Investigation Report on Soybean Root Rot in Sanjiang Plain Area

doi:10.11924/j.issn.1000-6850.casb15050150

Chinese Agricultural Science Bulletin ›› 2015, Vol. 31 ›› Issue (26): 113-116.doi: 10.11924/j.issn.1000-6850.casb15050150

Special Issue: 油料作物

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Investigation Report on Soybean Root Rot in Sanjiang Plain Area

Yang Xiaohe¹, Gu Xin¹, Zhao Haihong¹, Yao Liangliang¹, Liu Wei¹,Shen Hongbo², Zhang Yu², Liu Lijun³, Ding Junjie¹

(¹Jiamusi Branch of Heilongjiang Academy of Agricultural Sciences / Observation and Experiment Station of Crop Pests of Jiamusi, Ministry of Agriculture, Jiamusi Heilongjiang 154007;²Heilongjiang Agricultural College of Vocational Technology, Jiamusi Heilongjiang 154007;³Soybean Research Institution, Heilongjiang Academy of Agricultural Sciences, Harbin 150086)

Received:2015-05-26 Revised:2015-06-08 Accepted:2015-06-12 Online:2015-09-23 Published:2015-09-23

Abstract

Abstract: In order to confirm the severity of soybean root rot in Sanjiang Plain area, investigation of soybean root rot at the cities and farms belonging to Sanjiang Plain was carried out in 2014, incidence and disease index were calculated. Samples of soybean root rot were collected at the same time. After fungal isolation and culture, 10 species belonging to 3 genera connected with soybean root rot were identified. The predominant genus was Fusarium with isolation rate for 29.92%. The predominant species of Fusarium was F. oxysporum with isolation rate of 65.75%. Investigation results showed that incidence and disease index of soybean root rot were higher in block with high water content and continuous cropping.

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Investigation Report on Soybean Root Rot in Sanjiang Plain Area

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