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題名 | Effects of Butachlor on Seed Germination and Seedling Growth of Barnyardgrass=丁基拉草對水稗種子萌芽及幼苗生長的影響 |
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作者姓名(中文) | 陳益明; 李玲真; 林秋榮; | 書刊名 | 國立臺灣大學理學院植物學系研究報告 |
卷期 | 26 1981.09[民70.09] |
頁次 | 頁22-35 |
關鍵詞 | 丁基拉草; 水稗; 種子萌芽; 幼苗生長; Butachlor; Seed germination; Seedling growth; Barnyardgrass; |
語文 | 英文(English) |
英文摘要 | The effects of butachlor (2-chloro-2', 6'-diethyl-N-(butoxy-methyl) acetanilide) on seed germination of barnyardgrass (Echinochloa crus-galli (L.) Beauv.) and subsequent seedling growth were investigated. Results showed butachlor treatment did not affect seed germination up to a concentration of 200 ppm, but it delayed the time of radicle emergence through the pericarp of seed for 12 hours. Futher seedling growth was severly inhibited. Emergence of both the primary leaf from the coleoptile and the root were inhibited by a 6 ppm concentration of butachlor. Time elapse studies of the effect of butachlor on the development of amylase and protease activities revealed that the inhibition these activities observed during the early period of seed germination prevented the degradation of reserve carbohydrates and proteins in the endosperm. However butachlor treatment did not affect the polyriboosome level in the initial 36 hours period of seed germination. |
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