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‘흑구슬’ 포도의 액아 형성 및 괴사발생Axillary Bud Development and Necrosis for ‘Heukgoosul’ Grapevine

Authors
Kwon, Yong HeeKim, Eun JooPark, Seo JoonLee, Han ChanMa, Kyeong BokPark, Hee-Seung
Issue Date
2011
Publisher
(사) 한국생물환경조절학회
Keywords
눈괴사; 눈 크기; 주아괴사; 부아괴사; 화기; accessory bud; bud necrosis; bud size; inflorescence; main bud
Citation
시설원예‧식물공장, v.20, no.4, pp 382 - 386
Pages
5
Journal Title
시설원예‧식물공장
Volume
20
Number
4
Start Page
382
End Page
386
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/27191
ISSN
2288-0992
2288-100X
Abstract
‘흑구슬’ 포도에서 발생되는 빈가지의 발생 원인을구명하고 눈의 기본 특성 및 괴사 유형을 구분하여괴사 발생에 미치는 영향을 구명하고자 하였다. 1번마디부터 4번 마디에서는 결과모지에 가까울수록 눈의크기는 작았으나 4번 마디 상부에 위치한 눈에서는 차이가 없었다. 1번 마디의 눈괴사율이 32.0%로 가장높았으며, 4~10번 마디의 눈은 84.0~96.0%가 정상눈이었다. 시기별 눈의 크기는 7월이 6.40mm로 가장컸으며 8월에서 10월까지는 차이를 보이지 않았다. 눈괴사와 주아괴사는 10월에 가장 많았으나 부아괴사는7월부터 발생하여 이후에는 차이가 없었다. 가지 세력과 액아의 괴사발생간의 관계를 알아보기 위하여 상관분석을 실시한 결과, 가지 굵기 및 마디 길이는 괴사발생과 상관관계가 나타내지 않았으나 눈의 크기와 괴사 발생간에는 음의 상관관계를 나타내었으며 부아괴사와 가장 밀접하였다. 따라서 ‘흑구슬’ 포도에서 눈의괴사발생이 적고 충실함에도 불구하고 꽃송이 출현이적은 것은 1번 눈의 괴사가 원인이므로 단초전정시 3마디를 남기고 전정을 할 경우 수량확보에 도움이 될것으로 생각된다.
This study aims to identify the cause for low appearance of flowers in ‘Heukgoosul’ grapevines,and determine basic characteristics of the axillary buds and types of necrosis in order to find out their influence on necrosis. As for 1st to 4th node, the closer buds were located to cane, the smaller the size of buds became. However, there was no difference in the size of an axillary bud in the upper part of the shoot above the 4th node. The bud necrosis occurrence in the 1st node was the highest with 32% while buds in 4th to 10th node were normal with 84~96%. The size of buds in July was the largest with 6.40 mm, while buds showed no difference from August to October. The bud necrosis and main bud necrosis occurred most frequently in October, however accessory bud necrosis took place from July demonstrating no difference since then. The analysis on the relationship between shoot vigor and necrosis of axillary buds showed that the shoot diameter and internodes’ length have no co-relationship with axillary bud necrosis, but there were negative relationship between the size of buds and necrosis occurrence, which was the most related to accessory bud necrosis. Therefore, despite the low occurrence of bud necrosis and healthy buds in ‘Heukgoosul’grapevines, there was little appearance of flowers in the grapevines, which was attributable to the necrosis in the first bud. In conclusion, the research suggests spur pruning with three nodes kept intact yield.
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생명공학대학 (식물생명공학)
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