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{'トドマツ精英樹14クローン42個体を用いて,曲げヤング率(MOE),曲げ強さ(MOR)および気乾密度を調査した。それぞれの形質の調査は,樹心部(髄から17年輪まで)と辺縁部(18年輪以降)に分けて行った。また,そのうちの7クローン21個体を用いて,晩材仮道管S2層のミクロフィブリル傾角(MFA)の半径方向の変動を調査した。気乾密度とMOEおよびMORは,それぞれ有意な相関関係を示した。MFAの半径方向の変動パターンは,特に髄周辺の年輪部位においてクローン間で異なっていた。MFA,気乾密度,MOEの関係から,MOEの変動に対するMFAの影響は小さく,気乾密度の影響が大きいと考えられた。気乾密度,MOE,MORの樹心部と辺縁部の間には有意な相関関係にあり,比較的早期にこれらを評価できると考えられた。': [0]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2077743538', 'counts_by_year': [{'year': 2023, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-08-14T19:56:33.667688', 'created_date': '2016-06-24'}