胡萝卜茄病镰刀菌生物学特性及药剂敏感性研究

doi:10.12190/j.issn.2096-1197.2020.03.18

Abstract

Abstract: 【Objective】To understand the biological characteristics and fungicide sensitivity of Fusarium solani on carrot in Inner Mongolia.【Methods】The growth rate and spore production of Fusarium solani in carrot TPL-1,WQ1,WQ2,DM,TX31,TX3-1 were determined in this experiment.Culturing in different temperature,pH,carbon source,nitrogen source and fungicide conditions to measure the colony diameter.【Results】Under normal growth conditions,strain TX3-1 had the fastest growth rate and the least sporulation amount of strain TX31.All strains could grow at a temperature of 5-40 ℃ and a pH of 5-11.The optimum growth temperature and pH were 25-30 ℃ and 7.The suitable carbon sources were starch and maltose.The appropriate nitrogen sources were peptone,beef extract and potassium nitrate in turn.Fusarium solani was sensitive to the wettable powder of thiophanate-methyl.【Conclusion】These strains had a wide range of adaptability. It was conducive to their rapid growth and reproduction under warm and neutral ecological environment conditions,and the wettable powder of thiophanate-methyl could inhibit their growth.

Key words: Carrot, Fusarium solani, Biological characteristics, Fungicides sensitivity

CLC Number:

S436.31

HAN Fengying, GAO Jing, WANG Yong, MU Zongjie, KANG Liru, WANG Yong, ZHAO Jun, JIA Ruifang. Research on biological characteristics and fungicides sensitivity of Fusarium solani on carrot[J].Journal of Northern Agriculture, 2020, 48(3): 117-122.

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https://journal30.magtechjournal.com/bfnyxb/EN/Y2020/V48/I3/117

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Research on biological characteristics and fungicides sensitivity of Fusarium solani on carrot

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