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標題: 考量風險之區域試驗穩定性分析
Stability analysis of regional trials with risk-adjusted concept
作者: 黃寶萱
Huang, Pao-Hsuan
Contributors: 歐尚靈
Shang-Lin Ou
農藝學系所
關鍵字: 穩定性分析;區域試驗
stability analysis;regional trial
日期: 2013
Issue Date: 2013-11-21 11:05:20 (UTC+8)
Publisher: 農藝學系所
摘要: 育種學家在品種選拔的後置階段,常進行區域試驗,其中產量的穩定性分析是重要項目之一。傳統常用標準差或變異係數來進行穩定性分析,若育種目標是高產量品種,多數學者研究發現,穩定性高的品種,結果卻可能伴隨著低產量的結果。
若育種目標是高收益的品種,目前尚無較完善的統計量可以評估,為了改善上述情況,本文提出一個新的評估統計量,以風險調整的概念,同時考慮品種的產量與穩定性,來改善穩定性分析面臨的難題。
The last process of plant breeding for a new cultivar usually goes through regional experiments. The stability analysis of yield is one of the important issues for selecting an optimum cultivar. A number of statistics have been proposed to measure the stability. But several frequently used statistics, like coefficient of variation, selecting stable cultivars but simultaneously with low yield.
Stability analysis has not being developed a new concept to select a cultivar with high profit. To solve this problem, this thesis develops a new statistics with risk-adjusting concept, considering stability and high-yielding performance of cultivar simultaneously.
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