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頁籤選單縮合
題名 | 黑小麥與小麥農藝性狀之相關及路徑分析 |
---|---|
作 者 | 劉景平; 陳成; | 書刊名 | 中華農學會報 |
卷期 | 111 1980.09[民69.09] |
頁次 | 頁24-37 |
關鍵詞 | 小麥; 黑小麥; 農藝性狀; |
語文 | 中文(Chinese) |
中文摘要 | 本試驗之目的在探討適於本省中北部冬季裡作栽培條件下,黑小麥及小麥之選種指標,並比較其異同。因此利用50個黑小麥品系及22個小麥品系,做為試驗材料,於1978年冬種植於台灣大學附設農業試驗場,分別研究黑小麥及小麥性狀間之相關性,並利用路徑分析法以了解產量決定性狀。 黑小麥農藝性狀及特性之變異係數比小麥小,同時黑小麥品系間農藝性狀及特性之相關與小麥品系間農藝性狀及特性之相關性不一致。根據路徑分析之結果,適宜裡作之黑小麥產量決定性狀為有效分?數,結實率及容積重;而小麥則為為株高,抽穗日數及容積重,二者不盡相同。 |
英文摘要 | The purpose of this experiment is to study the yield components of both triticale and wheat which are grown as winter crops in northern part of Taiwan. Fifty tritical lines and twenty-two wheat lines used as experimental materials were planted in the experimental field of National Taiwan University in winter, 1978. The correlations among characters of triticale and those of wheat were studied separately and their grain yield components were studied by path analysis. The coefficients of variation of triticale were found smaller than those of wheat. There was no consistency between triticale and wheat about the correlations among characters. From the results of path analysis, the major components of the grain yield are effective tillers, fertility and test weight in triticale; in wheat they are plant height, heading day and test weight. |
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