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溫度對於盤固草與印度藍莖草生長及酚酸含量的影響

Effects of Temperature on Growth of Pangolagrass and Delhigrass and on Their Contents of Phenolic Acids

摘要


本試驗的目的在探討溫度對於盤固草A254(Digitaria decumbens Stents.)與印度藍莖草A70(Dichanthium annulatum(Forsk.)Stapt)生長及酚酸合量的影響。試驗結果顯示,溫室生長的兩種牧草對溫度的反應並不一致,高溫(30/25℃)均促進兩種牧草的生長,低溫(20/15℃)抑制印度藍莖草的生長。高溫降低牧草的粗蛋白質含量,卻提高中、酸洗纖維含量。高溫及低溫均增加牧草莖及根部的酚酸含量,尤以p-coumaric acid增加最多。

關鍵字

溫度 盤固草 印度藍莖草 生長 酚酸 苯酸 肉桂酸

並列摘要


The purpose of this study was to determine the effect of temperature on growth and phenolic acids on pangolagrass A254 (Digitaria decumbens Stents.) and delhigrass A70 (Dichanthium annulatum (Forsk.) Stapt). High day/night temperature (30/25°C) improved the growth of both grasses while low temperature (20/15°C) retarded the growth of delhigrass A70. High temperature decreased crude protein but increased neutral and acid detergent fiber content of grasses. Both high and low temperatures increased phenolic acid contents of stem and root, especially for p-coumaric acid.

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