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頁籤選單縮合
題名 | Genetic and Histological Evidence for Microspore Origin of Anther -Derived Plants of Rice=利用遺傳學及組織學的方法探討水稻花藥植株之來源 |
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作者 | 李志英; 陳其昌; | 書刊名 | 國立臺灣大學理學院植物學系研究報告 |
卷期 | 27 1982.06[民71.06] |
頁次 | 頁86-92 |
分類號 | 371.8 |
關鍵詞 | 水稻; 花藥; 植株; 遺傳學; 組織學; |
語文 | 英文(English) |
英文摘要 | Anthers of rice (Oryza sativa L., 2n=24) heterozygous for the waxy gene (wx+/wx) were cultured on medium supplemented with 2,4-D and with NAA and kinetin. Histological observation of the anthers lus cultured revealed that only the microspords underwent divisions leading to callus formation; the somatic tissues degenerated or remained quiescent. Upon transfere of callus to the differentiation media, plants with ploidy levels ranging from haploid to tetraploid were regenrated. Staining pollen gtains with I2-KI showed that all the diploid and tetraploid plants were homozygous. Furthermore, in both ploidy levels the ratio of waxy to nonwaxy fits the expected 1:1 sebregation ratio. Thus histological and genetic evidence inducates that all anther-devived plants obtained in this study are of microspore orign. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。