This is the first time I've failed to find a word in both dictionaries and Google search: the only hit Google finds is the article where this quote appears:


I looked at the Japanese Wikipedia pages on うどんこ病 and 分生子 but I could not find any clues. I know that a 分生胞子 (conidium) can be "pip-shaped." Could that have any relation to 「ピプロシン」?

My translation of this sentence so far is:

Honma has an extremely lucid mind and is graduating with high grades; her graduation thesis on Conidium of Powdery Mildew is admirable academic research referring to ピプロシン体 as the chemical building blocks of storage material.

Thank you for any help you can provide!

  • 3
    Maybe it's supposed to read 「フィブロシン体」?
    – user1478
    Apr 16, 2016 at 9:27
  • @snailboat That looks very promising! Would 「ピプロシン体」 be an outdated but correct form of 「フィブロシン体」?
    – seijitsu
    Apr 16, 2016 at 9:54
  • 3
    I think it's more likely the original text contains an error of some kind. Compare the same passage quoted in this PDF from the same archive, where it says ピウロンシン. My guess is they're both either typos or misreadings or OCR errors or something like that, and they should both refer to fibrosin bodies.
    – user1478
    Apr 16, 2016 at 10:09
  • 1
    粉病菌科 should be today's ウドンコカビ科, that is Erysiphaceae in Latin. Apr 17, 2016 at 3:54

1 Answer 1


Atually, snailboat is correct.

After all searching of jargons or whatnot, I came across this thesis.

It says, I am sorr to say I can not translate the sentence since it is too techinical for me,

OR 菌は, 植物体の表面に分生子を連鎖上に形成します。従来のうどんこ病菌 とは分生子や発芽管の形状, フィブロシン体という器官を欠く点が異なります ( 図1)。

And this site also says,


I am afraid it is too far over my capability to translate this sentene due to the lack of my knowledge in this field of study.

But it looks like the above says some kind of a vacteria has some stuff so called フィブロシン体 which would probaly cause the Powdery mildew on plants.

Thank you.

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