

키워드

접목묘

참외

발광다이오드등

묘의 충실도

컨테이너 팜

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Information

Publisher :The Korean Society for Bio-Environment Control
Publisher(Ko) :(사)한국생물환경조절학회
Journal Title :Journal of Bio-Environment Control
Journal Title(Ko) :생물환경조절학회지
Volume : 33
No :1
Pages :22-29
Received Date : 2023-11-22
Revised Date : 2024-01-15
Accepted Date : 2024-01-17
DOI :https://doi.org/10.12791/KSBEC.2024.33.1.022

Journal of Bio-Environment Control ISSN:1229-4675(Print) 2765-3641(Online) 생물환경조절학회지

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