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Germination ecology of two savanna tree species, Tamarindus indica and Prosopis africana

机译:两种热带稀树草原树种罗望子和非洲象鼻的发芽生态

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摘要

Various methods of seed scarification including concentrated sulphuric acid, alcohol; methanol, ethanol, iso-propanol, butanol and hot water (100 deg C), were applied on seeds of Tamarindus indica L. and Prosopis africana Guill and Peri., to improvegermination and assess seed vigor. The highest germination and germination energy (Germ. En.) for T. indica occurred following pre-treatment in methanol for 10 minutes (70 percent germination; 42, Germ. En.), while better response was obtained for P. africana following pretreatment in ethanol for 10 minutes (58 percent germination; 38, Germ. En.), and Conc. H_2SO_4, for 5 minutes (60 percent germination; 38, Germ. En.).
机译:种子稀疏的各种方法,包括浓硫酸,酒精;将甲醇,乙醇,异丙醇,丁醇和热水(100摄氏度)分别施用于罗望子果和非洲象甲和百里香的种子上,以改善发芽和评估种子活力。在甲醇中预处理10分钟(70%的发芽; 42。Germ。En。)后,印度T的最高发芽和发芽能(Germ。En。)发生,而预处理后的非洲对虾获得更好的响应。在乙醇中浸泡10分钟(发芽率为58%; Germ。En。为38), H_2SO_4,持续5分钟(60%萌发; 38,Germ。En。)。

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