Resistance of Soybean Germplasm to Phytophthora sojae Pm8(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2010年01期

Page:

77-79

Research Field:

Publishing date:

Info

Title:

Resistance of Soybean Germplasm to Phytophthora sojae Pm8

Author(s):

REN Long-hui¹; ZHANG Bao-qiang¹; WU Xiao-1ing¹; ZHAO Jin-ming¹; WANG Yuan-chao²; GAI Jun-yi¹; XING Han¹

1.Soybean Research Institute of Nanjing Agricultural University，National Center for Soybean Improvement，National Key Laboratory for Crop Genetics and Germplasm Enhancement；

2.Key Laboratory of Monitoring and Management of Plant Diseases and Insects，Ministry of Agriculture，Nanjing Agricultural University，Nanjing 210095，Jiangsu，China

Keywords:

Soybean; Phytophthora root rot; P．sojae; Disease resisitance

PACS:

S432.2+1

DOI:

10.11861/j.issn.1000-9841.2010.01.0077

Abstract:

Phytophthora root rot caused by Phytophthora sojae is a destructive disease for soybeans[Glycine max(L.)Merr.] throughout the soybean production regions．Utilization of resistant varieties is the most economical and environmentally safe method for controlling disease.Three hundred and fifty-five soybean cultivars or lines from different areas were evaluated for their responses to strain Pm8 of P.sojae using the hypocotyls inoculation technique to the etiolated seedlings．Of all cultivars or lines，96 were resistant and 106 were intermediate to Pm8.The resistant resources to Pm8 from Beijing and Zhejiang Provinces were rich，while Jilin，Sichuan Provinces were poor.The results of the study provided the useful information for breeding of resistant variteties and ecological control for Phytophthora root rot.

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