Biological Characteristics of the Pathogen and Fungicides Screening in Laboratory for Schisandra chinensis Brown Leaf Spot Caused by Phoma glomerata(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2013年07期

Page:

142-145

Research Field:

Publishing date:

Info

Title:

Biological Characteristics of the Pathogen and Fungicides Screening in Laboratory for Schisandra chinensis Brown Leaf Spot Caused by Phoma glomerata

Author(s):

WANG Xue¹; WANG Jing²; GAO Jie¹; YANG Li-na¹

1.Jilin Agricultural University，Changchun，Jilin 130118；

2.Jilin Academy of Agricultural Sciences，Jilin，Jilin 132101

Keywords:

Schisandra chinensis; brown leaf spot; pathogen; biological characteristics

PACS:

S 567.1+9

DOI:

-

Abstract:

A new leaf disease on Schisandra chinensis (Turcz.) Baill were observed in commercial fields in the east mountain area of Jilin Province，China.Based on identification of pathogens，biological characteristics of the pathogen were studied.The results showed that the optimum medium was Potato dextrose agar (PDA)+Juice，the optimum carbon and nitrogen sources for colony growth and sporulation were galactose and (NH₄)₂SO₄，the optimum temperature and pH for colony growth and sporulation were 25℃ and 6.0 respectively.The conidial germination was better at pH 7.0 and full illumination or natural light，the conidial failed to germinate if relative humidity was less than 90%，and the lethal temperature for hypha and conidia were 46℃ and 38℃.

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