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在上海引种苎麻的同时,我们即对苎麻病害进行调查。上海引种的苎麻,种根来自湖南省9年生左右的麻蔸。病害调查是采取从引进种根中取样、试种麻田系统观察与郊县试种麻田定期调查相结合的方法。现就调查中所得到的苎麻病害种类报道如下。一、种根取样取样的种根经洗净,观察表面有无病斑,对有病斑的根块进行保湿培养与培养基分离病菌,对生长的病原微生物进行镜检和培养观察。 1.白卷担菌 (Helicobasidium albicans Saw)苎麻上未见报道。
While ramie was introduced in Shanghai, we investigated ramie disease. Shanghai introduced ramie, seed from Hunan Province about nine years Mochi. Disease investigation is taken from the introduction of seed in the sample, test the system of observation and cultivation of Arita Ma field routine survey of a combination of methods. Now on the investigation obtained ramie disease types are reported below. First, the kind of root sampling Sampling seed washed, observe the surface with or without spots on the patch of the root blisters moisture culture and culture medium isolated bacteria, the growth of pathogenic microorganisms microscopic examination and culture observation. 1. White (Helicobasidium albicans Saw) ramie has not been reported.