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2024 Vol.42, Issue 3 Preview Page

Research Article

Paprika Fruit Growth Analysis According to the Fruit Set Time

착과 시기에 따른 파프리카 과실의 생장 분석

Hyo Jun Bae1†
,
Jeong Hyun Lee2†
,
Jong Hyang Bae13
,
Baul Ko4*
배 효준1†
,
이 정현2†
,
배 종향13
,
고 바울4*
1Department of Horticulture Industry, Wonkwang University, Iksan 54538, Korea
2Department of Horticulture, Chonnam National University, Gwangju 61186, Korea
3Institute of Life Science and Natural Resources, Wonkwang University, Iksan 54538, Korea
4Urban Agriculture Division, National Institute of Horticultural and Herbal Science, RDA, Wanju 55365, Korea
1원광대학교 원예산업학과
2전남대학교 원예학과 채소과
3원광대학교 생명자원과학연구소
4국립원예특작과학원 도시농업과
*Corresponding Author
†These authors contributed equally to this work.
30 June 2024. pp. 377-387
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Abstract

This study was conducted to understand the relationship between the growth characteristics of fruits set at different times and under different environmental conditions. This knowledge will serve as fundamental data for predicting harvest times for each period. Fruit-setting intervals were established at five or two weeks based on flower buds just before blooming. From the day of flowering to the day of harvest of each period, weekly measurements of fruit growth were taken. With a nonlinear regression analysis, the maximum growth amount, the relative growth rate, and the time to reach the maximum growth rate for both fruit length and width were estimated. It was observed that the number of days required to harvest the fruit, depending on the fruit-setting time, decreased as the average daily temperature increased. The relative growth rate and the maximum growth amount of both the fruit length and width at each fruit-setting time tended to increase with a rise in the average daily temperature. However, no significant difference was noted in the temperature range of 20–22°C. The ‘Atalante’ species exhibited a higher relative growth rate at all times, with the exception of the May and June 2016 investigation periods. Taking into account the environmental conditions and the growth amount of the fruit at each fruit-setting time, it appears that both the maximum growth amount and the relative growth rate of the fruit are influenced by the average daily temperature. Through this understanding, it is posited that the harvest time can be predicted based on the fruit-setting time.

Keywords
fruit length
fruit width
growth prediction
regression analysis

본 연구는 착과 시기별 과실의 생육특성과 환경조건 간의 관계성을 분석하여 기간별 수확시기 예측을 위한 기초자료로 활용하고자 수행되었다. 착과 시기는 개화 직전 상태의 꽃봉오리를 기준으로 5주 또는 2주 간격으로 설정하였으며, 각 시기별 개화일부터 수확일까지 일주일 간격으로 과실의 생장량을 측정하여 비선형 회귀분석으로 과장 및 과폭의 최대 생장량, 상대생장률, 최대생장률에 도달하는 시점을 추정하였다. 착과 시기에 따른 과실의 수확일수는 일평균온도가 증가할수록 감소하였다. 착과 시기별 과장 및 과폭의 상대생장률, 최대생장량은 일평균온도가 높을수록 증가하는 경향을 나타내었으나, 20–22°C 구간에서는 유의한 차이를 나타내지 않았다. ‘Atalante’ 품종은 2016년 5, 6월 조사시기를 제외한 모든 시기의 상대생장률이 높았다. 착과 시기별 환경조건과 과실의 생육량을 고려하였을 때, 과실의 최대생육량과 상대생장률은 모두 일평균온도에 영향을 받는 것으로 생각되며, 이를 통하여 착과 시기에 따라 수확시기를 예측할 수 있을 것으로 생각된다.

키워드
과장
과폭
생장예측
회귀분석
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Information
  • Publisher :KOREAN SOCIETY FOR HORTICULTURAL SCIENCE
  • Publisher(Ko) :한국원예학회
  • Journal Title :Horticultural Science and Technology
  • Journal Title(Ko) :원예과학기술지
  • Volume : 42
  • No :3
  • Pages :377-387
  • Received Date : 2023-12-29
  • Revised Date : 2024-01-27
  • Accepted Date : 2024-02-14
  • DOI :https://doi.org/10.7235/HORT.20240032
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