Effects of Winter and Summer Pruning on Yield and Fruit Quality in Southern Highbush Blueberry ‘Misty’

Dong Il Kang; Mi Hee Shin; Hong Lim Kim; Jin Gook Kim

doi:10.12791/KSBEC.2016.25.4.328

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2016 Vol.25, Issue 4 Preview Page Next Page

Effects of Winter and Summer Pruning on Yield and Fruit Quality in Southern Highbush Blueberry ‘Misty’ 동계 및 하계전정이 남부하이부쉬 블루베리 ‘Misty’의 수량과 과실품질에 미치는 영향

30 November 2016. pp. 328-333

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Abstract

This study was conducted to determine the influences of winter and summer pruning on the yield and fruit quality in southern highbush blueberry (Vaccinium corymbosum L. hybrid) cv. ‘Misty’. The 5-year-old southern highbush blueberry ‘Misty’ were used. The pruning treatments were as follows: 1) control (no pruning), 2) winter pruning (30% removed), and 3) winter pruning + summer pruning (Aug. 5). Fruits harvested for six times over the harvest season and measured yields, unmarketable fruit (defected and immature fruit), changes of each fruit weight and analyzed fruit characteristics, such as total sugar, total anthocyanin contents and total phenolic contents. The differential pruning treatments were not significant for fruit yields of southern highbush ‘Misty’. No pruning treatment showed regular yields after the 2nd harvest, but the other pruning treatments were appeared that fruit yields were more concentrated on the 2nd~4th harvest time. Total sugar and total phenolic contents were observed the highest at the 4th time among the harvest period. No pruning treatment showed the highest unmarketable fruit yield at 57%, however, that of winter pruning and winter + summer pruning treatment occurred at 26%, 31%, respectively.

Keywords

anthocyanin

berry weight

fruit maturation

marketability

total sugar

본 연구는 국내 시설재배에 이용되는 남부하이부쉬 블 루베리의 전정방법 도출을 위해 동계 및 하계전정이 수 량 및 과실 품질에 미치는 영향을 살펴보고자 실시하였 다. 전정처리는 무전정, 동계전정(2월 4일), 동계전정+하 계전정(8월 5일)으로 나누어 처리하였다. 과실은 총 6회 에 걸쳐 수확하였고, 수확시의 수량, 수확시기별 과실의 과중 변화와 과실 품질을 조사하였으며, 비상품 과실의 발생 비율을 조사하였다. 5년생 ‘Misty’에 있어 전정 처 리에 의한 과실 수량의 차이에는 유의한 차이가 관찰되 지 않았다. 전정 처리의 수확시기별 수확량에 있어 무전 정 처리의 경우 2번째 수확기부터 마지막 수확기까지 수확량이 일정한 반면, 전정처리 나무의 경우 수확 전반 기에 보다 많은 수확량을 보여 전정으로 인해 큰 과실 을 보다 많이 수확할 수 있는 것으로 조사되었다. 과실 의 총 당, 총 안토시아닌, 총 페놀 함량의 변화는 처리 간 뚜렷한 경향을 보이지 않았다. 비상품과 발생량의 경 우 무전정 처리구에서 전체 수확량의 57%인데 반해 동 계전정 처리구와 하계전정을 겸용한 처리구의 경우 각각 26%, 31%로 낮게 조사되었다.

키워드

과실성숙

과중

상품성

안토시아닌

총당

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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 : 25
No :4
Pages :328-333
Received Date : 2016-10-18
Revised Date : 2016-12-01
Accepted Date : 2016-12-02
DOI :https://doi.org/10.12791/KSBEC.2016.25.4.328

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

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Literature Cited