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題 名 | 第二期作水稻品種臺中秈10號之移植期對產量及米質之影響 |
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作 者 | 林再發; 黃富美; | 書刊名 | 臺中區農業改良場研究彙報 |
卷 期 | 34 1992.03[民81.03] |
頁 次 | 頁27-33 |
分類號 | 434.111 |
關鍵詞 | 水稻; 品種; 臺中秈; |
語 文 | 中文(Chinese) |
中文摘要 | 臺灣中部地區第二期作水稻之移植時間為七月下旬至八月上旬,本試 驗目的在探討延遲栽植時間對臺中秈10號水稻品種產量及品質性狀的影響。試 驗結果發現如延後移植時間15日,則抽穗期及成熟期分別延後29及39日,主 要係受低溫之作用;稻穀產量亦大幅下降65%,影響產量表現的最主要因子為結 實率與千粒重。延遲移植處理降低糙米粒寬及稻穀與糙米之容重量,由於影響穀 粒充實,使稻米蛋白質含量顯著上升,同時使直鏈性澱粉含量下降。晚植因可影 響裡作及降低產量與品質,故第二期作栽培臺中秈10號品種時,仍以提早插植 較為理想。 |
英文摘要 | The purpose of this study was to investigate the effect of late planting on the performance of yield and quality characteristics of indica rice cv. Tai- chung Sen 10 grown in the second crop season in central Taiwan. It was found that delay of transplanting from August 5 to August 20 could extend the days needed to heading and maturity by 29 and 39 days, respectively. Low temperature was considered as the main factor in affecting the growth duration of rice plants. In comparison with normal-planting treatment, a decrease of 65% in grain yield was recorded as a result of reduced filled-grain percentage and 1,000-grain weight for late-planting plants. Delay of transplanting also tended to decrease the width of brown rice and volume weight of both rough and brown rice. The protein content of rice grain increased while amylose content decreased significantly in response to late planting, presumably the result of abnormal starch synthesis and accumulation. Based on the consideration of economic land utilization, stable yield and high grain quality, early planting of Taichung Sen 10 cultivar in the second crop season was suggested. |
本系統中英文摘要資訊取自各篇刊載內容。