5Nakazawa Y, Uchida K. First record of cleistothecial stage of powdery mildew fungus on strawberry in Japan[J]. Annals of the Phytopathological Society of Japan, 1998,64(2) : 121-124.
6Liat A, Stanley F,Dalia R D, et al. Effect of climstic factors on powdery mildew caused by Sphaerotheca macularis fsp fragariae on strawberry[J]. European Journal of Plant Pathology, 2006,114(3) : 283- 292.
7Jhooty J S, Mckeen W E. The perfect stage of Sphaerotheca macularis on strawberry plants[J].Plant Disease Reporter, 1962,15 : 218- 219.
8Jhooty J S,Mckeen W E. Study on powdery mildew of strawberry caused by Sphaerotheca macularis [J]. Phytopathology, 1965,55 : 281- 285.
9Albert P. Fungal disease of strawberry[J]. Hortscience, 1990,25(8) :885-889.
10Okayama K,Nakano T, Matsutani S,et al. A simple and reliable method for evaluating the effectiveness of fungicides for control of powdery mildew (Sphaerotheca rnacularis) on strawberry[J].Annals of the Phytopathologieal Society of Japan, 1995, 61(6) :536-540.
6Fanourakis N E.Screening procedures for powdery mildew resistance in the cucumber.Acta Horticulturae,1990,287:147~154
7Cohen R.A leaf disk assay for detection of resistance of melons to Sphaerotheca fuliginea Race 1.Plant Disease,1993,77(5):513~517
8Okayama K,Nakano T,Matsutani S,et al.A simple and reliable method for evaluating the effectiveness of fungicides for control of powdery mildew(Sphaerotheca macularis)on strawberry.Ann.Phytopathol Soc.Jpn.,1995,61:(6) 536~540