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題名 | Effect of Varietal Difference, Temperature, Shading and Plant Age on SO[feaf]Sensitivity Among Rice, Corn and Soybean Plants=品種差異溫度、遮光及株齡等對水稻、玉米及大豆等作物對二氧化硫敏感性的影響 |
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作者 | 謝式坢鈺; 呂明長; 高碩廷; 蕭淑芬; 曾德賜; | 書刊名 | 植物病理學會刊 |
卷期 | 7:2 1998.06[民87.06] |
頁次 | 頁113-119 |
分類號 | 434 |
關鍵詞 | 水稻; 玉米; 大豆; 二氧化硫; Rice; Corn; Soybean; Sulfur dioxide; |
語文 | 英文(English) |
中文摘要 | 本研究測試品種差異及株齡等對水稻、玉米和大豆對空氣污染物二氧化硫敏感性 之影響,主要研究目的在了解利用這些大面積栽培作物改善二氧化硫污染之可行性。 於 20 供試水稻品種中, �瓟_對二氧化硫危害具有抗性, 五種大豆品種中以 Palmetto 及 Yellamel 兩品種較具抗性, 而所有五種供試玉米品種則均對二氧化硫具相當程度之抗性。 溫度越高大部分供試水稻品種受二氧化硫傷害也越大,但溫度對數種敏感的秈稻並不影響。 大豆於高溫( 35 ℃)下較敏感,低溫( 25 ℃)下則具耐性,但溫度對玉米之影響不大。 水稻在 60% 遮光處理下,可使二氧化硫傷害顯著降低,此在秈稻品種上尤為明顯。 遮光並 不影響大豆和玉米對二氧化硫之反應,僅敏感性品種稍受影響。一般而言,此三種作物對二 氧化硫化抗性均有隨株齡而提高之現象, 臺中 20 號及高雄秈 2 號兩敏感品種為唯一例外 。綜合上述試驗結果可明顯看出三種供試作物種類對二氧化硫之敏感性與品種特性有密切關 係,且受溫度,光照與株齡之影響相當大,在二氧化硫污染管理應用上,本研究所提供試驗 結果極具參考價值,有關二氧化硫敏感性決定因子闡明將為未來繼續探討之重點。 |
英文摘要 | The effect of varietal difference, temperature, shading coverage and plant age on SO�盎ensitivity were tested among rice, soybean and corn plants. The main objective of the conducted experiments was to provide useful data for SO�皰ollution management using the extensively cultivated crop species. Among 20 rice varieties texted, Japonica rice generally performed better than Indica rice in regarding to resistance to SO�留amage. Plmetto and Yellamel soybean were among 5 tested soybeans the most resistant. And all 5 tested corn varieties were quite resistant to the applied SO�眩reatment. The elevation of temperature from 25 to 35℃ greatly reduced the SO�盍esistance of most tested rice and soybean plants; although the observed temperature effect did not hold for the corn varieties tested. The injury of SO�皋n all tested rice plants was greatly reduced by provision of 60% coverage shading. The protective effect of shading, however, was not so evident on soybean and corn plants tested. Generally the SO�盍esistance among all 3 tested crop species increased with the increase of plant age. The only exception was that for the susceptible Indica rice like Tainung Sen-20 or Kaoshiung Sen-2 cultivars. The obtained results indicated clearly that the SO�盎ensitivity of the 3 tested crops depended greatly on their varietal characteristics which were further complicated by the change of temperature, light intensity and plant age. In regarding to the deployment of these 3 extensively cultivated crops for SO�皰ollution managtement, the presented data are useful. Further investigation to elucidate the factors contributing SO�� to sensitivity is needed. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。