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頁籤選單縮合
題 名 | 北部地區良質米適栽區域稻品種間品質之比較 |
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作 者 | 方再秋; 林孟輝; | 書刊名 | 桃園區農業改良場研究報告 |
卷 期 | 22 1995.09[民84.09] |
頁 次 | 頁13-26 |
分類號 | 434.111 |
關鍵詞 | 良質米適栽區; 品種比較; High quality rice production; Varietal comparison; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以台?3號、4號、5號、6號、7號、8號、9號、10號及對照品種台中189號、台農67號等10個?稻品種(Oryza sativa L.)為供試材料。於1993年第2期作至1995年第1期作在北部桃(八德)竹(穹林)苗(後龍)三縣良質米適栽區內探討新品種之品質表現,做為新品種晉升良質米推薦品種之依據。結果顯示,白米率及完整率在期作間有顯著差異,且第2期作高於第1期作。礦米品質在地區間亦呈顯著差異,其順序為八德>後龍>穹林,即糙米率、白米率及完整率由平地向山區逐次遞減。而品種間亦呈顯著差異,以台?8號最高,以台?4號最低。至於化學成份中,第2期作之膠化溫度、直鏈澱粉含量、粗蛋白質含量皆比第1期作高,而膠體軟硬度則相反,且期作間里顯著差異。在地區間,除穹林地區之租蛋白質含量最低外,其餘各性狀並無顯著差異。在品種間,各性狀皆呈顯著性差異。在膠化溫度方面,除台?7號呈中膠化溫度外,其餘皆為低膠化溫度。直鏈澱粉含量以台?3、4號最高,台?7號最低:粗蛋白質含量則以台?10號最高,台?3、4、5、6、9號為序降。在膠體展延性方面,以台?9號最長,以台?4號及台中189號最短。綜合而言,在桃竹苗地區第1期作以糙米率、白米率及完整米率最高之台?8號及鹼性擴散值和膠體展延性較高與直鏈澱粉含量和蛋白質含量較低之台?9號為良質米適栽區域之推薦品種。在第2期作之稻米品質一般皆比第1期作差,是以在本轄區內並不推薦中晚熟品種,而以早熟種高雄142號為主,唯其品質易劣變,不宜做長期儲存之用。 |
英文摘要 | Field experiments were conducted to determine the quality of 10 rice varieties, namely Taikeng 3, 4, 5, 6, 7, 8, 9, 10, Taichung 189(CK) and Tainung 67(CK), at the high quality rice production region of Pateh, Taoyuan Hsien and Chionglin, Hsinchu Hsien and Houlung, Miaoli Hsien during the 2nd crop of 1993 through 1st crop of 1995. The results showed that total milling rice rate and head rice rate were significantly different between crop seasons and the rates of 2nd crop showed higher than that of 1st crop. The milling quality of rice was significantly different with tested regions. The brown rice rate, total milling rice rate and head rice rate decreased gradually from plain area (Houlung) to mountainous area (Pateh). In comparison among varieties, the Taikeng 8 had the highest brown rice rate (83.4%), total milling rice rate (76.0%) and head rice rate (70.0%), while the Taikeng 4 had the lowest milling rate. The 2nd crop had higher alkali spreading value, percentage of amylose and crude protein than the 1st crop. However, the gel consistency was to the contrary. The physico-chemical proper-ties were insignificantly different among tested regions except that Chionglin region had significant lower percentage of crude protein. All tested varieties were low gelatinization temperature except Taikeng 7 was middle gelatinzation temperature. The Taikeng 3 and Taikeng 4 had the highest percentage of amylose, whereas Taikeng 7 had the lowest. The Taikeng 9 had the highest percent-age of crude protein than other varieties. All tested varieties belonged to low gel consistency(more than 50mm). The results from combined analysis showed that Taikeng 8 which had the highest brown rice rate, total milling rice rate and head rice rate, and Taikeng 9 which had higher alkali spreading value and gel consistency and lower percentage of amylose and crude protein may be recommended as the high quality rice varieties in the production region of northern area in the 1st crop. While the early variety. Kaohsiung 142 may be recommended for planting in the 2nd crop. |
本系統中英文摘要資訊取自各篇刊載內容。