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題名:氣溫之變化與水稻紋枯病病勢進展之關係    
Effect of Air Temperature Flucturation on The Disease Progress of Sheath Blight of Rice
著者:游俊明(Chun-Ming Yu) ;蔡武雄(Wu-Hsiung Tsai) ;黃益田(Yih-Tyang Huang)
出版地區:台灣
出版城市:桃園縣
學科:農林漁牧礦科學
關鍵字:水稻紋枯病 ; 病勢進展 ; rice sheath blight ; disease progress
刊名:桃園區農業改良場研究報告
卷期:1期(1983.9)
頁碼:11-21
語言:繁體中文
摘要: 中文摘要PDF ; 英文摘要PDF

水稻紋枯病之發生及病勢進展受氣溫變化之影響甚大。在本省第一期作因生育初期氣溫較低,稻株生長緩慢,所以紋枯病發生較晚,但隨著氣溫之升高,病勢逐漸進展,且可持續進展至成熟期,而第二期作則因生育初期氣溫較高,稻株生長較快,所以紋枯病發生較早,初期病勢進展較快,但到了水稻生育後期,隨著氣溫之逐漸下降,病勢便緩慢下來。
因本省各地區之氣溫變化及水稻栽培時期不同,因此紋枯病之發生也有區域性之不同。新竹、嘉義及白河地區68年第一期作分別在插秧後55、45及43天才開始發病。而第二期作則分別在插秧後35、39及21天開始發病。新竹及嘉義地區第一期作發病較第二期作嚴重,而白河地區則第二期作發病較第一期作嚴重。
The occurrence and progress of sheath blight disease of rice plant was greatly affected by the fluctuations of air temperature. In the 1st crop season, sheath blight disease occurred much later due to the low air temperature of the early growing stage of rice. However, the disease could increase gradually with the increasing of the air temperature as well as the growth of rice plant. And the disease could progress constantly up to the maturing stage of rice plant. In the 2nd crop season, on the contrary, sheath blight disease occured earlier due to the high air temperature of the early growing stage of rice. However the progress of the disease was slow down with the decreasing of the air temperature of the late growing stage of rice plant.
The occurrence of sheath blight disease varied with the rice growing region. In the 1st crop season of 1979, sheath blight disease occurred in Hsinchu, Chiayi and Paiho at 55, 45 and 43 days after transplanting respectively, while in the 2nd crop season, the disease occurred at 35, 39 and 21 days after transplanting respectively. The disease was more severe at the 1st crop season than that of the 2nd crop season at both Hsinchu and Chiayl region1 however, the disease was more severe at the 2nd crop season than that of the 1st crop season at Paiho region.


    

本卷期目次
桃園區農業改良場研究報告 1期 (1983.9)
雄不稔性水稻稔性恢復基因之尋求與提高天然雜交率之研究/ 卜瑞雄黃真生
氣溫之變化與水稻紋枯病病勢進展之關係/ 游俊明蔡武雄黃益田
稻熱病流行學之研究Ⅳ.葉稻熱病盛行率預測模式之發展/ 黃益田
A New Method Developed for Estimating The Disease Incidence of Sheath Blight of Rice/ Chum-Ming YuMing-Jen Fan
 
   
 
   

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