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頁籤選單縮合
題名 | 溫度與大豆植株在營養生長期生長發育之關係 |
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作者 | 莊周瑞; | 書刊名 | 農林學報 |
卷期 | 42:3 1993.09[民82.09] |
頁次 | 頁55-68 |
分類號 | 434.217 |
關鍵詞 | 大豆; 植株; 發育; 溫度; 營養生長; 生長基本溫度; 生育相; Soybean[Glycine max (L.) merrill; Vegetative growth; Base temperature; Phenology; |
語文 | 中文(Chinese) |
中文摘要 | 本試驗目的在探討大豆植株於營養生長期間對溫度之生態反應.及是否 能以簡便有效之方法計算出其生長所需基本溫度(base temperature,Tb)與有效積溫 (effective heat uniisummation,EHUS),做為作物生長管理之依據。本試驗以大豆中 興一號、高雄選十號及中興二號三個品種為材料,於春作、夏作及秋作種植,以 營養生長期間各不同生育階段之生育日數及累積溫度進行迴歸分析,估算各生育 階段的Tb及EHUS值,試驗結果顯示植株在各生育階段中,不僅對EHUS的需求不 同,Tb值亦隨著生育期之不同而有改變;一般而言,生育早期的Tb值較低,後期 之值較高。於各期作比較估計所得之理論生育日數與實際生育日數,在春、秋期 作極為吻台,但夏作則有明顯低估的趨勢,此一低估現象主要發生在營養生長後 期(V3-R1)。 |
英文摘要 | The purpose of this study was to elucidate the responses of soybean vegetative growth totemperature and the applicability of using simple method to estimate base temperature (Tb)and effective heat unit summation (EHUS) for Field management. Soybean varieties Chunghsing No. 1, Chunghisng No. 2, and Kaohsing No. 10 were pot-cultured in the spring, summer,and fall crop seasons in 1992. The Tb and EHUS were estimated from the regression coefficient(B) and constant (A) from the equation Ts=A+B .day. The estimated Tb as well as EHUSwere different for various growth stages during the vegetative phase of soybean plants, and waslower in the early growth stages and higher in the latter growth stages. Using the estimated Tb,EHUS and the observed mean temperature in each growth period of the three crop seasons, thegrowth durations of each period were predicted. The predicted durations Fitted closely to theobserved values for the spring and fall crops, but was underestimated for the summer crop. The underestimation was detected especially in the latter stage of vegetative growth (V3-R1). It is suggested that other meteorological factors should be included in the estimation of Tb and EHUS, especially for the latter developmental stages of soybean plants. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。