국내 도입 블루베리의 생육기 및 형태적 특성에 의한 유연관계 분석
Analysis of Relationship Based on Growth Period and Morphological Characteristics in Blueberry (Vaccinium spp.)
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초록
국내에서 주로 재배중인 28개 품종의 품종 식별을 위해 생육기 및 형태적 특성을 조사하여 유연관계를 분석하였다. 래빗아이 블루베리 품종인 ‘Austin’, ‘Brightwell’, ‘Powderblue’, ‘Southland’, ‘Tifblue’가 하이부쉬블루베리에 비해 수확 기간이 길고 늦은 것으로 나타났다. 꽃의 L/D율은 래빗아이 블루베리 품종인 ‘Austin’, ‘Brightwell’, ‘Powderblue’, ‘Tifblue’과 남부하이부쉬 블루베리인 ‘Brigitta’ 품종의 경우 2.0 이상으로 나타나 수분에 불리할 것으로 판단되었다. 블루베리 품종별 형태적 특성 결과를 군집 분석한 결과 블루베리의 생육 및 과실 의형태적 특성에 의해 크게 2개의 그룹으로 구분할 수 있었다. 그룹 I은 래빗아이 블루베리 품종들이었으며 그룹 II는 하이부쉬블루베리 품종들이었다. 따라서 생육기 및 형태적 특성만으로도 래빗아이 블루베리 품종을 식별할 수 있을 것으로 판단되었으며 하이부쉬블루베리 내 반수고, 북부, 남부 하이부쉬 블루베리의 구분은 되지 않았다.
Abstract
For analysis of the relationship among blueberry cultivars, the growth period and morphological characteristics were investigated in 28 blueberry cultivars, and cluster analysis using the SAS program was conducted based on the morphological data. The harvest period was later and longer in rabbiteye blueberry cultivars (Austin, Brightwell, Powderblue, Southland, Tifblue) than in highbush blueberry cultivars. The L/D ratio of flower was more than 2.0 in the Austin, Brightwell, Powderblue, Southland, Tifblue, and Brigitta cultivars, and this could be disadvantageous for pollination. The 28 blueberry cultivars were classified into two groups by the cluster analysis based on growth period and morphological characteristics. Group I included rabbiteye blueberries and Group II included highbush blueberries. However, the northern, southern, and half-highbush blueberry cultivars were not differentiated.
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