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Effects of Apex Removal on the Growth and Yield of Artichoke by Planting Times

정식시기별 생장점 제거가 아티초크(Cynara scolymus L.)의 생육 및 수량에 미치는 영향

Ki-Cheol Seong*
,
Chun Hwan Kim1
,
Danial Son1
,
Chan Gyu Lim1
,
Sung Jong Cheon1
성 기철*
,
김 천환1
,
손 다니엘1
,
임 찬규1
,
전 승종1
1Agricultural Research Center for Climate Change, NIHHS, RDA, Jeju 690-150, Korea
1국립원예특작과학원 온난화대응농업연구센터
*Corresponding Author : vcskcrda@korea.kr
31 January 2014. pp. 56-59
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Abstract

Apex removal is a common practice in artichoke cultivation to harvest heads of lateral shoots. This experiment was carried out to investigate the effect of apex removal by different planting times on the growth and yield of Artichoke (Cynara scolymus L.) in open field. Two treatments (apex removal and no apex removal) at three different planting times (1st: Sep. 27, 2011, 2nd: March 29, 2012, and 3rd: Sep. 21, 2012) were tested using ‘Green Globe’ variety. There was no difference in the head characteristics and the number of harvested head between the treatments. The head weight was heavier in no apex removal of 242.7 g than the apex removal of 170.8 g. The yield also increased in no apex removal by 25% (1,249 kg/10a) compared to the apex removal of 997 kg/10a at the first planting time. At the second planting time, there was no difference in the head weights between the treatments. But the number of the harvested head was higher in no apex removal with 10.8 than 8.2 of the apex removal. The yield of no apex removal was 2,660 kg/10a, which was higher than 1,848 kg/10a of apex removal. At the third planting time, the head weight increased in no apex removal with 253.5 g compared to the apex removal with 218.7 g. The yield of no apex removal was 1,405 kg/10a, which was higher than 1,148 kg/10a of the apex removal. All the tests at 3 different planting times showed that the artichoke yields were higher in no apex removal than in apex removal. Therefore, it is desirable to cultivate artichoke without removing the apex for the higher yield and labor saving in open-field cultivation in Jeju island.

Keywords
flower bud
lateral shoot
open culture
transplanting

본 시험은 노지 재배시 아티초크의 정화뢰(생장점) 제 거 처리가 생육 및 수량 특성에 미치는 영향을 구명코 자 ‘Green Globe’ 품종을 사용하여 정식 시기를 1차 (2011년 9월 27일), 2차(2012년 3월 29일), 3차(2012년 9월 21일)로 달리하여 정화뢰 제거 유무처리구로 나눠 수행하였다. 1차 정식에서 화뢰특성과 수확화뢰수는 처 리간 차이가 없었다. 정화뢰 무제거 처리구에서 화뢰중 이 242.7g으로 제거 처리구 170.8g에 비하여 무거웠다. 수량에서도 정화뢰 무제거 처리구에서 1,249kg/10a으로 정화뢰 게거 처리구 997kg/10a에 비하여 25% 증가되었 다. 2차 정식에서는 정화뢰 무제거 처리구와 제거 처리 구의 화뢰중은 처리구간 차이가 없었으나 화뢰수에서 정 화뢰 무제거 처리구에서 10.8개로 정화뢰 제거 처리구 8.2개에 비하여 증가하였다. 수량은 정화뢰 무제거 처리 구에서 2,660kg/10a로 제거 처리구 1,848kg에 비하여 44%가 증가되었다. 3차 정식에서 정화뢰 무제거 처리구 에서 화뢰중이 253.5g으로 제거 처리구 218.7g보다 증가 하였다. 수량도 정화뢰 무제거 처리구에서 1,405kg/10a 로 제거 처리구 1,148kg에 비하여 22%가 증가되었다. 이상의 결과 정식 시기를 달리했던 3번의 시험에서 정 화뢰 제거 처리구에 비하여 무제거 처리구에서 수량이 증가하였다. 따라서 제주에서 아티초크 노지재배시 정화 뢰를 제거하지 않고 재배하는 것이 재배 노력 절감은 물론 증수에도 효과가 있는 것으로 생각되었다.

키워드
노지재배
이식
측지
화뢰
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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 : 23
  • No :1
  • Pages :56-59
  • Received Date : 2014-02-12
  • Revised Date : 2014-03-11
  • Accepted Date : 2014-03-13
  • DOI :https://doi.org/10.12791/KSBEC.2014.23.1.056
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