The Handbook of Cucurbits: Growth, Cultural Practices, and Physiology contains information on cultural practices, nutrition, and physiological processes of cucurbits under both normal and stressful conditions. It presents the history and importance of cucurbit crop production as well as exhaustive information on growth responses of cucurbits to var

Handbook of Cucurbits : Growth, Cultural Practices, and Physiology

Carbohydrate Metabolism of Cucurbits

This research was carried out to find the proper number of stem training and position of fruit setting that can be stably produced for the cultivation in small and medium types of watermelon during winter. The treatments for the number of stem training were 2-, 3-, 4-stems, respectively. Growth characteristics (plant height, stem diameter, no. of node, etc.) by number of stem training were higher in 2-stem than in 3-4-stem. However, Fruit characteristics such as weight, length, width were high in the 4-stem. There is no significant difference between the soluble solids and fruit setting rate depending on the stem training. The position of fruit setting were three points: 2nd, 3rd, 4th female flower positions. The fruit setting is one fruit per plant. The average fruit setting nodes of 2, 3 and 4 female flowers were 11.5, 15.8 and 23.1 nodes, respectively. The 4 female flower was 0.8 kg heavier than 2 female flower because of its increased weight as position of fruit setting was higher. However, the soluble solids decreased as the position of fruit setting increased, with the second female flower being 1.3°Bx higher than the 4 female flower. The Fruit setting rate was no significant difference. Considering the growth and fruit characteristics, it is believed that the small and medium-sized watermelon in winter will have a high quality production of watermelon when the stem training is 3-stem and the position of fruit setting is 3 female flower. However, it is thought that additional studies are needed to stabilize the income of watermelon-growing farms, such as planting distance and adhesion of small and medium-sized varieties. Additional key words : cultivation without heating, forcing culture, plastic greenhouse, pistillate Protected Horticulture and Plant Factory, Vol. 29, No. 2:189-195, April (2020) DOI https://doi.org/10.12791/KSBEC.2020.29.2.189 pISSN 2288-0992 eISSN 2288-100X *Corresponding author: chlruddl@korea.kr Received September 23, 2019; Revised January 13, 2020; Accepted January 29, 2020 김소희 · 최경이 · 최수현 · 임미영 · 정호정 190 Protected Horticulture and Plant Factory, Vol. 29, No. 2, 2020 가 활발하게 이루어지고 있다. 그러나, 기존의 중·소과종 수박 에 관한 연구는 수박의 주 출하시기인 3월 중순에서 4월 초순 에 정식하여 6월 초·중순에 수확하는 고온기 위주의 재배(Lim 등, 2016; Jeong 등, 2017, 2018; Kim 등, 2018)가 대부분이 며, 12-1월에 정식하여 3-4월에 수확하는 중∙소과종 수박 시 설재배에 관한 연구는 많지 않은 실정이다. 따라서 본 연구는 중∙소과종 수박을 안정적으로 생산하기 위 한 정지방법을 확립하여 수박 재배 농가 소득 향상에 도움이 되 고자, 겨울철 시설재배 시 줄기유인 수와 착과 위치를 달리하 여 중∙소과종 수박의 생육 및 과실 특성의 효과를 조사하였다.

Seong KiCheol

Papers

Characteristics of translocation and distribution of photo-assimilates in leaves at different nodes in watermelon.