【學術亮點】Assessing water status in rice plants in water-deficient environments using thermal imaging
Technological Agriculture: Carbon Reduction and Sequestration Techniques through Precision Crop Cultivation Management【Department of Agronomy / Yang, Chin-Ying / Distinguished Professor】
科技農業：精準作物栽培管理之減碳增匯技術研發【農藝學系/楊靜瑩特聘教授】
| 論文篇名 | 英文：Assessing water status in rice plants in water-deficient environments using thermal imaging 中文：利用熱影像技術評估乾旱逆境下水稻植株的水分狀態 |
| 期刊名稱 | Botanical Studies |
| 發表年份,卷數,起迄頁數 | 2025, 66, no.6 |
| 作者 | Yang, Chin-Ying(楊靜瑩)*; Zhang, Yan-Ci; Hou, Ya-Ling |
| DOI | 10.1186/s40529-025-00452-4 |
| 中文摘要 | 稻米是全球人口的主食之一。然而，極端天氣威脅農業用水的穩定供應，對糧食供應的穩定性產生重大挑戰。透過科技評估水稻植株的水分狀態，能實現農業用水的精準管理。本研究結果顯示，乾旱程度較嚴重的水稻植株出現較高的離子滲漏率、較低的葉綠素(SPAD)數值，以及總葉綠素含量下降。雖然在可見光(RGB)影像中未觀察到顯著差異，但在乾旱初期利用紅外熱影像技術拍攝水稻植株時，其生理參數與冠層溫度相較於慣行農法出現明顯差異。由冠層溫度與大氣溫度計算而得的作物水分逆境指數(Crop Water Stress Index, CWSI)顯示，水稻植株的含水率與其生理參數之間具有高度相關性。以CWSI與植物含水率進行迴歸分析，其修正決定係數(R²)達到0.86。本研究證實，紅外熱影像技術能有效偵測水稻早期的水分狀態，有助於農民規劃灌溉作業，並實現水資源的精準管理與最適利用。 |
| 英文摘要 | Rice is a staple food for the global population. However, extreme weather events threaten the stability of the water supply for agriculture, posing a critical challenge to the stability of the food supply. The use of technology to assess the water status of rice plants enables the precise management of agricultural water resources. The results of this study reveal that rice-producing regions with more severe drought have higher ion leakage rates, lower Soil Plant Analysis Development (SPAD) meter values, and reduced total chlorophyll content in plants. Although no significant differences were observed in red-green-blue (RGB) images, physiological parameters and canopy temperature differed significantly from conventional farming when infrared thermography was used to capture rice plants in the early stages of drought. The Crop Water Stress Index (CWSI), calculated from canopy temperature and atmospheric temperature, indicated a high correlation between access to water for rice plants and their physiological parameters. Regression analysis using CWSI and plant water status yielded a corrected coefficient of determination of 0.86. Our study demonstrate that infrared thermography can effectively detect early signs of water stress in rice, aiding farmers in irrigation planning and enabling precise management and optimal utilization of water resources. |
| 發表成果與本中心研究主題相關性 | 本研究透過紅外熱影像技術早期偵測水稻乾旱程度，有助於提升灌溉效率與精準用水，降低水資源浪費。此技術促進水資源的永續利用，並減緩極端氣候對農業生產的影響，符合永續農業中資源管理與糧食安全的核心目標。 |
