- 期刊
水稻臺農67號產量潛能之研究 Ⅰ．產量構成要素之表現
Studies on Yield Potential of Tainung 67 Rice 1. The Performance of Yield Components
摘要
爲檢討水稻臺農67號之產量潛能，本試驗以臺南5號爲對照，藉兩品種諸主要性狀之比較，以推定臺農67號高產之決定性狀。經1年兩期作之試驗調查發現：在1期作生育條件下，臺農6號較對照種臺南5號增產9.1%，其差異已達5%之顯著水準。而其高產之癥結似因臺農67號之穗數較對照種臺南5號者爲多，致單株之生物產量增加而穀產量增加，而與兩品種之收穫指數無關。而在2期作環境下，臺農67號豐產之癥結如一期作者，亦奠基於該品種之多穗數。惟本期作下，臺農67號雖較對照種臺南5號增產4.2%，但兩品種單株穀產量之差異並未具統計上之意義。
關鍵字
無資料並列摘要
The recently released high yielding rice Tainung 67 is currently the most popular variety in Taiwan. In order to evaluate the yield potential of this variety, various yield components, economic yield, biological yield as well as harvest index were studied in comparison with the past high yielding variety Tainan 5. Tainung 67 yielded 9.1% higher than that of Tainan 5 in the first crop at 5% level of significance. This was found to be due mainly to the larger mumber of panicles which lead to an increase of biological yield in Tainung 67. No difference in harvest index between Tainung 67 and Tainan 5 was observed. In the second crop, Tainung 67 gave 4.2% higher grain yield than Tainan 5; it was found to be due to the similar reason as that observed in the first crop.
並列關鍵字
無資料延伸閱讀
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