Identification and Bio-control Technology Research to Putrefying Fungi of Grape in Eastern Helan Mountain of Ningxia(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Identification and Bio-control Technology Research to Putrefying Fungi of Grape in Eastern Helan Mountain of Ningxia

Author(s):: JIA Qian; GU Peiwen; QI Hexing; YUE Yanli; HE Shangcui; ZHANG Junxiang; (College of Agriculture，Ningxia University，Yinchuan，Ningxia 750021)

Abstract:: Taking diseased grape fruits as test materials，pathogenic bacteria were isolated and identified，the activity strains，which could highly inhibit pathogenic bacteria were also screened by using laboratory experiments.The results showed that pathogenic bacteria which caused rot disease of grape were Rhizopus stolonifera，Penicillium expansum，Botrygis cinerea Pers and Colletotnchum gloeosprioides；BM-trichoderma had high antibacterial activity on four putrefying fungi strains，moreover，the highest antibacterial rate was 79.78% and EC50 value was 1.38.BM-trichoderma and YWZKDS4 had broad-spectrum antibacterial activity，and the inhibition zone of YWZKDS4 against four putrefying fungi strains exceed to 9.86 mm.Field experiments showed that the control effects of BM-trichoderma,YWZKDS4 and positive control drug were 55.80%,61.27% and 68.76%，and there were significant differences with other agents.

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Last Update: 2015-11-19