흑쌀보리 육성에 대한 유전상관, 경로계수 및 선발지수의 분석
Analysis of Genetic Correlation, Path Coefficient and Selection Index of Selection in Black Naked Barley
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초록
본 연구는 흑쌀보리 육성을 위해 Otello, 흰쌀보리 및 늘쌀보리 등 3품종으로 교배하고 계대 육성하여 F7세대의 각 형질을 분석한 결과는 다음과 같다. F7세대에 대한 상관의 정도는 단백질 함량과 β-glucan 함량 간에서, β-glucan 함량과 까락 길이 간에서, β-glucan 함량과 1000립중 간에서, 이삭 길이와 1000립중 간에서 각각 유의하였다. 광의 유전력은 모든 형질에서 0.9292 이상으로 높았다. 경로계수 분석에서 1000립중에 관여하는 직접효과는 단백질 함량, β-glucan 함량, 이삭 길이가 정의 효과를 보였으며, 간접효과도 단백질 함량, β-glucan 함량, 이삭 길이의 관여 조합이 정의 효과를 보였다. 선발지수는 단일형질에서 까락 길이와 단백질 함량이 정으로 높았다. 3개 형질 및 4개 형질의 조합에서는 단백질 함량과 까락 길이의 관여가 모두 정으로 높았다.
Abstract
This experiment was carried out to analyze genetic parameters for the selection of barley by "Otello", "Hinssalbori", "Nulssalbori". genetic correlation path coefficient were calculated as the statistical parameters to evaluate direct or indirect effects of various genetic characters on thousand grain weight. Especially the relationships between protein content and β-glucan content, β-glucan content and awn, β-glucan content and thousand grain weight, ear length and thousand grain weight showed highly positive correlation. It was estimated from the path coefficient analysis that direct effects and indirect effects related protein content and β-glucan content were much affected by protein content, β-glucan content, ear length. The selection weight of awn length for thousand grain weight was the highest of those of all the characters.
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