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題 名 | 臺灣大豆之病害=Soybean Diseases in Taiwan |
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作 者 | 韓又新; | 書刊名 | 中華農學會報 |
卷 期 | 26 民48.06 |
頁 次 | 頁31-38 |
關鍵詞 | 病害; 大豆; |
語 文 | 中文(Chinese) |
英文摘要 | The soybean, Soja max(L.) PIPER [Glycine max (L.) MERRILL], is a new important crop in Taiwan especially during recent years. Compared with other field crops, the damage from various diseases of soybean at present is considerably high. During the period of Aug. 1956 to Oct. 1958, most of the important soybean areas in this island have been visited for many times. This paper is the results of a general survey on the diseases of soybean occured in this period. According to the field observation, eighteen kinds of diseases were discovered. The distribution, appearence, cause, Violent conditions, economic importance and varietal susceptibilities of the most diseases have been observed. Among the diseases, two are caused by viruses, two by bacteria, twelve by fungi, and two are physiogenic diseases that are based on the deficience of elements. The virus diseases are dwarf and mosaic. The bacterial diseases are bacterial blight (caused by Pseudomonas glycines) and bacterial pustule (caused by Xanthomonas phaseoli). The fungus diseases and the fungi that caused them are rust (Phakopsora sojae), purple stain seed (Cercospora kikuchii), anthracnose (Colletotrichum glycines), fusarium pod rot (Fusarium oxysporum f. trancheiphilum), downy mildew (Peronospora manshurica), frog eye spot (Cercospora sojina), sclerotinia rot (Sclerotinia sclerotiorum), seed rot (Fusarium scirpi f. tracheiphilum?), brown spot (Alternaria sp.; Helminthosporium sp.), sclerotium blight (Corticium centrifugus), violet rot (Helicobasidium monpa) and pod blight (Macrophoma mame). The physiogenic diseases are physiogenic yellowing (Potassium deficiency) and leaf browning (Magnesium deficiency). According to this survey, it shows that the purple stain seed is one of the most destructive disease in the central part of Taiwan. The most widespread diseases were the two leaf spots known as bacterial pustule and bacterial blight. Fusarium pod blight appears to be increasing in importance annually. Frog eye was not severe in 1957. Downy mildew was prevalent and caused serious damage during the wet period of the year. Sclerotium blight was obtained from most of the areas in 1956 and 1957, but during 1958 the incidence of this disease increased seriously. During the surveys, a number of other diseases of soybean were observed in the nurseries and elsewhere. Among the chief were mosaic, dwarf, anthracnose, etc.. The data obtained indicate that the varieties Ogden, Dortchsoy str. 2, Palmetto, C.N.S and E.G.I. possess the greatest the relative resistance to the bacterial pustule and bacterial blight. In general, the hay types are the most susceptible. It appears that the susceptibility of the variety palmetto is resistant weakly to the anthracnose and fusarium pod rot. In the total amount of more than 150 varieties examined, there is none free from any diseases. |
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