- 期刊
- OpenAccess
稉稻品種臺中192號之育成
The Development of Japonica Rice Variety "Taichung 192"
摘要
臺中192號係由臺中區農業改良場於1999年第二期作以臺稉14號為母本、臺稉8號為父本進行雜交，2001年第二期作選出，2007年6月命名的稉稻品種，其全生育日數平均第一期作為129天，第二期作為115天，較臺稉9號晚熟1～2天；米粒的心、腹、背白少，外觀優於臺稉9號，食味品質則與對照品種臺稉9號相同，顯示臺中192號具有良好的米粒外觀與食味品質。而其收穫稻穀具耐儲存的特性，經四個月室溫儲存的臺中192號在食味品評的表現仍與低溫儲存的臺稉9號相同。臺中192號亦較臺稉9號具高產的特性，其區域試驗平均稻穀公頃產量第一期作為6,819 kg，明顯較臺稉9號增產8.5%，第二期作為5,218 kg，亦明顯較臺稉9號增產5%。此外，臺中192號具抗褐飛蝨及斑飛蝨之特性，平均為中抗等級，抗倒伏能力良好且脫粒率較低，適合機械收穫。臺中192號於第二期作耐寒性較差，需注意第二期作不宜過晚種植；對稻熱病之抵抗性不穩定，對紋枯病、白葉枯病、縞葉枯病、白背飛蝨及二化螟蟲等病蟲害並不具抵抗性，栽培時應注意適時防治。
並列摘要
Taichung 192, a Japonica rice variety was developed by crossing Taikeng 14 with Taikeng 8, has been named and released as a recommended variety from June, 2007. The agronomic characteristics of this cultivar are: 129 and 115 days of growth duration for 1st and 2nd cropping, respectively; approximately 104 cm plant height for 1st cropping and 99 cm for the 2nd; 15 spikes in the 1st cropping and 13 spikes in the 2nd. The average grain yield of Taichung 192 is 6,819 kg/ha in 1st cropping and 5,218 kg/ha in the 2nd, higher than Taikeng 9 8.5% and 5%, respectively.Taichung 192 has been suggested to be suitable to grow in the single and double crop fields in Taiwan. The fertilizer is recommended 120~160 kg/ha and to be applied as early as possible, and it needs to be applied on the 30th and 24th days after transplanting for the 1st and 2nd crops, respectively. In order to facilitate the high yield, the proper draining is required for inhibiting the ineffective tillers and the elongation of rice plant.Taichung 192 is resistant to brown and small brown planthoppers, but less resistant to blast, bacterial leaf blight, sheath blight stripe and white backed planthopper. For the rice of Taichung 192, the rate of white belly is better than that of Taikeng 9 and the eating quality is similar to that of Taichung 189, which is considered as a high quality rice variety. In order to maintain the high quality of rice, irrigation should not be cut off too early before harvest.