桑树(morus alba l .)一种新的真菌病原菌——玫瑰灰栎(Acremonium roseogrisum)源自aizawl(米佐拉姆邦)

THE SCIENTIFIC TEMPER Pub Date : 2023-02-09 DOI:10.58414/scientifictemper.2012.03.1.06

S. Dutta, M. Ghosh, B. Choudhuri, B. Bindroo

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引用次数: 0

摘要

艾扎尔(北纬23.42°，东经92.94°)是印度东北部的一个丰水区，海拔1132米(MSL)，桑树(Morus alba L.)总面积为5100公顷。桑田以白粉病(Phyllactinia corylea)、叶斑病(Myrothecium roridum)和叶锈病(Perdiopsora mori)为主。观察了一种内生真菌——玫瑰顶孢菌(Acremonium roseogriseum)的新叶病发病情况。该病原体鉴定自新德里IARI。疾病发病率从10月份开始，一直持续到1月份。疾病症状的特征是在叶子的腹表面出现白色到灰白色的毡状垫。该病害严重影响Aizwal (Mizoram)的所有统治桑树品种(即S1和S1635)。来自印度的一份新报告称，桑树叶片被玫瑰灰顶孢感染

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ACREMONIUM ROSEOGRISEUM - A NEW FUNGAL PATHOGEN OF MULBERRY (MORUS ALBA L.) FROM AIZAWL (MIZORAM)

Aizawl (latitude23.42°N, longitude 92.94°E), a rainfed zone of North East India is locatedat 1132 meter above sea level (MSL), where total area under mulberry (Morus alba L.) is 5100hectare.In mulberry field incidence of Powdery mildew (Phyllactinia corylea) , Myrothecium leafspot ( Myrothecium roridum) and Leaf rust ( Perdiopsora mori) are predominating in this region. A newfoliar disease for the incidence of Acremonium roseogriseum, an endophyic fungus was observed. Thepathogen was identified from IARI, NewDelhi. Disease incidence appears in the month of Octoberand continues up to January. Disease symptoms are characterized by the presence of off white to ashcoloured felty mat on the ventral surface of leaves. The disease is severely affected all rulingmulberry cultivars ( viz, S1 and S1635) in Aizwal (Mizoram). Acremonium roseogriseum infecting theleaves of Mulberry is a new report from India

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