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doi:10.3969/j.issn.2096-1197.2019.01.14

Journal of Northern Agriculture ›› 2019, Vol. 47 ›› Issue (1): 80-84.doi: 10.3969/j.issn.2096-1197.2019.01.14

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Effects of different chemical soaking treatments on the control of potato late blight and yield

ZHOU Changyan[1];WANG Shanshan[2,3];ZHANG Xiangqian[4];LU Zhanyuan[4];ZHANG Dejian[5];CHENG Yuchen[4];FANG Jing[5];SHI Gongfu[5]

[1]Hailar Pastoral Workers Specialized Secondary Schools in Inner Mongolia,Yakeshi 022150,China;[2]HulunBuir Ecological Industry Technology Research Institute,Hailaer 021008,China;[3]HulunBuir Agricultural Reclamation Technology Development COLTD,Hailaer 021008,China;[4]Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences,Hohhot 010031,China;[5]Inner Mongolia University,Hohhot 010020,China

Received:2018-12-26 Online:2019-01-19 Published:2019-08-19

Abstract

Abstract: This study was conducted in order to clarify the effects of different chemical agents and dosages on potato tuber late blight control and commercial potato yield under soaking conditions of potato seed potatoes.In this experiment,Atlantic Ocean was used as the tested variety,and the extracts of Anke,Kelu and Metalaxyl Mn-Zn were used diluted at 350 times and 500 times of the two kinds of medicinal solutions to soak seeds,and comprehensive analysis of different types and dosages of potato stalk late blight was carried out.The effects of prevention and control on the yield of medium potato and large potato,total potato yield and storage morbidity were all significant.The results showed that the 50%Anke wettable powder was the best in treatment of late blight.With its use,the incidence rate was 5.49%,the control effect was increased by 20.32 compared with the control,the highest yield of tubers was 29.57 t/hm2,and the rate of rotten potatoes during storage was the lowest at 3.64%,which was 13.97 percentage points lower than the control.According to the comprehensive analysis,it is more suitable to use the 50%Anke wettable powder diluted by 350 times in the potato production process.

Key words: Potato;Type of medicament;Soaking treatment;Late blight;Control effect;Yield

CLC Number:

S513

ZHOU Changyan;WANG Shanshan;ZHANG Xiangqian;LU Zhanyuan;ZHANG Dejian;CHENG Yuchen;FANG Jing;SHI Gongfu(Hailar Pastoral Workers Specialized Secondary Schools in Inner Mongolia,Yakeshi 022150,China;HulunBuir Ecological Industry Technology Research Institute,Hailaer 021008,China;HulunBuir Agricultural Reclamation Technology Development COLTD,Hailaer 021008,China;Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences,Hohhot 010031,China;Inner Mongolia University,Hohhot 010020,China). Effects of different chemical soaking treatments on the control of potato late blight and yield[J].Journal of Northern Agriculture, 2019, 47(1): 80-84.

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https://journal30.magtechjournal.com/bfnyxb/EN/Y2019/V47/I1/80

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Effects of different chemical soaking treatments on the control of potato late blight and yield

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