| 摘要: |
| 一九四七年的秋季,婁隆后在北京西郊羅道荘北京農業大學的小米試驗裹面首先發現在小米穗上所發生的一種新黑穗病,由於它的症狀和病原菌和小米粒黑穗病的(Ustilago crameri Korn)完全不相同,因此給小米的這種黑穗病的中文名稱為墨黑穗病,以區别於小米的其它的黑穗病。在一年前,我們曾在北京西郊農業大學的校園内採得狗尾草[Setaria latescens(Weigel)Hubbard]的黑穗病,(圖2)這個黑穗病是凌立在四川首先發現的,他認為其病原菌是一個新種,定名為Tilletia setariae sp.nov。我們在北京所採得的狗尾草黑穗病菌,經檢查後,發現它所誘引的症狀和它的形態都和凌立所發表的經錄相同,僅祗是厚壁孢子的體積大小,略有出入,實際我們在各型Setaria lutescens(Weigel)H.Hubb.的植株上面所看到的孢子堆和厚壁孢子,在體積上均有些差別,這或許是由於寄生型類不 |
| 关键词: 粒黑穗病 狗尾草 厚壁孢子 水稻 黑穗病菌 微米 小米 病原菌 萌芽 |
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| A NEW SMUT OF FOXTAIL MILLET(SETARIA ITALICA BEAUV.) CAUSED BY NEOVOSSIA SETARIAE (LING)COMB.NOV. |
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| Abstract: |
| In the fall of 1947, a new smut disease was found on the foxtail millet (Setaria italica Beauv.) in the experimental field of Peking Agricultural College, Peking, China. The smut infected only a few ovaries in the spike. The infected ovaries hypotried and protruded out of the glumes, 2.5-3.5 mm. long and 2-3 mm. broad. At maturity the black spore mass was exposed by the rupturing of the outer tough membrance. The chlamydospores showed different stages of development. As the spores matured, their color was a... |
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