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頁籤選單縮合
題名 | 大豆伸育性之育種學研究(7):有限型與無限型品種之生長及生產潛能的變異--a.秋作 |
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作者姓名(中文) | 曾富生; 李茂昇; | 書刊名 | 中華農學會報 |
卷期 | 94 1976.06[民65.06] |
頁次 | 頁37-46 |
關鍵詞 | 大豆; 生長; 生產; 育種學; 品種; |
語文 | 中文(Chinese) |
中文摘要 | 使用有限型與無限型品種播種於秋作,比較兩型間在生育期間植株生育型式(growth pattern) 與產量之關係。 開花時株高之伸長,有限型品種為最大株高之74~96%,無限型約為46~65%。營養生長物質在莢開始發育時有限型品種佔總株重之69~78%,而無限型且僅為43~60%。由生長曲線及生長分析發現有限品種為"dash-vigor type"而無限型為"continuous-vigor type"。 無限型品種在開花及莢形成期間營養生長物質與生殖生長物質之競爭較有限型大。莢開始形成後各時期營養生長物質佔植株總重之分配率以有限型比無限型大。但生殖生長物質則以無限型較大。莢發育過程中,兩型均呈種子生長比莢殼生長旺盛之現象,而其程度又以無限型為大。 |
英文摘要 | Determinate and indeterminate type of soybeans were planted in fall to study the effect of dry matter variation on yield during growing period. At initial flowering, the plant was 74-96 and 46-65% of maximum height for determinate and indeterminate type respectively. At beginning pod development, the vegetative material was 69-78 and 43-60% of total weight for determinate and indeterminate type respectively. The plant growth curve showed that determinate type was early vigor type and indeterminate was continuous vigor type. There was more competition between vegetative and reproductive materials in indeterminate than determinate type at initial flowering and beginning pod development. The growth of the pod walls showed a negative allometric relation to that of the seeds, and the seeds also grow more vigorous than pod walls in both types especially in the indeterminate type during the pod set. After flowering, the proportion of vegetative material in total dry weight of various growing stage was greater in determinate type and the reproductive material was greater in indeterminate type. |
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