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A STATISTICAL STUDY ON THE BIOLOGICAL FORMS 

 OF ERYSIPHE QRAMINIS DC. 



Yasu Homma 



^^^^nW-^liC^r^lt Z^ ^ V'-^^mt hXnR—m Erysiphe gmimms 

 DC. hh<r)h^\x.\^X.^ *^0^^fil%S LT^C, h \ ^co^K^{ . MdZ^ 

 ^fEt2)H-h:^M®^|t l^Üifl- 60 B|]t> Agropyron, Agrostis, Alopecurus, 

 Apera. Arrhenatherum, Avena, Bechniannia, Brachypodium, Bromus, Dactylis, 

 Deschampsia, Elymus, Festuca, Glyceria, Holciis, Hordeum, Lolium, Milium, 

 Panicim, Phleum, Poa, Sacchanim, Secale, Sesleria, Stipa, Triticum COIl~\'^ 



Marchai. S:(i902)n^^^ \' '^ ^'Mr-sJt^ x.mWM^^^O-tzz>^-m'X^-tm 



<^^WiW.^oi^ h o UP "tb I- Erysiphe graviinis {. sp. Tritici, 7, f. sp. Ilordi, 

 3. f. sp. Sicaits, 4. f. sp. Avcnac, 5. f. sp. /!;;«(-. 6. f. sp. Agropyri. 7, 



miKC)^^m%\.o\hhn^x.. -^mmm^x^^r.tkx. 1923^ m. n. levine 



^ii'W^Mf^m Pucan-a gmnmiis Pers. <ö^t^MX^ ^l&>§M&^i k U ^1ZZ> 

 ii-^M < > :^m Erysiphe graminis DC. (Cj^T %W}%^^Mh hZZ kM^U 

 IZZik'CX 6 -. :^^/\^^ {Triticum vulgare) lü^ {Hordeum sativum [naked bar- 

 ley]) ^ »' ^ y i7 ^ t' i7 (P(;;^ annua) ^JJ.\^7 > ^i?'^ {Elyuiiis mollis) HC^ 



[Transact. Sapporo Nat. Hist .Soc, X, Pt. 2, 1929] 



